Efawirenz: interakcje

CYP3A4 Inducers: Avoid concomitant strong CYP3A4 inducers during YONSA treatment. (etykieta leku Abirateron, Interakcje z innymi lekami)

Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogs alone or in combination with other antiretrovirals [See Warnings and Precautions (5. (etykieta leku Adefowir, Ostrzeżenie w ramce)

• CYP3A Inhibitors: Avoid co-administration with strong CYP3A inhibitors. (etykieta leku Akalabrutynib, Interakcje z innymi lekami)

Moderate CYP3A4/5 inducers (e.g., bosentan, efavirenz, etravirine, modafinil, and nafcillin) may also reduce the plasma exposure of axitinib and should be avoided if possible. (etykieta leku Aksytynib, Interakcje z innymi lekami)

…(Childs-Pugh categories B and C), since alfuzosin blood levels are increased in these patients [see Use in Specific Populations (8.7) and Clinical Pharmacology (12.3) ]. with potent CYP3A4 inhibitors such as ketoconazole, itraconazole, and ritonavir, since alfuzosin blood levels are increased [see Drug Interactions (7.1) and Clinical Pharmacology (12.3) ] . in… (etykieta leku Alfuzosyna, Przeciwwskazania)

Concomitant use of almotriptan tablets and potent CYP3A4 inhibitors should be avoided in patients with renal or hepatic impairment [see Clinical Pharmacology ( 12.3 )] . (etykieta leku Almotryptan, Interakcje z innymi lekami)

CYP3A4 Inducers : Avoid coadministration of VIJOICE with a strong CYP3A4 inducer. (etykieta leku Alpelisyb, Interakcje z innymi lekami)

• taking strong cytochrome P450 3A (CYP3A) inhibitors (e.g., ketoconazole, itraconazole), except ritonavir [see Dosage and Administration (2.5) , Warnings and Precautions (5.5) , Drug Interactions (7.1) ] . (etykieta leku Alprazolam, Przeciwwskazania)

…Voxilaprevir ↓ velpatasvir ↓ voxilaprevir Coadministration of efavirenz and sofosbuvir/velpatasvir/voxilaprevir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir/voxilaprevir Other agents Anticoagulant:Warfarin ↑ or ↓ warfarin Monitor international normalised ratio (INR) and adjust warfarin dosage if necessary. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Drug Interactions : Use with strong cytochrome P450 enzyme inducers (e.g., rifampin, phenobarbital, carbamazepine, phenytoin) is not recommended because loss of efficacy may occur ( 5.5 , 7.1 ) (etykieta leku Apremilast, Ostrzeżenia i środki ostrożności)

…Voxilaprevir ↓ velpatasvir ↓ voxilaprevir Coadministration of efavirenz and sofosbuvir/velpatasvir/voxilaprevir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir/voxilaprevir Other agents Anticoagulant:Warfarin ↑ or ↓ warfarin Monitor international normalised ratio (INR) and adjust warfarin dosage if necessary. (etykieta leku Efawirenz, Interakcje z innymi lekami)

CYP3A4 Inducers : Avoid concomitant use for greater than 14 days ( 7.1 ) (etykieta leku Arypiprazol, Interakcje z innymi lekami)

Treatment-experienced patients: Coadministration of efavirenz and atazanavir is not recommended. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Do not use avanafil in patients taking strong CYP3A4 inhibitors [see Warnings and Precautions ( 5.2 ) and Dosage and Administration ( 2.3 )]. (etykieta leku Awanafil, Interakcje z innymi lekami)

Not recommended with ATRIPLA, which contains efavirenz, emtricitabine, and tenofovir disoproxil fumarate, unless needed for dose adjustment when coadministered with rifampin. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

…Voxilaprevir ↓ velpatasvir ↓ voxilaprevir Coadministration of efavirenz and sofosbuvir/velpatasvir/voxilaprevir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir/voxilaprevir Other agents Anticoagulant:Warfarin ↑ or ↓ warfarin Monitor international normalised ratio (INR) and adjust warfarin dosage if necessary. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Strong CYP3A4 Inducers: Avoid concomitant use. (etykieta leku Bortezomib, Interakcje z innymi lekami)

Co-administration of such combinations of a CYP2C9 inhibitor plus a strong or moderate CYP3A inhibitor with TRACLEER is not recommended. (etykieta leku Bosentan, Interakcje z innymi lekami)

• Strong and Moderate CYP3A Inhibitors: Avoid concomitant use with BOSULIF. (etykieta leku Bosutynib, Interakcje z innymi lekami)

Concomitant use of strong CYP3A4 inhibitors (e.g., azole antimycotics, HIV protease inhibitors) with CYCLOSET should be avoided. (etykieta leku Bromokryptyna, Interakcje z innymi lekami)

Evaluate patients starting CYP3A4 inhibitors or stopping CYP3A4 inducers at frequent intervals for respiratory depression. (etykieta leku Buprenorfina, Interakcje z innymi lekami)

The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (etykieta leku Butalbital + kwas acetylosalicylowy + kofeina + kodeina, Ostrzeżenie w ramce)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (etykieta leku Butalbital + paracetamol + kofeina + kodeina, Ostrzeżenie w ramce)

Avoid use of Citalopram Capsules in CYP2C19 poor metabolizers, patients receiving concomitant cimetidine or another CYP2C19 inhibitor, patients with hepatic impairment, and patients who are greater than 60 years of age, because Citalopram Capsules are only available in a 30 mg dose strength and dosage adjustments are not possible [see Drug Interactions ( 7 ),… (etykieta leku Cytalopram, Ostrzeżenia i środki ostrożności)

…Voxilaprevir ↓ velpatasvir ↓ voxilaprevir Coadministration of efavirenz and sofosbuvir/velpatasvir/voxilaprevir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir/voxilaprevir Other agents Anticoagulant:Warfarin ↑ or ↓ warfarin Monitor international normalised ratio (INR) and adjust warfarin dosage if necessary. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Strong CYP3A4 inhibitors: Avoid concomitant use. (etykieta leku Daridoreksant, Interakcje z innymi lekami)

Protease inhibitor: Lopinavir/ritonavir ↓ lopinavir * Lopinavir/ritonavir once daily dosing is not recommended when coadministered with efavirenz. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Protease inhibitor: Lopinavir/ritonavir ↓ lopinavir * Lopinavir/ritonavir once daily dosing is not recommended when coadministered with efavirenz. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Avoid concomitant use of strong CYP3A4 inhibitors. (etykieta leku Dazatynib, Interakcje z innymi lekami)

Avoid use of moderate or strong CYP3A4 inducers with EMFLAZA, as they may reduce efficacy ( 7.1 ) (etykieta leku Deflazakort, Interakcje z innymi lekami)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (etykieta leku Deksametazon, Interakcje z innymi lekami)

QT Prolongation: Monitor ECG if concomitant use of drugs that prolong QT interval cannot be avoided or if concomitant CYP3A4 inhibitors used. (etykieta leku Dekstrometorfan + chinidyna, Ostrzeżenia i środki ostrożności)

WARNING: PERIPHERAL ISCHEMIA FOLLOWING COADMINISTRATION WITH POTENT CYP3A4 INHIBITORS Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of dihydroergotamine with potent CYP3A4 inhibitors including protease inhibitors and macrolide antibiotics. (etykieta leku Dihydroergotamina, Ostrzeżenie w ramce)

Concomitant use of Docetaxel Injection and drugs that inhibit CYP3A4 may increase exposure to docetaxel and should be avoided. (etykieta leku Docetaksel, Interakcje z innymi lekami)

• Avoid concomitant use of doxorubicin hydrochloride with inhibitors and inducers of CYP3A4, CYP2D6, and/or P-gp ( 7.1 ) (etykieta leku Doksorubicyna, Interakcje z innymi lekami)

HIV Antiviral Agents efavirenz etravirine nevirapine ↓ doravirine Use with efavirenz, etravirine, or nevirapine is not recommended. (etykieta leku Dorawiryna, Interakcje z innymi lekami)

• CYP3A inducers: Avoid concomitant use. (etykieta leku Dronedaron, Interakcje z innymi lekami)

Drug-Drug Interactions Strong Inhibitors of Cytochrome P450 (CYP) 3A4 Tamsulosin-containing products, including JALYN, should not be coadministered with strong CYP3A4 inhibitors (e.g., ketoconazole) as this can significantly increase tamsulosin exposure [see Drug Interactions (7.1) , Clinical Pharmacology (12.3) ]. (etykieta leku Dutasteryd + tamsulosyna, Ostrzeżenia i środki ostrożności)

Dziurawiec może obniżać stężenie niektórych leków przeciw HIV we krwi na tyle, że leczenie staje się nieskuteczne. (NCCIH, St. John's Wort)

…Voxilaprevir ↓ velpatasvir ↓ voxilaprevir Coadministration of efavirenz and sofosbuvir/velpatasvir/voxilaprevir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir/voxilaprevir Other agents Anticoagulant:Warfarin ↑ or ↓ warfarin Monitor international normalised ratio (INR) and adjust warfarin dosage if necessary. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Lactic Acidosis and Severe Hepatomegaly with Steatosis Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogs and other antiretrovirals. (etykieta leku Efawirenz + lamiwudyna + tenofowir, Ostrzeżenia i środki ostrożności)

Therefore, concomitant use with strong CYP3A inducers is not recommended [see Drug Interactions (7.1) and Clinical Pharmacology (12.3) ] . (etykieta leku Eleksakaftor + tezakaftor + iwakaftor, Ostrzeżenia i środki ostrożności)

• Recent use (i.e., within at least 72 hours) of the following potent CYP3A4 inhibitors: ketoconazole, itraconazole, nefazodone, troleandomycin, clarithromycin, ritonavir, or nelfinavir [see Drug Interactions (7.2) and Clinical Pharmacology (12.3) ]. (etykieta leku Eletryptan, Przeciwwskazania)

Not recommended with ATRIPLA, which contains efavirenz, emtricitabine, and tenofovir disoproxil fumarate, unless needed for dose adjustment when coadministered with rifampin. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Not recommended with ATRIPLA, which contains efavirenz, emtricitabine, and tenofovir disoproxil fumarate, unless needed for dose adjustment when coadministered with rifampin. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Not recommended with ATRIPLA, which contains efavirenz, emtricitabine, and tenofovir disoproxil fumarate, unless needed for dose adjustment when coadministered with rifampin. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Not recommended with ATRIPLA, which contains efavirenz, emtricitabine, and tenofovir disoproxil fumarate, unless needed for dose adjustment when coadministered with rifampin. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

…Voxilaprevir ↓ velpatasvir ↓ voxilaprevir Coadministration of efavirenz and sofosbuvir/velpatasvir/voxilaprevir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir/voxilaprevir Other agents Anticoagulant:Warfarin ↑ or ↓ warfarin Monitor international normalised ratio (INR) and adjust warfarin dosage if necessary. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Therapy with BARACLUDE is not recommended for HIV/HBV co-infected patients who are not also receiving highly active antiretroviral therapy (HAART) [see Warnings and Precautions (5.2) ] . (etykieta leku Entekawir, Ostrzeżenie w ramce)

…Patients Eplerenone is contraindicated in all patients with: • serum potassium > 5.5 mEq/L at initiation, • creatinine clearance ≤ 30 mL/min, or • concomitant administration of strong CYP3A inhibitors (e.g., ketoconazole, itraconazole, nefazodone, troleandomycin, clarithromycin, ritonavir, and nelfinavir) [see Drug Interactions (7.1) , Clinical Pharmacology (12.3)… (etykieta leku Eplerenon, Przeciwwskazania)

WARNING Serious and/or life-threatening peripheral ischemia has been associated with the coadministration of ergotamine tartrate and caffeine tablets with potent CYP 3A4 inhibitors including protease inhibitors and macrolide antibiotics. (etykieta leku Ergotamina + kofeina, Ostrzeżenie w ramce)

Avoid co-administering erlotinib with strong CYP3A4 inhibitors (e.g., boceprevir, clarithromycin, conivaptan, indinavir, itraconazole, ketoconazole, lopinavir/ritonavir, nefazodone, nelfinavir, posaconazole, ritonavir, saquinavir, telithromycin, voriconazole, grapefruit or grapefruit juice) or a combined CYP3A4 and CYP1A2 inhibitor (e.g., ciprofloxacin). (etykieta leku Erlotynib, Interakcje z innymi lekami)

Consequently, estazolam should be avoided in patients receiving ketoconazole and itraconazole, which are very potent inhibitors of CYP3A (see CONTRAINDICATIONS ). (etykieta leku Estazolam, Ostrzeżenia)

VYTORIN is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (etykieta leku Ezetymib + symwastatyna, Przeciwwskazania)

• Concomitant use with CYP3A4 inhibitors (or discontinuation of CYP3A4 inducers) can result in a fatal overdose of fentanyl. (etykieta leku Fentanyl, Ostrzeżenie w ramce)

CYP3A4 Inhibitors Doses of Toviaz greater than 4 mg are not recommended in adult patients taking strong CYP3A4 inhibitors, such as ketoconazole, itraconazole, and clarithromycin [see Dosage and Administration (2.5) ]. (etykieta leku Fezoterodyna, Interakcje z innymi lekami)

Contraindicated with Strong or Moderate CYP3A4 Inhibitors The concomitant use of ADDYI and moderate or strong CYP3A4 inhibitors increases flibanserin concentrations, which can cause severe hypotension and syncope [see Warnings and Precautions (5.2) ] . (etykieta leku Flibanseryna, Ostrzeżenie w ramce)

Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): Use not recommended. (etykieta leku Flutykazon, Interakcje z innymi lekami)

Avoid strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): May increase risk of systemic corticosteroid and cardiovascular effects. (etykieta leku Flutykazon + salmeterol, Interakcje z innymi lekami)

…Voxilaprevir ↓ velpatasvir ↓ voxilaprevir Coadministration of efavirenz and sofosbuvir/velpatasvir/voxilaprevir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir/voxilaprevir Other agents Anticoagulant:Warfarin ↑ or ↓ warfarin Monitor international normalised ratio (INR) and adjust warfarin dosage if necessary. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Protease inhibitor: Lopinavir/ritonavir ↓ lopinavir * Lopinavir/ritonavir once daily dosing is not recommended when coadministered with efavirenz. (etykieta leku Efawirenz, Interakcje z innymi lekami)

…Voxilaprevir ↓ velpatasvir ↓ voxilaprevir Coadministration of efavirenz and sofosbuvir/velpatasvir/voxilaprevir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir/voxilaprevir Other agents Anticoagulant:Warfarin ↑ or ↓ warfarin Monitor international normalised ratio (INR) and adjust warfarin dosage if necessary. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Cytochrome P450 3A4 Interaction The concomitant use of HYSINGLA ER with all cytochrome P450 3A4 inhibitors may result in an increase in hydrocodone plasma concentrations, which could increase or prolong adverse reactions and may cause potentially fatal respiratory depression. (etykieta leku Hydrokodon, Ostrzeżenie w ramce)

Cytochrome P450 3A4 Interaction The concomitant use of Hydrocodone Polistirex and Chlorpheniramine Polistirex with all cytochrome P450 3A4 inhibitors may result in an increase in hydrocodone plasma concentrations, which could increase or prolong adverse drug effects and may cause potentially fatal respiratory depression. (etykieta leku Hydrokodon + chlorfenamina, Ostrzeżenie w ramce)

Cytochrome P450 3A4 Interaction The concomitant use of hydrocodone bitartrate and homatropine methylbromide with all cytochrome P450 3A4 inhibitors may result in an increase in hydrocodone plasma concentrations, which could increase or prolong adverse drug effects and may cause potentially fatal respiratory depression. (etykieta leku Hydrokodon + homatropina, Ostrzeżenie w ramce)

Cytochrome P450 3A4 Interaction The concomitant use of Hydrocodone Bitartrate and Ibuprofen Tablets with all cytochrome P450 3A4 inhibitors may result in an increase in hydrocodone plasma concentrations, which may cause potentially fatal respiratory depression. (etykieta leku Hydrokodon + ibuprofen, Ostrzeżenie w ramce)

Cytochrome P450 3A4 Interaction The concomitant use of hydrocodone bitartrate and acetaminophen tablets with all Cytochrome P450 3A4 inhibitors may result in an increase in hydrocodone plasma concentrations, which could increase or prolong adverse reactions and may cause potentially fatal respiratory depression. (etykieta leku Hydrokodon + paracetamol, Ostrzeżenie w ramce)

Increased Toxicity with Concomitant Use of Antiretroviral Drugs Pancreatitis Pancreatitis (including fatal cases) have occurred in patients with HIV infection during therapy with hydroxyurea and didanosine, with or without stavudine. (etykieta leku Hydroksykarbamid (hydroksymocznik), Interakcje z innymi lekami)

• Strong CYP3A4 Inducers: Do not administer strong CYP3A4 inducers with CAMPTOSAR. (etykieta leku Irynotekan, Interakcje z innymi lekami)

Antifungals: Voriconazole Itraconazole Ketoconazole Posaconazole ↓ voriconazole * ↑ efavirenz * ↓ itraconazole * ↓ hydroxyitraconazole * ↓ ketoconazole ↓ posaconazole * Efavirenz and voriconazole should not be coadministered at standard doses. (etykieta leku Efawirenz, Interakcje z innymi lekami)

…bradycardia [see Warnings and Precautions ( 5.3 )] • Severe hepatic impairment [see Use in Specific Populations ( 8.6 )] • Pacemaker dependence (heart rate maintained exclusively by the pacemaker) [see Drug Interactions ( 7.3 )] • Concomitant use of strong cytochrome P450 3A4 (CYP3A4) inhibitors [see Drug Interactions ( 7.1 )] Acute decompensated heart failure ( 4 ) (etykieta leku Iwabradyna, Przeciwwskazania)

Coadministration with other antiretroviral medications for PrEP is not recommended. (etykieta leku Kabotegrawir, Interakcje z innymi lekami)

Avoid taking a strong CYP3A4 inhibitor (e.g., ketoconazole, itraconazole, clarithromycin, atazanavir, indinavir, nefazodone, nelfinavir, ritonavir, saquinavir, telithromycin, voriconazole) while taking COMETRIQ or reduce the dosage of COMETRIQ if concomitant use with strong CYP3A4 inhibitors cannot be avoided [see Dosage and Administration ( 2.2 ), Clinical Pharmacology… (etykieta leku Kabozantynib, Interakcje z innymi lekami)

Intervention: Concomitant use of VRAYLAR with a CYP3A4 inducer is not recommended [see Dosage and Administration ( 2.1 , 2.6 ) ] . (etykieta leku Kariprazyna, Interakcje z innymi lekami)

Antifungals: Voriconazole Itraconazole Ketoconazole Posaconazole ↓ voriconazole * ↑ efavirenz * ↓ itraconazole * ↓ hydroxyitraconazole * ↓ ketoconazole ↓ posaconazole * Efavirenz and voriconazole should not be coadministered at standard doses. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Antiviral and antiretroviral drugs: Avoid concomitant use. (etykieta leku Kladrybina, Interakcje z innymi lekami)

CYP2C19 inhibitors: Avoid concomitant use of omeprazole or esomeprazole. (etykieta leku Klopidogrel, Ostrzeżenia i środki ostrożności)

• Concomitant use of Strong CYP3A4 Inducers is not recommended. (etykieta leku Klozapina, Interakcje z innymi lekami)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (etykieta leku Kodeina, Ostrzeżenie w ramce)

Patients with renal or hepatic impairment should not be given colchicine capsules with drugs that inhibit both P-glycoprotein and CYP3A4 inhibitors [see Drug Interactions (7) ] . (etykieta leku Kolchicyna, Przeciwwskazania)

Avoid strong CYP3A4 inhibitors. (etykieta leku Lapatynib, Interakcje z innymi lekami)

Strong CYP3A4 Inhibitors: Avoid coadministration of strong CYP3A4 inhibitors with VITRAKVI. (etykieta leku Larotrektynib, Interakcje z innymi lekami)

Velpatasvir/ Sofosbuvir ↓ velpatasvir Coadministration of efavirenz and sofosbuvir/velpatasvir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Strong or moderate CYP3A inhibitors: Avoid concomitant use. (etykieta leku Lemboreksant, Interakcje z innymi lekami)

…Agents: atazanavir/cobicistat Drug-drug interaction study was conducted. atazanavir/ritonavir ↑ lenacapavir (atazanavir/cobicistat, atazanavir/ritonavir) Concomitant administration of efavirenz, nevirapine, or tipranavir/ritonavir may result in loss of therapeutic effect and development of resistance. efavirenz nevirapine tipranavir/ritonavir ↓ lenacapavir (efavirenz,… (etykieta leku Lenakapawir, Interakcje z innymi lekami)

Concomitant administration of JUXTAPID with moderate or strong CYP3A4 inhibitors, as this can increase JUXTAPID exposure [see Warnings and Precautions (5.6) , Drug Interactions (7.1) , and Clinical Pharmacology (12.3) ]. (etykieta leku Lomitapid, Przeciwwskazania)

Protease inhibitor: Lopinavir/ritonavir ↓ lopinavir * Lopinavir/ritonavir once daily dosing is not recommended when coadministered with efavirenz. (etykieta leku Efawirenz, Interakcje z innymi lekami)

• Strong CYP3A Inhibitors : Avoid concomitant use; reduce LORBRENA dose if concomitant use cannot be avoided. (etykieta leku Lorlatynib, Interakcje z innymi lekami)

Concomitant administration with strong CYP3A4 inhibitors (e.g., itraconazole, ketoconazole, posaconazole, voriconazole, HIV protease inhibitors, boceprevir, telaprevir, erythromycin, clarithromycin, telithromycin, nefazodone and cobicistat-containing products) (see WARNINGS , Myopathy/Rhabdomyolysis ). (etykieta leku Lowastatyna, Przeciwwskazania)

CYP3A4 inducers: Avoid concomitant use with CAPLYTA. (etykieta leku Lumateperon, Interakcje z innymi lekami)

Strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin, ritonavir, voriconazole, mibefradil, etc.) [see Drug Interactions ( 7.1 )]. (etykieta leku Lurazydon, Przeciwwskazania)

Strong CYP3A4 inducers (rifampin) reduce exposure to macitentan: avoid co-administration with OPSUMIT ( 7.1 , 12.3 ). (etykieta leku Macytentan, Interakcje z innymi lekami)

SELZENTRY is contraindicated in patients with severe renal impairment or ESRD (creatinine clearance [CrCl] less than 30 mL per minute) who are concomitantly taking potent CYP3A inhibitors or inducers [see Warnings and Precautions ( 5.3 )]. (etykieta leku Marawirok, Przeciwwskazania)

Although there have been no reports of such interactions with methylergonovine alone, strong and moderate CYP 3A4 inhibitors should not be co-administered with methylergonovine. (etykieta leku Metyloergometryna, Interakcje z innymi lekami)

CYP3A inducers: Do not use mifepristone with CYP3A inducers ( 7.3 ). (etykieta leku Mifepryston, Interakcje z innymi lekami)

Strong CYP3A Inhibitors and Inducers: Avoid concomitant use. (etykieta leku Mitapiwat, Interakcje z innymi lekami)

John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (etykieta leku Naldemedyna, Interakcje z innymi lekami)

Patients concomitantly using strong CYP3A4 inhibitors (e.g., clarithromycin, ketoconazole) because these medications can significantly increase exposure to naloxegol which may precipitate opioid withdrawal symptoms such as hyperhidrosis, chills, diarrhea, abdominal pain, anxiety, irritability, and yawning [see Drug Interactions (7.1) and Clinical Pharmacology… (etykieta leku Naloksegol, Przeciwwskazania)

CYP2B6 Inducers (e.g., ritonavir, lopinavir, efavirenz, carbamazepine, phenobarbital, and phenytoin) may reduce efficacy by reducing bupropion exposure, avoid concomitant use. (etykieta leku Naltrekson + bupropion, Interakcje z innymi lekami)

Co-administration of nevirapine and efavirenz is not recommended as this combination has been associated with an increase in adverse reactions and no improvement in efficacy. (etykieta leku Newirapina, Ostrzeżenia i środki ostrożności)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (etykieta leku Nifedypina, Interakcje z innymi lekami)

Avoid use of concomitant drugs known to prolong the QT interval and strong CYP3A4 inhibitors [see Drug Interactions ( 7.1 , 7.2 )] . (etykieta leku Nilotynib, Ostrzeżenie w ramce)

Therefore, the concomitant administration of NYMALIZE and strong CYP3A4 inhibitors should generally be avoided [ see Warnings and Precautions (5.3) ]. (etykieta leku Nimodypina, Interakcje z innymi lekami)

Protease inhibitor: Lopinavir/ritonavir ↓ lopinavir * Lopinavir/ritonavir once daily dosing is not recommended when coadministered with efavirenz. (etykieta leku Efawirenz, Interakcje z innymi lekami)

CYP3A4 inhibitors and inducers : SULAR is substrate of CYP3A4 and coadministration of SULAR with any known inducer or inhibitor of CYP3A4 should be avoided in general. (etykieta leku Nizoldypina, Interakcje z innymi lekami)

Counsel patients to use a back-up method or alternative method of contraception when enzyme inducers are used with COCs ( 7.1 ) -- - ---------- ------ USE IN SPECIFIC POPULATIONS---- -- -- --------- ---- Lactation: Not recommended; Lo Loestrin Fe can decrease milk production ( 8.2 ) (etykieta leku Noretysteron + etynyloestradiol, Interakcje z innymi lekami)

Cytochrome P450 3A4 Interaction The concomitant use of Oxycodone Hydrochloride Oral Solution with all cytochrome P450 3A4 inhibitors may result in an increase in oxycodone plasma concentrations, which could increase or prolong adverse reactions and may cause potentially fatal respiratory depression. (etykieta leku Oksykodon, Ostrzeżenie w ramce)

Cytochrome P450 3A4 Interaction The concomitant use of oxycodone hydrochloride tablets with all cytochrome P450 3A4 inhibitors may result in an increase in oxycodone plasma concentrations, which could increase or prolong adverse reactions and may cause potentially fatal respiratory depression. (etykieta leku Oksykodon + paracetamol, Ostrzeżenie w ramce)

If a CYP3A4 inducer is discontinued, consider OLINVYK dosage reduction and monitor for signs of respiratory depression. (etykieta leku Olicerydyna, Interakcje z innymi lekami)

• CYP3A Inducers: Avoid concurrent use of IBRANCE with strong CYP3A inducers. (etykieta leku Palbocyklib, Interakcje z innymi lekami)

Strong CYP3A4 and P-glycoprotein (P-gp) inducers : Avoid using a strong inducer of CYP3A4 and/or P-gp during a dosing interval for ERZOFRI. (etykieta leku Paliperydon, Interakcje z innymi lekami)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (etykieta leku Paracetamol + kodeina, Ostrzeżenie w ramce)

Strong CYP3A4 Inhibitors : Avoid coadministration of VOTRIENT with strong CYP3A4 inhibitors. (etykieta leku Pazopanib, Interakcje z innymi lekami)

Cytochrome P450 3A4 Interaction The concomitant use of DEMEROL Injection with all cytochrome P450 3A4 inhibitors may result in an increase in meperidine plasma concentrations, which could increase or prolong adverse reactions and may cause potentially fatal respiratory depression. (etykieta leku Petydyna, Ostrzeżenie w ramce)

Strong or Moderate CYP3A4 Inducers: Avoid concomitant use of NUPLAZID. (etykieta leku Pimawanseryna, Interakcje z innymi lekami)

Antifungals: Voriconazole Itraconazole Ketoconazole Posaconazole ↓ voriconazole * ↑ efavirenz * ↓ itraconazole * ↓ hydroxyitraconazole * ↓ ketoconazole ↓ posaconazole * Efavirenz and voriconazole should not be coadministered at standard doses. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Anthelmintic: Praziquantel ↓ praziquantel Coadministration with efavirenz is not recommended due to significant decrease in plasma concentrations of praziquantel, with risk of treatment failure due to increased hepatic metabolism by efavirenz. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex, requiring careful consideration of the effects on the parent drug, codeine, and the active metabolite, morphine. (etykieta leku Prometazyna + kodeina, Ostrzeżenie w ramce)

• Avoid simultaneous use of propafenone with both a cytochrome P450 2D6 (CYP2D6) inhibitor and a 3A4 inhibitor (CYP3A4). (etykieta leku Propafenon, Ostrzeżenia i środki ostrożności)

ASPRUZYO Sprinkle is contraindicated in patients: Taking strong inhibitors of CYP3A [see Drug Interactions (7.1)] Taking inducers of CYP3A [see Drug Interactions (7.1)] With liver cirrhosis [see Use in Specific Populations (8.6)] Strong CYP3A inhibitors (e.g., ketoconazole, clarithromycin, nelfinavir) (4, 7.1) (etykieta leku Ranolazyna, Przeciwwskazania)

• Drug Interactions: Use with strong cytochrome P450 enzyme inducers (e.g., rifampicin, phenobarbital, carbamazepine, phenytoin) is not recommended. (etykieta leku Roflumilast, Ostrzeżenia i środki ostrożności)

Intervention: Avoid the use of VARUBI in patients who require chronic administration of strong CYP3A4 inducers. (etykieta leku Rolapitant, Interakcje z innymi lekami)

• Avoid use with rifampin and strong CYP3A4 inducers ( 7.3 ). (etykieta leku Romidepsyna, Interakcje z innymi lekami)

Therefore, co-administration with antiretroviral and anti-HCV drugs metabolized by CYP3A is not recommended or there may be a need to increase the dose of antiretroviral or anti-HCV drugs (see PRECAUTIONS-Drug Interactions ). (etykieta leku Ryfabutyna, Ostrzeżenia)

Not recommended with ATRIPLA, which contains efavirenz, emtricitabine, and tenofovir disoproxil fumarate, unless needed for dose adjustment when coadministered with rifampin. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

• Strong CYP3A4 Inhibitors: Avoid concomitant administration. (etykieta leku Rymegepant, Interakcje z innymi lekami)

• Certain CYP3A inducers: Coadministration with strong inducers of CYP3A is not recommended. (etykieta leku Rytlecytynib, Interakcje z innymi lekami)

Protease inhibitor: Lopinavir/ritonavir ↓ lopinavir * Lopinavir/ritonavir once daily dosing is not recommended when coadministered with efavirenz. (etykieta leku Efawirenz, Interakcje z innymi lekami)

…Voxilaprevir ↓ velpatasvir ↓ voxilaprevir Coadministration of efavirenz and sofosbuvir/velpatasvir/voxilaprevir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir/voxilaprevir Other agents Anticoagulant:Warfarin ↑ or ↓ warfarin Monitor international normalised ratio (INR) and adjust warfarin dosage if necessary. (etykieta leku Efawirenz, Interakcje z innymi lekami)

• Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): Use not recommended. (etykieta leku Salmeterol, Interakcje z innymi lekami)

Velpatasvir/ Sofosbuvir ↓ velpatasvir Coadministration of efavirenz and sofosbuvir/velpatasvir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir. (etykieta leku Efawirenz, Interakcje z innymi lekami)

The dosage of Solifenacin succinate tablets greater than 5 mg once daily is not recommended when concomitantly used with strong CYP3A4 inhibitors [see Dosage and Administration ( 2.4 )] . (etykieta leku Solifenacyna, Interakcje z innymi lekami)

• Strong CYP3A Inducers: Avoid strong CYP3A4 inducers. (etykieta leku Sorafenib, Interakcje z innymi lekami)

Concomitant use of JOURNAVX with strong CYP3A inhibitors is contraindicated [see Warnings and Precautions (5.1) , Drug Interactions (7.1) ] . (etykieta leku Suzetrygina, Przeciwwskazania)

Severe renal impairment (CCr < 30 mL/min) Severe hepatic impairment (Child-Pugh score ≥ 10) Concomitant administration with strong Cytochrome P450 3A4 (CYP3A4) inhibitors (e.g., ketoconazole, clarithromycin, itraconazole, ritonavir) [see DRUG INTERACTIONS (7.1) ] Patients with a history of hypersensitivity to silodosin or any of the ingredients in silodosin capsules… (etykieta leku Sylodosyna, Przeciwwskazania)

ZOCOR is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (etykieta leku Symwastatyna, Przeciwwskazania)

Interaction with Strong Inhibitors and Inducers of CYP3A4 and/or P-gp Avoid concomitant use of sirolimus with strong inhibitors of CYP3A4 and/or P-gp (such as ketoconazole, voriconazole, itraconazole, erythromycin, telithromycin, or clarithromycin) or strong inducers of CYP3A4 and/or P-gp (such as rifampin or rifabutin) [ see Drug Interactions (7.2) ]. (etykieta leku Syrolimus, Ostrzeżenia i środki ostrożności)

Inducers of CYP3A4 Strong CYP3A4 inducers should not be used with tamoxifen. (etykieta leku Tamoksyfen, Interakcje z innymi lekami)

• Should not be used in combination with strong inhibitors of CYP3A4. (etykieta leku Tamsulosyna, Ostrzeżenia i środki ostrożności)

Strong CYP3A4 inducers (e.g., rifampin): Avoid use of HETLIOZ in combination with rifampin or other CYP3A4 inducers, because of decreased exposure ( 7.2 , 12.3 ) (etykieta leku Tasimelteon, Interakcje z innymi lekami)

Not recommended with ATRIPLA, which contains efavirenz, emtricitabine, and tenofovir disoproxil fumarate, unless needed for dose adjustment when coadministered with rifampin. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

• Avoid use with strong CYP3A inhibitors or CYP3A inducers. (etykieta leku Tikagrelor, Interakcje z innymi lekami)

Avoid co-administration of strong CYP3A4 inhibitors (e.g., itraconazole, clarithromycin, ritonavir) and strong CYP3A4 inducers (e.g., rifampin, phenytoin) with TEPADINA due to the potential effects on efficacy and toxicity [see Clinical Pharmacology ( 12.3 ) ] . (etykieta leku Tiotepa, Interakcje z innymi lekami)

…dominant polycystic kidney disease (ADPKD) outside of FDA-approved REMS [see Warnings and Precautions (5.2) ] Unable to sense or respond to thirst Hypovolemic hyponatremia Taking strong CYP3A inhibitors [see Warnings and Precautions (5.5) ] Anuria Hypersensitivity (e.g., anaphylactic shock, rash generalized) to tolvaptan or any components of the product [see Adverse… (etykieta leku Tolwaptan, Przeciwwskazania)

Drugs known to prolong the QT interval and strong CYP3A4 inhibitors should be avoided [see Warnings and Precautions (5.1) ] . (etykieta leku Toremifen, Ostrzeżenie w ramce)

CYP3A inhibitors: Avoid concomitant strong CYP3A inhibitors ( 7.1 ) (etykieta leku Trabektedyna, Interakcje z innymi lekami)

The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with tramadol are complex. (etykieta leku Tramadol, Ostrzeżenie w ramce)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with tramadol are complex. (etykieta leku Tramadol + paracetamol, Ostrzeżenie w ramce)

The use of RALDESY Should be avoided in patients with known QT prolongation or in combination with other drugs that are inhibitors of CYP3A4 (e.g., itraconazole, clarithromycin, voriconazole), or known to prolong QT interval including Class 1A antiarrhythmics (e.g., quinidine, procainamide) or Class 3 antiarrhythmics (e.g., amiodarone, sotalol), certain antipsychotic… (etykieta leku Trazodon, Ostrzeżenia i środki ostrożności)

• Strong CYP3A Inhibitors and Inducers: Avoid coadministration with strong CYP3A inhibitors and inducers. (etykieta leku Tretynoina, Interakcje z innymi lekami)

Strong CYP 3A Inhibitors Triazolam is contraindicated in patients receiving strong inhibitors of CYP 3A such as ketoconazole, itraconazole, nefazodone, ritonavir, indinavir, nelfinavir, saquinavir, and lopinavir [see Contraindications (4) , Drug Interactions (7.1) ] . (etykieta leku Triazolam, Ostrzeżenia i środki ostrożności)

UBRELVY is contraindicated: With concomitant use of strong CYP3A4 inhibitors [see Drug Interactions ( 7.1 )] In patients with a history of serious hypersensitivity to ubrogepant or any component of UBRELVY. (etykieta leku Ubrogepant, Przeciwwskazania)

Ella should not be administered with CYP3A4 inducers [see Drug interactions (7.1) and Clinical Pharmacology (12.3) ] . (etykieta leku Uliprystal, Ostrzeżenia i środki ostrożności)

Strong CYP3A4 Inducers : Coadministration of RINVOQ/RINVOQ LQ with strong CYP3A4 inducers is not recommended. (etykieta leku Upadacytynib, Interakcje z innymi lekami)

Avoid concomitant use of VEPPANU with strong CYP3A inhibitors or drugs known to prolong the QTc interval. (etykieta leku Vepdegestrant, Ostrzeżenia i środki ostrożności)

Use of strong CYP3A4 inducers with INGREZZA or INGREZZA SPRINKLE Concomitant use is not recommended. (etykieta leku Walbenazyna, Interakcje z innymi lekami)

…Voxilaprevir ↓ velpatasvir ↓ voxilaprevir Coadministration of efavirenz and sofosbuvir/velpatasvir/voxilaprevir is not recommended because it may result in loss of therapeutic effect of sofosbuvir/velpatasvir/voxilaprevir Other agents Anticoagulant:Warfarin ↑ or ↓ warfarin Monitor international normalised ratio (INR) and adjust warfarin dosage if necessary. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Therefore, the concomitant use of strong CYP3A inhibitors with vincristine sulfate should be avoided. (etykieta leku Winkrystyna, Interakcje z innymi lekami)

Antifungals: Voriconazole Itraconazole Ketoconazole Posaconazole ↓ voriconazole * ↑ efavirenz * ↓ itraconazole * ↓ hydroxyitraconazole * ↓ ketoconazole ↓ posaconazole * Efavirenz and voriconazole should not be coadministered at standard doses. (etykieta leku Efawirenz, Interakcje z innymi lekami)

John's wort, a CYP3A4 inducer, in combination with zolpidem may decrease blood levels of zolpidem and is not recommended. (etykieta leku Zolpidem, Interakcje z innymi lekami)

Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogues alone or in combination, including zidovudine and other antiretrovirals. (etykieta leku Zydowudyna, Ostrzeżenie w ramce)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients receiving efavirenz should be alerted to the potential for additive central nervous system effects when efavirenz is used concomitantly with alcohol or psychoactive drugs. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

CYP3A4 inhibitors: Use with caution in combination due to increased exposure of alosetron. (etykieta leku Alosetron, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Calcium channel blockers: Diltiazem Others (e.g., felodipine, nicardipine, nifedipine, verapamil) ↓ diltiazem * ↓ desacetyl diltiazem * ↓ N-monodesmethyl diltiazem * ↓ calcium channel blocker Diltiazem dose adjustments should be guided by clinical response (refer to the full prescribing information for diltiazem). (etykieta leku Efawirenz, Interakcje z innymi lekami)

Calcium channel blockers: Diltiazem Others (e.g., felodipine, nicardipine, nifedipine, verapamil) ↓ diltiazem * ↓ desacetyl diltiazem * ↓ N-monodesmethyl diltiazem * ↓ calcium channel blocker Diltiazem dose adjustments should be guided by clinical response (refer to the full prescribing information for diltiazem). (etykieta leku Efawirenz, Interakcje z innymi lekami)

Calcium channel blockers: Diltiazem Others (e.g., felodipine, nicardipine, nifedipine, verapamil) ↓ diltiazem * ↓ desacetyl diltiazem * ↓ N-monodesmethyl diltiazem * ↓ calcium channel blocker Diltiazem dose adjustments should be guided by clinical response (refer to the full prescribing information for diltiazem). (etykieta leku Efawirenz, Interakcje z innymi lekami)

Calcium channel blockers: Diltiazem Others (e.g., felodipine, nicardipine, nifedipine, verapamil) ↓ diltiazem * ↓ desacetyl diltiazem * ↓ N-monodesmethyl diltiazem * ↓ calcium channel blocker Diltiazem dose adjustments should be guided by clinical response (refer to the full prescribing information for diltiazem). (etykieta leku Efawirenz, Interakcje z innymi lekami)

Calcium channel blockers: Diltiazem Others (e.g., felodipine, nicardipine, nifedipine, verapamil) ↓ diltiazem * ↓ desacetyl diltiazem * ↓ N-monodesmethyl diltiazem * ↓ calcium channel blocker Diltiazem dose adjustments should be guided by clinical response (refer to the full prescribing information for diltiazem). (etykieta leku Efawirenz, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

HMG-CoA reductase inhibitors: Atorvastatin PravastatinSimvastatin ↓ atorvastatin * ↓ pravastatin * ↓ simvastatin * Plasma concentrations of atorvastatin, pravastatin and simvastatin decreased. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Antimalarials: Artemether/lumefantrine Atovaquone/ proguanil ↓ artemether * ↓ dihydroartemisinin * ↓ lumefantrine * ↓ atovaquone ↓ proguanil Consider alternatives to artemether/ lumefantrine because of the risk of QT interval prolongation. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Antimalarials: Artemether/lumefantrine Atovaquone/ proguanil ↓ artemether * ↓ dihydroartemisinin * ↓ lumefantrine * ↓ atovaquone ↓ proguanil Consider alternatives to artemether/ lumefantrine because of the risk of QT interval prolongation. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Clinically Significant Interactions with Bexagliflozin Tablets UGT Enzyme Inducers Clinical Impact UGT Enzyme Inducers may significantly reduce exposure to bexagliflozin and lead to a decreased efficacy [ see Clinical Pharmacology ( 12.3 )]. (etykieta leku Bexagliflozin, Interakcje z innymi lekami)

Strong CYP2D6 REXULTI may be administered without dosage adjustment in patients with MDD when administered with strong CYP2D6 inhibitors (e.g., paroxetine, fluoxetine). or CYP3A4 inhibitors Administer half of recommended dosage. (etykieta leku Brekspiprazol, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Interactions with Strong Cytochrome P450 3A4 Inhibitors Caution should be exercised when considering the co-administration of PULMICORT FLEXHALER with ketoconazole, and other known strong CYP3A4 inhibitors (e.g., ritonavir, atazanavir, clarithromycin, indinavir, itraconazole, nefazodone, nelfinavir, saquinavir, telithromycin) because adverse effects related to… (etykieta leku Budezonid, Ostrzeżenia i środki ostrożności)

Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir): Risk of increased systemic corticosteroid effects. (etykieta leku Budezonid + formoterol, Ostrzeżenia i środki ostrożności)

Narcotic analgesic: Methadone ↓ methadone * Monitor for signs of methadone withdrawal and increase methadone dose if required to alleviate withdrawal symptoms. * The interaction between efavirenz and the drug was evaluated in a clinical study. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Bupropion dose should not exceed the maximum recommended dose. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Other inhibitors and inducers of CYP3A4: Substances that inhibit CYP3A4, such as ketoconazole or ritonavir, may inhibit buspirone metabolism and increase plasma concentrations of buspirone while substances that induce CYP3A4, such as dexamethasone or certain anticonvulsants (phenytoin, phenobarbital, carbamazepine), may increase the rate of buspirone metabolism. (etykieta leku Buspiron, Interakcje z innymi lekami)

Narcotic analgesic: Methadone ↓ methadone * Monitor for signs of methadone withdrawal and increase methadone dose if required to alleviate withdrawal symptoms. * The interaction between efavirenz and the drug was evaluated in a clinical study. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Co-administration of celecoxib with drugs that are known to inhibit CYP2C9 (e.g., fluconazole) may enhance the exposure and toxicity of celecoxib whereas co-administration with CYP2C9 inducers (e.g., rifampin) may lead to compromised efficacy of celecoxib. (etykieta leku Celekoksyb, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

In a drug interaction study, co-administration of orally inhaled ciclesonide and oral ketoconazole, a potent inhibitor of cytochrome P450 3A4, increased the exposure (AUC) of des-ciclesonide by approximately 3.6-fold at steady state, while levels of ciclesonide remained unchanged. (etykieta leku Cyklezonid, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Strong and moderate CYP3A4 and CYP2C19 inhibitors: Increase exposure to cilostazol. (etykieta leku Cylostazol, Interakcje z innymi lekami)

Co-administration with a strong CYP3A4 inhibitor may increase serum levels of cinacalcet. (etykieta leku Cynakalcet, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

CYP3A4 Inhibitors The systemic exposure of darifenacin from darifenacin extended-release tablets is increased in the presence of CYP3A4 inhibitors. (etykieta leku Daryfenacyna, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Decreased exposure of some antiretroviral drugs (e.g., rilpivirine, atazanavir, and nelfinavir) when used concomitantly with dexlansoprazole may reduce antiviral effect and promote the development of drug resistance . (etykieta leku Dekslanzoprazol, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

CYP3A4 inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice, or ketoconazole may increase plasma hormone concentrations. (etykieta leku Dezogestrel + etynyloestradiol, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Co-administration of diclofenac with CYP2C9 inhibitors (e.g. voriconazole) may enhance the exposure and toxicity of diclofenac whereas co- administration with CYP2C9 inducers (e.g. rifampin) may lead to compromised efficacy of diclofenac. (etykieta leku Diklofenak, Interakcje z innymi lekami)

Co-administration of diclofenac with CYP2C9 inhibitors (e.g., voriconazole) may enhance the exposure and toxicity of diclofenac [see Clinical Pharmacology (12.3) ] whereas co-administration with CYP2C9 inducers (e.g., rifampin) may lead to compromised efficacy of diclofenac. (etykieta leku Diklofenak + mizoprostol, Interakcje z innymi lekami)

Calcium channel blockers: Diltiazem Others (e.g., felodipine, nicardipine, nifedipine, verapamil) ↓ diltiazem * ↓ desacetyl diltiazem * ↓ N-monodesmethyl diltiazem * ↓ calcium channel blocker Diltiazem dose adjustments should be guided by clinical response (refer to the full prescribing information for diltiazem). (etykieta leku Efawirenz, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Strong cytochrome P450 (CYP) 3A inhibitors may increase exposure to doxazosin and increased risk of hypotension. (etykieta leku Doksazosyna, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Examples Glutethimide and phenobarbital Intervention If a patient initiates or discontinues therapy with an enzyme inducer, dose adjustment of doxercalciferol may be necessary. (etykieta leku Dokserkalcyferol, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Non-nucleoside reverse transcriptase inhibitor: Efavirenz a ↓Dolutegravir Adjust dose of TIVICAY to twice daily for treatment-naïve and treatment-experienced, INSTI-naïve adult patients. (etykieta leku Dolutegrawir, Interakcje z innymi lekami)

Monitor for increased dronabinol-related adverse reactions when dronabinol oral solution is co-administered with inhibitors of CYP2C9 (e.g., amiodarone, fluconazole) and inhibitors of CYP3A4 enzymes (e.g., ketoconazole, itraconazole, clarithromycin, ritonavir, erythromycin, grapefruit juice). (etykieta leku Dronabinol, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Consider monitoring serum potassium concentration in high-risk patients who take a strong CYP3A4 inhibitor long-term and concomitantly. (etykieta leku Drospirenon + etynyloestradiol, Ostrzeżenia i środki ostrożności)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Antifungals: Voriconazole Itraconazole Ketoconazole Posaconazole ↓ voriconazole * ↑ efavirenz * ↓ itraconazole * ↓ hydroxyitraconazole * ↓ ketoconazole ↓ posaconazole * Efavirenz and voriconazole should not be coadministered at standard doses. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Strong CYP 3A4 inducers: Concomitant use of strong CYP 3A4 inducers decreases exemestane exposure. (etykieta leku Eksemestan, Interakcje z innymi lekami)

Narcotic analgesic: Methadone ↓ methadone * Monitor for signs of methadone withdrawal and increase methadone dose if required to alleviate withdrawal symptoms. * The interaction between efavirenz and the drug was evaluated in a clinical study. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Inhibitors of CYP3A4 such as erythromycin, clarithromycin, ketoconazole, itraconazole, ritonavir and grapefruit juice may increase plasma concentrations of estrogens and may result in side effects. (etykieta leku Estradiol, Interakcje z innymi lekami)

Women who take medications that are strong CYP3A4 inducers should not choose Natazia as their oral contraceptive while using these inducers and for at least 28 days after discontinuation of these inducers due to the possibility of increased breakthrough bleeding and/or decreased contraceptive efficacy. (etykieta leku Estradiol + dienogest, Interakcje z innymi lekami)

Inducers and/or inhibitors of CYP3A4 may affect estrogen drug metabolism and decrease or increase the estrogen plasma concentration. (etykieta leku Estradiol + noretysteron, Interakcje z innymi lekami)

Concomitant administration of itraconazole, a strong CYP3A4 inhibitor, with DUAVEE, resulted in increases in bazedoxifene exposure (40%) and, to a lesser extent, conjugated estrogens exposure (9% for baseline-adjusted total estrone, 5% for total equilin), compared to DUAVEE alone [see Pharmacokinetics (12.3) ] . (etykieta leku Estrogeny skoniugowane + bazedoksyfen, Interakcje z innymi lekami)

The dose of LUNESTA should be reduced in patients who are administered potent inhibitors of CYP3A4, such as ketoconazole, while taking LUNESTA. (etykieta leku Eszopiklon, Ostrzeżenia i środki ostrożności)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Decreased exposure of etonogestrel may be expected. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Concomitant use of Etravirine with efavirenz or nevirapine may cause a significant decrease in the plasma concentrations of etravirine and loss of therapeutic effect of Etravirine. (etykieta leku Etrawiryna, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

• Decreased exposure of some antiretroviral drugs (e.g., rilpivirine atazanavir, and nelfinavir) when used concomitantly with esomeprazole may reduce antiviral effect and promote the development of drug resistance [see Clinical Pharmacology (12.3) ] . (etykieta leku Ezomeprazol, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Calcium channel blockers: Diltiazem Others (e.g., felodipine, nicardipine, nifedipine, verapamil) ↓ diltiazem * ↓ desacetyl diltiazem * ↓ N-monodesmethyl diltiazem * ↓ calcium channel blocker Diltiazem dose adjustments should be guided by clinical response (refer to the full prescribing information for diltiazem). (etykieta leku Efawirenz, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Potential for Other Drugs to Affect Efavirenz Drugs that induce CYP3A activity (e.g., phenobarbital, rifampin, rifabutin) would be expected to increase the clearance of efavirenz resulting in lowered plasma concentrations [ see Dosage and Administration ( 2.2 ) ]. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Phenobarbital Clinical Impact: Chronic administration of phenobarbital, a known enzyme inducer, may be associated with a decrease in the plasma half-life of fenoprofen. (etykieta leku Fenoprofen, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Anti-infective: Clarithromycin ↓ clarithromycin * ↑ 14-OH metabolite * Consider alternatives to macrolide antibiotics because of the risk of QT interval prolongation. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

HMG-CoA reductase inhibitors: Atorvastatin PravastatinSimvastatin ↓ atorvastatin * ↓ pravastatin * ↓ simvastatin * Plasma concentrations of atorvastatin, pravastatin and simvastatin decreased. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

CYP3A4 Interactions: Fosaprepitant is a weak inhibitor of CYP3A4, and aprepitant, the active moiety, is a substrate, inhibitor, and inducer of CYP3A4; see Full Prescribing Information for recommendations regarding contraindications, risk of adverse reactions, and dosage adjustment of FOCINVEZ and concomitant drugs. (etykieta leku Fosaprepitant, Ostrzeżenia i środki ostrożności)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (etykieta leku Gefitynib, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

…Interactions: Effect of other Drugs on INTUNIV Concomitant Drug Name or Drug Class Clinical Rationale and Magnitude of Drug Interaction Clinical Recommendation Strong and moderate CYP3A4 inhibitors, e.g., ketoconazole, fluconazole Guanfacine is primarily metabolized by CYP3A4 and its plasma concentrations can be significantly affected resulting in an increase… (etykieta leku Guanfacyna, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Concomitant administration of inhibitors of CYP3A4 may lead to increases in serum concentrations of ALKINDI SPRINKLE and increase the risk of adverse reactions associated with the use of excessive doses. (etykieta leku Hydrokortyzon, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Narcotic analgesic: Methadone ↓ methadone * Monitor for signs of methadone withdrawal and increase methadone dose if required to alleviate withdrawal symptoms. * The interaction between efavirenz and the drug was evaluated in a clinical study. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

• CYP3A4 Inducers: Monitor for increased toxicity when used in combination with CYP3A4 inducers. (etykieta leku Ifosfamid, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

CYP3A4 inducers may decrease Gleevec C max and area under curve (AUC). (etykieta leku Imatynib, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Calcium channel blockers: Diltiazem Others (e.g., felodipine, nicardipine, nifedipine, verapamil) ↓ diltiazem * ↓ desacetyl diltiazem * ↓ N-monodesmethyl diltiazem * ↓ calcium channel blocker Diltiazem dose adjustments should be guided by clinical response (refer to the full prescribing information for diltiazem). (etykieta leku Efawirenz, Interakcje z innymi lekami)

Concomitant Use with CYP3A Inducers Use of KALYDECO with strong CYP3A inducers, such as rifampin, substantially decreases the exposure of ivacaftor, which may reduce the therapeutic effectiveness of KALYDECO. (etykieta leku Iwakaftor, Ostrzeżenia i środki ostrożności)

Table 7: Clinically Significant Drug Interactions with INVOKANA UGT Enzyme Inducers Clinical Impact: UGT enzyme inducers decrease canagliflozin exposure which may reduce the effectiveness of INVOKANA. (etykieta leku Kanagliflozyna, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Amiodarone Amiodarone and its metabolite desethyl amiodarone, inhibitors of CYP2C9, and P- glycoprotein increased concentrations of the S(-)-enantiomer of carvedilol by at least 2 fold [see Clinical Pharmacology (12.5) ]. (etykieta leku Karwedilol, Interakcje z innymi lekami)

Co-administration of CYP2C19 inhibitors, such as omeprazole or fluvoxamine, with carisoprodol could result in increased exposure of carisoprodol and decreased exposure of meprobamate. (etykieta leku Karyzoprodol, Interakcje z innymi lekami)

Other Inducers of Hepatic CYP Enzymes Adults : When Caspofungin acetate for Injection is co-administered to adult patients with other inducers of hepatic CYP enzymes, such as efavirenz, nevirapine, phenytoin, dexamethasone, or carbamazepine, administration of a daily dose of 70 mg of Caspofungin acetate for Injection should be considered [see Dosage and Administration… (etykieta leku Kaspofungina, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Inhibitors of CYP3A4 and CYP3A5 Inhibitors of CYP3A4 and/or CYP3A5 may increase plasma concentrations of clindamycin [ see Clinical Pharmacology (12.3) ]. (etykieta leku Klindamycyna, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Antifungals: Voriconazole Itraconazole Ketoconazole Posaconazole ↓ voriconazole * ↑ efavirenz * ↓ itraconazole * ↓ hydroxyitraconazole * ↓ ketoconazole ↓ posaconazole * Efavirenz and voriconazole should not be coadministered at standard doses. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Decreased exposure of some antiretroviral drugs (e.g., rilpivirine, atazanavir, and nelfinavir) when used concomitantly with lansoprazole may reduce antiviral effect and promote the development of drug resistance. (etykieta leku Lanzoprazol, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (etykieta leku Lewonorgestrel + etynyloestradiol, Interakcje z innymi lekami)

Narcotic analgesic: Methadone ↓ methadone * Monitor for signs of methadone withdrawal and increase methadone dose if required to alleviate withdrawal symptoms. * The interaction between efavirenz and the drug was evaluated in a clinical study. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Strong P-glycoprotein/CYP3A4 inducer: The efficacy of TRADJENTA may be reduced when administered in combination (e.g., with rifampin). (etykieta leku Linagliptyna, Interakcje z innymi lekami)

Inducers of P-glycoprotein or CYP3A4 Enzymes Clinical Impact Rifampin decreased linagliptin exposure, suggesting that the efficacy of linagliptin may be reduced when administered in combination with a strong P-gp or CYP3A4 inducer. (etykieta leku Linagliptyna + metformina, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Antimalarials: Artemether/lumefantrine Atovaquone/ proguanil ↓ artemether * ↓ dihydroartemisinin * ↓ lumefantrine * ↓ atovaquone ↓ proguanil Consider alternatives to artemether/ lumefantrine because of the risk of QT interval prolongation. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Thus concomitant usage of CYP2C9 inhibitors (such as amiodarone, fluconazole, and sulphaphenazole) may lead to abnormally high plasma levels of meloxicam due to reduced metabolic clearance [ see Use in Specific Populations ( 8.8 ); and Clinical Pharmacology ( 12.3 , 12.5 ) ]. (etykieta leku Meloksykam, Interakcje z innymi lekami)

Inducers of CYP3A4 (e.g., phenytoin, carbamazepine, dexamethasone, rifampin, and phenobarbital) could increase the rate of elimination of donepezil. (etykieta leku Memantyna + donepezyl, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Narcotic analgesic: Methadone ↓ methadone * Monitor for signs of methadone withdrawal and increase methadone dose if required to alleviate withdrawal symptoms. * The interaction between efavirenz and the drug was evaluated in a clinical study. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Hepatic Enzyme Inducers (e.g., barbiturates, phenytoin, carbamazepine, rifampin) : Drugs which induce cytochrome P450 3A4 enzyme activity may enhance the metabolism of corticosteroids and require that the dosage of the corticosteroid be increased. (etykieta leku Metyloprednizolon, Interakcje z innymi lekami)

Cytochrome P450-3A4 Inhibitors: May result in prolonged sedation due to decreased plasma clearance of midazolam. (etykieta leku Midazolam, Interakcje z innymi lekami)

Antifungals: Voriconazole Itraconazole Ketoconazole Posaconazole ↓ voriconazole * ↑ efavirenz * ↓ itraconazole * ↓ hydroxyitraconazole * ↓ ketoconazole ↓ posaconazole * Efavirenz and voriconazole should not be coadministered at standard doses. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir): Risk of increased systemic corticosteroid effects. (etykieta leku Mometazon, Ostrzeżenia i środki ostrożności)

Narcotic analgesic: Methadone ↓ methadone * Monitor for signs of methadone withdrawal and increase methadone dose if required to alleviate withdrawal symptoms. * The interaction between efavirenz and the drug was evaluated in a clinical study. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Narcotic analgesic: Methadone ↓ methadone * Monitor for signs of methadone withdrawal and increase methadone dose if required to alleviate withdrawal symptoms. * The interaction between efavirenz and the drug was evaluated in a clinical study. (etykieta leku Efawirenz, Interakcje z innymi lekami)

• Decreased exposure of some antiretroviral drugs (e.g., rilpivirine, atazanavir, and nelfinavir) when used concomitantly with esomeprazole magnesium may reduce antiviral effect and promote the development of drug resistance [see Clinical Pharmacology (12.3) ]. (etykieta leku Naproksen + ezomeprazol, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

…salicylates, monoamine oxidase inhibitors, non-selective beta-adrenergic-blocking agents, anabolic hormones (e.g., methandrostenolone), guanethidine, gymnema sylvestre, glucomannan, thioctic acid, and inhibitors of CYP2C9 (e.g., amiodarone, fluconazole, voriconazole, sulfinpyrazone) or in patients known to be poor metabolizers of CYP2C9 substrates, alcohol. (etykieta leku Nateglinid, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Calcium channel blockers: Diltiazem Others (e.g., felodipine, nicardipine, nifedipine, verapamil) ↓ diltiazem * ↓ desacetyl diltiazem * ↓ N-monodesmethyl diltiazem * ↓ calcium channel blocker Diltiazem dose adjustments should be guided by clinical response (refer to the full prescribing information for diltiazem). (etykieta leku Efawirenz, Interakcje z innymi lekami)

Coadministration of P-gp and CYP3A4 inhibitors may increase nintedanib exposure. (etykieta leku Nintedanib, Interakcje z innymi lekami)

CYP3A4 inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice, or ketoconazole may increase plasma hormone concentrations. (etykieta leku Norelgestromin + etynyloestradiol, Interakcje z innymi lekami)

Some drugs or herbal products that may decrease the effectiveness of HCs include efavirenz, phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, rifabutin, rufinamide, aprepitant, and products containing St. (etykieta leku Noretysteron, Interakcje z innymi lekami)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (etykieta leku Norgestrel + etynyloestradiol, Interakcje z innymi lekami)

CYP3A4 inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice, or ketoconazole may increase plasma hormone concentrations. (etykieta leku Norgestymat + etynyloestradiol, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Co-administration with strong cytochrome P450 (CYP) 3A4 inhibitors (e.g., ketoconazole) increases the systemic exposure of oxybutynin. (etykieta leku Oksybutynina, Interakcje z innymi lekami)

Narcotic analgesic: Methadone ↓ methadone * Monitor for signs of methadone withdrawal and increase methadone dose if required to alleviate withdrawal symptoms. * The interaction between efavirenz and the drug was evaluated in a clinical study. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Calcium channel blockers: Diltiazem Others (e.g., felodipine, nicardipine, nifedipine, verapamil) ↓ diltiazem * ↓ desacetyl diltiazem * ↓ N-monodesmethyl diltiazem * ↓ calcium channel blocker Diltiazem dose adjustments should be guided by clinical response (refer to the full prescribing information for diltiazem). (etykieta leku Efawirenz, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

• Decreased exposure of some antiretroviral drugs (e.g., rilpivirine, atazanavir and nelfinavir) when used concomitantly with omeprazole may reduce antiviral effect and promote the development of drug resistance [see Clinical Pharmacology ( 12.3 )]. (etykieta leku Omeprazol, Interakcje z innymi lekami)

Decreased exposure of some antiretroviral drugs (e.g., rilpivirine, atazanavir and nelfinavir) when used concomitantly with omeprazole may reduce antiviral effect and promote the development of drug resistance [see Clinical Pharmacology ( 12.3 )] . (etykieta leku Omeprazol + wodorowęglan sodu, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Drug Interactions and Decreased Vitamin Absorption ORLISTAT may interact with concomitant drugs including cyclosporine, levothyroxine, warfarin, amiodarone, antiepileptic drugs, and antiretroviral drugs [see Drug Interactions (7) ]. (etykieta leku Orlistat, Ostrzeżenia i środki ostrożności)

• Decreased exposure of some antiretroviral drugs (e.g., rilpivirine atazanavir, and nelfinavir) when used concomitantly with pantoprazole may reduce antiviral effect and promote the development of drug resistance. (etykieta leku Pantoprazol, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Exposure of Paricalcitol Injection will increase upon coadministration with strong CYP3A inhibitors [see Clinical Pharmacology (12.3) ] . (etykieta leku Parykalcytol, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Narcotic analgesic: Methadone ↓ methadone * Monitor for signs of methadone withdrawal and increase methadone dose if required to alleviate withdrawal symptoms. * The interaction between efavirenz and the drug was evaluated in a clinical study. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Antimalarials: Artemether/lumefantrine Atovaquone/ proguanil ↓ artemether * ↓ dihydroartemisinin * ↓ lumefantrine * ↓ atovaquone ↓ proguanil Consider alternatives to artemether/ lumefantrine because of the risk of QT interval prolongation. (etykieta leku Efawirenz, Interakcje z innymi lekami)

HMG-CoA reductase inhibitors: Atorvastatin PravastatinSimvastatin ↓ atorvastatin * ↓ pravastatin * ↓ simvastatin * Plasma concentrations of atorvastatin, pravastatin and simvastatin decreased. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Narcotic analgesic: Methadone ↓ methadone * Monitor for signs of methadone withdrawal and increase methadone dose if required to alleviate withdrawal symptoms. * The interaction between efavirenz and the drug was evaluated in a clinical study. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

HMG-CoA reductase inhibitors: Atorvastatin PravastatinSimvastatin ↓ atorvastatin * ↓ pravastatin * ↓ simvastatin * Plasma concentrations of atorvastatin, pravastatin and simvastatin decreased. (etykieta leku Efawirenz, Interakcje z innymi lekami)

CYP 3A4 inducers (e.g. barbiturates, phenytoin, carbamazepine, and rifampin): Drugs such as barbiturates, phenytoin, ephedrine, and rifampin, which induce hepatic microsomal drug metabolizing enzyme activity may enhance metabolism of prednisolone and require that the dosage of Orapred be increased. (etykieta leku Prednizolon, Interakcje z innymi lekami)

CYP 3A4 inducers and inhibitors: May, respectively, increase or decrease clearance of corticosteroids, necessitating dose adjustment. (etykieta leku Prednizon, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Prophylaxis with appropriate antihistamines before initiating therapy with efavirenz in pediatric patients should be considered. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Impact of Other Drugs on Propranolol CYP2D6, CYP1A2 and CYP2C19 Inhibitors: CYP2D6 inhibitors (e.g. bupropion, fluoxetine, paroxetine, quinidine), CYP1A2 inhibitors (e.g., ciprofloxacin, enoxamine, fluvoxamine) and CYP2C19 inhibitors (e.g., fluconazole, fluvoxamine, ticlopidine) increase exposure to propranolol when co-administered with INNOPRAN XL. (etykieta leku Propranolol, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Antimalarials: Artemether/lumefantrine Atovaquone/ proguanil ↓ artemether * ↓ dihydroartemisinin * ↓ lumefantrine * ↓ atovaquone ↓ proguanil Consider alternatives to artemether/ lumefantrine because of the risk of QT interval prolongation. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Decreased exposure of some antiretroviral drugs (e.g., rilpivirine, atazanavir, and nelfinavir) when used concomitantly with rabeprazole may reduce antiviral effect and promote the development of drug resistance. (etykieta leku Rabeprazol, Interakcje z innymi lekami)

Rifampin (strong CYP enzyme inducer): Decreases exposure to and effects of ramelteon. (etykieta leku Ramelteon, Interakcje z innymi lekami)

Narcotic analgesic: Methadone ↓ methadone * Monitor for signs of methadone withdrawal and increase methadone dose if required to alleviate withdrawal symptoms. * The interaction between efavirenz and the drug was evaluated in a clinical study. (etykieta leku Efawirenz, Interakcje z innymi lekami)

CYP2C8 and CYP3A4 Inhibitors Intervention: Repaglinide tablets dose reductions and increased frequency of glucose monitoring may be required when co‑administered. (etykieta leku Repaglinid, Interakcje z innymi lekami)

Coadministration of a selective and potent inhibitor of CYP3A4, ketoconazole (100 mg bid for 2 days with ropivacaine infusion administered 1 hour after ketoconazole) caused a 15% reduction in in vivo plasma clearance of ropivacaine. (etykieta leku Ropiwakaina, Interakcje z innymi lekami)

HMG-CoA reductase inhibitors: Atorvastatin PravastatinSimvastatin ↓ atorvastatin * ↓ pravastatin * ↓ simvastatin * Plasma concentrations of atorvastatin, pravastatin and simvastatin decreased. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (etykieta leku Ruksolitynib, Interakcje z innymi lekami)

Fixed-Dose Combination of Efavirenz, Emtricitabine, and Tenofovir Once-weekly coadministration of 900 mg PRIFTIN with the antiretroviral fixed-dose combination of efavirenz 600 mg, emtricitabine 200 mg and tenofovir disoproxil fumarate 300 mg in HIV-infected patients did not result in any substantial change in steady state exposures of efavirenz, emtricitabine,… (etykieta leku Ryfapentyna, Interakcje z innymi lekami)

Coadministration of EDURANT or EDURANT PED and drugs that induce CYP3A may result in decreased plasma concentrations of rilpivirine and loss of virologic response and possible resistance to rilpivirine or to the class of NNRTIs. (etykieta leku Rylpiwiryna, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Strong Inhibitors of CYP3A4/5 Enzymes Ketoconazole significantly increased saxagliptin exposure. (etykieta leku Saksagliptyna, Interakcje z innymi lekami)

Strong Inhibitors of CYP3A4/5 Enzymes Ketoconazole significantly increased saxagliptin exposure. (etykieta leku Saksagliptyna + metformina, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Drugs that induce CYP3A4 (e.g., phenytoin, carbamazepine, nafcillin, phenobarbital, and rifampin) should be used with caution. (etykieta leku Selegilina, Interakcje z innymi lekami)

Increases in sertraline dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Monitor QT interval more frequently when SUTENT is concomitantly administered with strong CYP3A4 inhibitors or drugs known to prolong QT interval. (etykieta leku Sunitynib, Ostrzeżenia i środki ostrożności)

Strong CYP3A inducers: Efficacy may be reduced ( 7.2 ). (etykieta leku Suworeksant, Interakcje z innymi lekami)

CYP3A4 inhibitors (e.g., ritonavir, ketoconazole, itraconazole, erythromycin) increase SILDENAFIL ORAL FILM exposure. (etykieta leku Syldenafil, Interakcje z innymi lekami)

…Physicians should be aware that CIALIS for once daily use provides continuous plasma tadalafil levels and should consider this when evaluating the potential for interactions with medications (e.g., nitrates, alpha-blockers, anti-hypertensives and potent inhibitors of CYP3A4) and with substantial consumption of alcohol [see Drug Interactions ( 7.1 , 7.2 , 7.3 )] . (etykieta leku Tadalafil, Ostrzeżenia i środki ostrożności)

Antimalarials: Artemether/lumefantrine Atovaquone/ proguanil ↓ artemether * ↓ dihydroartemisinin * ↓ lumefantrine * ↓ atovaquone ↓ proguanil Consider alternatives to artemether/ lumefantrine because of the risk of QT interval prolongation. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Narcotic analgesic: Methadone ↓ methadone * Monitor for signs of methadone withdrawal and increase methadone dose if required to alleviate withdrawal symptoms. * The interaction between efavirenz and the drug was evaluated in a clinical study. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Calcium channel blockers: Diltiazem Others (e.g., felodipine, nicardipine, nifedipine, verapamil) ↓ diltiazem * ↓ desacetyl diltiazem * ↓ N-monodesmethyl diltiazem * ↓ calcium channel blocker Diltiazem dose adjustments should be guided by clinical response (refer to the full prescribing information for diltiazem). (etykieta leku Efawirenz, Interakcje z innymi lekami)

CYP3A4 Substrates (e.g., midazolam) and CYP2B6 Substrates (e.g., bupropion, efavirenz): Efficacy of concomitant drugs may be decreased; monitor patients’ response and consider increasing the dosage of the concomitant drug, if necessary. (etykieta leku Telotrystat, Interakcje z innymi lekami)

Co-administration with Inducers or Inhibitors of CYP3A Metabolism Agents Inducing CYP3A Metabolism: Strong inducers of CYP3A4/5 such as dexamethasone, carbamazepine, phenytoin, phenobarbital, rifampin, rifabutin, and rifampacin may decrease exposure of the active metabolite, sirolimus. (etykieta leku Temsyrolimus, Ostrzeżenia i środki ostrożności)

Terbinafine clearance is increased 100% by rifampin, a CYP450 enzyme inducer, and decreased 33% by cimetidine, a CYP450 enzyme inhibitor. (etykieta leku Terbinafina, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

DRUG INTERACTIONS Hepatic microsomal enzyme inducing agents, such as carbamazepine, were found to significantly increase the clearance of thiothixene. (etykieta leku Tiotyksen, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

CYP2C9: Concomitant use with CYP2C9 inhibitors can decrease torsemide clearance. (etykieta leku Torasemid, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Co-administration of a CYP2C8 enzyme inducer (e.g., rifampin) may decrease exposure to treprostinil. (etykieta leku Treprostynil, Ostrzeżenia i środki ostrożności)

Co-administration of other strong CYP3A4 inhibitors (e.g., ritonavir, atazanavir, clarithromycin, indinavir, itraconazole, nefazodone, nelfinavir, saquinavir, telithromycin, cobicistat-containing products) with KENALOG-40 Injection may cause increased plasma concentration of triamcinolone leading to adverse reactions. (etykieta leku Triamcynolon, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

CYP3A4 inducers/inhibitors: Monitor for decreased tinidazole effect or increased adverse reactions ( 7.2 ) (etykieta leku Tynidazol, Interakcje z innymi lekami)

Drug Interactions with Strong Cytochrome P450 3A4 Inhibitors Caution should be exercised when considering the coadministration of Umeclidinium and Vilanterol ELLIPTA with ketoconazole and other known strong cytochrome P450 3A4 (CYP3A4) inhibitors (including, but not limited to, ritonavir, clarithromycin, conivaptan, indinavir, itraconazole, lopinavir, nefazodone,… (etykieta leku Umeklidynium + wilanterol, Ostrzeżenia i środki ostrożności)

Immunosuppressants: Cyclosporine, tacrolimus, sirolimus and others metabolized by CYP3A ↓ immunosuppressant Dose adjustments of the immunosuppressant may be required. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Calcium channel blockers: Diltiazem Others (e.g., felodipine, nicardipine, nifedipine, verapamil) ↓ diltiazem * ↓ desacetyl diltiazem * ↓ N-monodesmethyl diltiazem * ↓ calcium channel blocker Diltiazem dose adjustments should be guided by clinical response (refer to the full prescribing information for diltiazem). (etykieta leku Efawirenz, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

CYP3A4 Substrates Clinical Impact Viloxazine is a weak inhibitor of CYP3A4 which increases the exposure of CYP3A4 substrates when coadministered [see Clinical Pharmacology (12.3) ]. (etykieta leku Wiloksazyna, Interakcje z innymi lekami)

Inhibitors of CYP3A4: May cause earlier onset and/or increased severity of adverse reactions ( 7.1 ) (etykieta leku Winorelbina, Interakcje z innymi lekami)

Antidepressant: Bupropion Sertraline ↓ bupropion * ↓ sertraline * Increases in bupropion dosage should be guided by clinical response. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Zafirlukast exposure is likely to be increased by other moderate and strong CYP2C9 inhibitors. (etykieta leku Zafirlukast, Środki ostrożności)

Multiple-dose administration of the potent CYP3A4 inducer rifampin (600 mg every 24 hours, q24h, for 14 days), however, reduced zaleplon C max and AUC by approximately 80%. (etykieta leku Zaleplon, Interakcje z innymi lekami)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

QT Prolonging Drugs There is limited information available on the potential for a pharmacodynamic interaction between efavirenz and drugs that prolong the QTc interval. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Analysis of long-term data from Study 006 (median follow-up 180 weeks, 102 weeks, and 76 weeks for patients treated with efavirenz + zidovudine + lamivudine, efavirenz + indinavir, and indinavir + zidovudine + lamivudine, respectively) showed that, beyond 24 weeks of therapy, the incidences of new-onset nervous system symptoms among efavirenz-treated patients… (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Appropriate antihistamines and/or corticosteroids may improve the tolerability and hasten the resolution of rash. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Appropriate antihistamines and/or corticosteroids may improve the tolerability and hasten the resolution of rash. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Appropriate antihistamines and/or corticosteroids may improve the tolerability and hasten the resolution of rash. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Hormonal contraceptives: Oral Ethinyl estradiol/ Norgsetimate Implant Etonogestrel ↑ active metabolites of norgestimate * ↓ etonogestrel A reliable method of barrier contraception should be used in addition to hormonal contraceptives. (etykieta leku Efawirenz, Interakcje z innymi lekami)

The effect of potent CYP3A4 inhibitors on dutasteride has not been studied. (etykieta leku Dutasteryd, Interakcje z innymi lekami)

Effects of Other Drugs on HALAVEN No drug-drug interactions are expected with CYP3A4 inhibitors, CYP3A4 inducers or P-glycoprotein (P-gp) inhibitors. (etykieta leku Erybulina, Interakcje z innymi lekami)

Hormonal contraceptives: Oral Ethinyl estradiol/ Norgsetimate Implant Etonogestrel ↑ active metabolites of norgestimate * ↓ etonogestrel A reliable method of barrier contraception should be used in addition to hormonal contraceptives. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Hormonal contraceptives: Oral Ethinyl estradiol/ Norgsetimate Implant Etonogestrel ↑ active metabolites of norgestimate * ↓ etonogestrel A reliable method of barrier contraception should be used in addition to hormonal contraceptives. (etykieta leku Efawirenz, Interakcje z innymi lekami)

An in vitro study using human liver microsomes suggests that famciclovir is not an inhibitor of CYP3A4 enzymes. (etykieta leku Famcyklowir, Interakcje z innymi lekami)

Potential for Glycerol Phenylbutyrate to Affect Other Drugs Drugs with narrow therapeutic index that are substrates of CYP3A4 Glycerol phenylbutyrate is a weak inducer of CYP3A4 in humans. (etykieta leku Fenylomaślan glicerolu, Interakcje z innymi lekami)

Appropriate antihistamines and/or corticosteroids may improve the tolerability and hasten the resolution of rash. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Appropriate antihistamines and/or corticosteroids may improve the tolerability and hasten the resolution of rash. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Appropriate antihistamines and/or corticosteroids may improve the tolerability and hasten the resolution of rash. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Hormonal contraceptives: Oral Ethinyl estradiol/ Norgsetimate Implant Etonogestrel ↑ active metabolites of norgestimate * ↓ etonogestrel A reliable method of barrier contraception should be used in addition to hormonal contraceptives. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Appropriate antihistamines and/or corticosteroids may improve the tolerability and hasten the resolution of rash. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Appropriate antihistamines and/or corticosteroids may improve the tolerability and hasten the resolution of rash. (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Analysis of long-term data from Study 006 (median follow-up 180 weeks, 102 weeks, and 76 weeks for patients treated with efavirenz + zidovudine + lamivudine, efavirenz + indinavir, and indinavir + zidovudine + lamivudine, respectively) showed that, beyond 24 weeks of therapy, the incidences of new-onset nervous system symptoms among efavirenz-treated patients… (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Analysis of long-term data from Study 006 (median follow-up 180 weeks, 102 weeks, and 76 weeks for patients treated with efavirenz + zidovudine + lamivudine, efavirenz + indinavir, and indinavir + zidovudine + lamivudine, respectively) showed that, beyond 24 weeks of therapy, the incidences of new-onset nervous system symptoms among efavirenz-treated patients… (etykieta leku Efawirenz, Ostrzeżenia i środki ostrożności)

Hormonal contraceptives: Oral Ethinyl estradiol/ Norgsetimate Implant Etonogestrel ↑ active metabolites of norgestimate * ↓ etonogestrel A reliable method of barrier contraception should be used in addition to hormonal contraceptives. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Hormonal contraceptives: Oral Ethinyl estradiol/ Norgsetimate Implant Etonogestrel ↑ active metabolites of norgestimate * ↓ etonogestrel A reliable method of barrier contraception should be used in addition to hormonal contraceptives. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Hormonal contraceptives: Oral Ethinyl estradiol/ Norgsetimate Implant Etonogestrel ↑ active metabolites of norgestimate * ↓ etonogestrel A reliable method of barrier contraception should be used in addition to hormonal contraceptives. (etykieta leku Efawirenz, Interakcje z innymi lekami)

When phenytoin or other hepatic enzyme inducers such as rifampin and phenobarbital have been taken concurrently with mexiletine, lowered mexiletine plasma levels have been reported. (etykieta leku Meksyletyna, Interakcje z innymi lekami)

Hormonal contraceptives: Oral Ethinyl estradiol/ Norgsetimate Implant Etonogestrel ↑ active metabolites of norgestimate * ↓ etonogestrel A reliable method of barrier contraception should be used in addition to hormonal contraceptives. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Strong CYP3A inducers: Strong inducers of CYP3A (for example, rifampin, phenytoin, carbamazepine, phenobarbital or St. (etykieta leku Riocyguat, Interakcje z innymi lekami)

CYP3A4 Substrates An in vitro study has suggested that rifaximin induces CYP3A4 [see Clinical Pharmacology ( 12.3 )] . (etykieta leku Ryfaksymina, Interakcje z innymi lekami)

However, no formal drug-drug interaction studies between zileuton and CYP3A4 inhibitors, such as ketaconazole, have been conducted. (etykieta leku Zileuton, Interakcje z innymi lekami)

…Efavirenz No dosage adjustment is recommended when efavirenz is given with the following: aluminum/magnesium hydroxide antacids, azithromycin, cetirizine, famotidine, fluconazole, lorazepam, nelfinavir, nucleoside reverse transcriptase inhibitors (abacavir, emtricitabine, lamivudine, stavudine, tenofovir disoproxil fumarate, zidovudine), paroxetine, and raltegravir. (etykieta leku Efawirenz, Interakcje z innymi lekami)

…Significant Interactions with Efavirenz No dosage adjustment is recommended when efavirenz is given with the following: aluminum/magnesium hydroxide antacids, azithromycin, cetirizine, famotidine, fluconazole, lorazepam, nelfinavir, nucleoside reverse transcriptase inhibitors (abacavir, emtricitabine, lamivudine, stavudine, tenofovir disoproxil fumarate, zidovudine),… (etykieta leku Efawirenz, Interakcje z innymi lekami)

…Significant Interactions with Efavirenz No dosage adjustment is recommended when efavirenz is given with the following: aluminum/magnesium hydroxide antacids, azithromycin, cetirizine, famotidine, fluconazole, lorazepam, nelfinavir, nucleoside reverse transcriptase inhibitors (abacavir, emtricitabine, lamivudine, stavudine, tenofovir disoproxil fumarate, zidovudine),… (etykieta leku Efawirenz, Interakcje z innymi lekami)

Drugs Without Clinically Significant Interactions with Efavirenz No dosage adjustment is recommended when efavirenz is given with the following: aluminum/magnesium hydroxide antacids, azithromycin, cetirizine, famotidine, fluconazole, lorazepam, nelfinavir, nucleoside reverse transcriptase inhibitors (abacavir, emtricitabine, lamivudine, stavudine, tenofovir… (etykieta leku Efawirenz, Interakcje z innymi lekami)

…Efavirenz No dosage adjustment is recommended when efavirenz is given with the following: aluminum/magnesium hydroxide antacids, azithromycin, cetirizine, famotidine, fluconazole, lorazepam, nelfinavir, nucleoside reverse transcriptase inhibitors (abacavir, emtricitabine, lamivudine, stavudine, tenofovir disoproxil fumarate, zidovudine), paroxetine, and raltegravir. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Drugs Without Clinically Significant Interactions with Efavirenz No dosage adjustment is recommended when efavirenz is given with the following: aluminum/magnesium hydroxide antacids, azithromycin, cetirizine, famotidine, fluconazole, lorazepam, nelfinavir, nucleoside reverse transcriptase inhibitors (abacavir, emtricitabine, lamivudine, stavudine, tenofovir… (etykieta leku Efawirenz, Interakcje z innymi lekami)

…adjustment is needed when SINGULAIR is co-administered with theophylline, prednisone, prednisolone, oral contraceptives, fexofenadine, digoxin, warfarin, gemfibrozil, itraconazole, thyroid hormones, sedative hypnotics, non-steroidal anti-inflammatory agents, benzodiazepines, decongestants, and Cytochrome P450 (CYP) enzyme inducers [see Clinical Pharmacology (12.3) ]. (etykieta leku Montelukast, Interakcje z innymi lekami)

Effect of Other Drugs on Micafungin in Sodium Chloride Injection CYP3A4, CYP2C9 and CYP2C19 Inhibitors Co-administration of Micafungin in Sodium Chloride Injection with cyclosporine, itraconazole, voriconazole and fluconazole did not alter the pharmacokinetics of micafungin. (etykieta leku Mykafungina, Interakcje z innymi lekami)

…Efavirenz No dosage adjustment is recommended when efavirenz is given with the following: aluminum/magnesium hydroxide antacids, azithromycin, cetirizine, famotidine, fluconazole, lorazepam, nelfinavir, nucleoside reverse transcriptase inhibitors (abacavir, emtricitabine, lamivudine, stavudine, tenofovir disoproxil fumarate, zidovudine), paroxetine, and raltegravir. (etykieta leku Efawirenz, Interakcje z innymi lekami)

Drugs Without Clinically Significant Interactions with Efavirenz No dosage adjustment is recommended when efavirenz is given with the following: aluminum/magnesium hydroxide antacids, azithromycin, cetirizine, famotidine, fluconazole, lorazepam, nelfinavir, nucleoside reverse transcriptase inhibitors (abacavir, emtricitabine, lamivudine, stavudine, tenofovir… (etykieta leku Efawirenz, Interakcje z innymi lekami)