Interacciones de Cimetidina

• CYP3A Inhibitors: Avoid co-administration with strong CYP3A inhibitors. (etiqueta de Acalabrutinib, Interacciones medicamentosas)

…(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… (etiqueta de Alfuzosina, Contraindicaciones)

Concomitant use of almotriptan tablets and potent CYP3A4 inhibitors should be avoided in patients with renal or hepatic impairment [see Clinical Pharmacology ( 12.3 )] . (etiqueta de Almotriptán, Interacciones medicamentosas)

Fluvoxamine, a known strong inhibitor of CYP1A2, has been shown to increase mean alosetron plasma concentrations (AUC) approximately 6-fold and prolong the half-life by approximately 3-fold [see Drug Interactions ( 7.1 )] . (etiqueta de Alosetrón, Contraindicaciones)

• 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) ] . (etiqueta de Alprazolam, Contraindicaciones)

If concomitant use of DYANAVEL XR with other serotonergic drugs or CYP2D6 inhibitors is clinically warranted, initiate DYANAVEL XR with lower doses, monitor patients for the emergence of serotonin syndrome during drug initiation or titration, and inform patients of the increased risk for serotonin syndrome. (etiqueta de Anfetamina, Advertencias y precauciones)

If serotonin syndrome occurs, discontinue ADDERALL XR and the CYP2D6 inhibitor [see Warnings and Precautions ( 5.8 ), Overdosage ( 10 )] . (etiqueta de Anfetamina y dexanfetamina, Interacciones medicamentosas)

For patients receiving ELIQUIS at a dose of 2.5 mg twice daily, avoid coadministration with combined P-gp and strong CYP3A4 inhibitors [see Dosage and Administration (2.6) and Clinical Pharmacology (12.3) ] . (etiqueta de Apixabán, Interacciones medicamentosas)

Do not use avanafil in patients taking strong CYP3A4 inhibitors [see Warnings and Precautions ( 5.2 ) and Dosage and Administration ( 2.3 )]. (etiqueta de Avanafilo, Interacciones medicamentosas)

Concomitant administration of BIXLENVO with combined P-gp, UGT1A1, and strong CYP3A inhibitors is not recommended. (etiqueta de Bictegravir, emtricitabina y tenofovir alafenamida, Interacciones medicamentosas)

Co-administration of such combinations of a CYP2C9 inhibitor plus a strong or moderate CYP3A inhibitor with TRACLEER is not recommended. (etiqueta de Bosentán, Interacciones medicamentosas)

• Strong and Moderate CYP3A Inhibitors: Avoid concomitant use with BOSULIF. (etiqueta de Bosutinib, Interacciones medicamentosas)

Concomitant use of strong CYP3A4 inhibitors (e.g., azole antimycotics, HIV protease inhibitors) with CYCLOSET should be avoided. (etiqueta de Bromocriptina, Interacciones medicamentosas)

Evaluate patients starting CYP3A4 inhibitors or stopping CYP3A4 inducers at frequent intervals for respiratory depression. (etiqueta de Buprenorfina, Interacciones medicamentosas)

The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (etiqueta de Butalbital, ácido acetilsalicílico, cafeína y codeína, Advertencia en recuadro)

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. (etiqueta de Butalbital, paracetamol, cafeína y codeína, Advertencia en recuadro)

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… (etiqueta de Cabozantinib, Interacciones medicamentosas)

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 ),… (etiqueta de Citalopram, Advertencias y precauciones)

CYP2C19 inhibitors: Avoid concomitant use of omeprazole or esomeprazole. (etiqueta de Clopidogrel, Advertencias y precauciones)

Concomitant use of cimetidine should be avoided. (etiqueta de Cloroquina, Interacciones medicamentosas)

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. (etiqueta de Codeína, Advertencia en recuadro)

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) ] . (etiqueta de Colchicina, Contraindicaciones)

Strong CYP3A4 inhibitors: Avoid concomitant use. (etiqueta de Daridorexant, Interacciones medicamentosas)

Avoid concomitant use of strong CYP3A4 inhibitors. (etiqueta de Dasatinib, Interacciones medicamentosas)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (etiqueta de Dexametasona, Interacciones medicamentosas)

If serotonin syndrome occurs, discontinue dextroamphetamine sulfate and the CYP2D6 inhibitor [see Warnings , Overdosage ]. (etiqueta de Dexanfetamina, Interacciones medicamentosas)

QT Prolongation: Monitor ECG if concomitant use of drugs that prolong QT interval cannot be avoided or if concomitant CYP3A4 inhibitors used. (etiqueta de Dextrometorfano y quinidina, Advertencias y precauciones)

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. (etiqueta de Dihidroergotamina, Advertencia en recuadro)

Concomitant use of Docetaxel Injection and drugs that inhibit CYP3A4 may increase exposure to docetaxel and should be avoided. (etiqueta de Docetaxel, Interacciones medicamentosas)

The concomitant use of verapamil or the cation transport system inhibitors cimetidine, trimethoprim (alone or in combination with sulfamethoxazole), or ketoconazole with dofetilide is contraindicated (see WARNINGS and PRECAUTIONS, Drug-Drug Interactions ), as each of these drugs cause a substantial increase in dofetilide plasma concentrations. (etiqueta de Dofetilida, Contraindicaciones)

Avoid concomitant use of Doxorubicin Hydrochloride Injection with inhibitors of CYP3A4, CYP2D6, or P-gp. (etiqueta de Doxorubicina, Interacciones medicamentosas)

Strong CYP1A2 inhibitors : Avoid concomitant use. (etiqueta de Duloxetina, Interacciones medicamentosas)

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) ]. (etiqueta de Dutasterida y tamsulosina, Advertencias y precauciones)

• 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) ]. (etiqueta de Eletriptán, Contraindicaciones)

Use of RPV with proton pump inhibitors is contraindicated and use of RPV with H 2 -receptor antagonists requires staggered administration [see Contraindications (4) and Clinical Pharmacology (12.3) ] . (etiqueta de Emtricitabina, rilpivirina y tenofovir, Interacciones medicamentosas)

…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)… (etiqueta de Eplerenona, Contraindicaciones)

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. (etiqueta de Ergotamina y cafeína, Advertencia en recuadro)

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). (etiqueta de Erlotinib, Interacciones medicamentosas)

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

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) ] . (etiqueta de Ezetimiba y simvastatina, Contraindicaciones)

Famotidine Injection is contraindicated in patients with a history of serious hypersensitivity reactions (e.g., anaphylaxis) to famotidine or other H 2 -receptor antagonists. (etiqueta de Famotidina, Contraindicaciones)

• Concomitant use with CYP3A4 inhibitors (or discontinuation of CYP3A4 inducers) can result in a fatal overdose of fentanyl. (etiqueta de Fentanilo, Advertencia en recuadro)

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) ]. (etiqueta de Fesoterodina, Interacciones medicamentosas)

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) ] . (etiqueta de Flibanserina, Advertencia en recuadro)

Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): Use not recommended. (etiqueta de Fluticasona, Interacciones medicamentosas)

Avoid strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): May increase risk of systemic corticosteroid and cardiovascular effects. (etiqueta de Fluticasona y salmeterol, Interacciones medicamentosas)

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. (etiqueta de Hidrocodona, Advertencia en recuadro)

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. (etiqueta de Hidrocodona e ibuprofeno, Advertencia en recuadro)

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. (etiqueta de Hidrocodona y clorfenamina, Advertencia en recuadro)

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. (etiqueta de Hidrocodona y homatropina, Advertencia en recuadro)

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. (etiqueta de Hidrocodona y paracetamol, Advertencia en recuadro)

Avoid concomitant use of cimetidine 7.9 Rifampicin Lack of efficacy of hydroxychloroquine was reported when rifampicin was concomitantly administered. (etiqueta de Hidroxicloroquina, Interacciones medicamentosas)

Ibuprofen and famotidine tablet should not be administered to patients with a history of hypersensitivity to other H 2 -receptor antagonists. (etiqueta de Ibuprofeno y famotidina, Contraindicaciones)

• Strong CYP3A4 Inhibitors: Do not administer strong CYP3A4 inhibitors with CAMPTOSAR. (etiqueta de Irinotecán, Interacciones medicamentosas)

Co-administration with eliglustat is contraindicated in poor or intermediate metabolizers of CYP2D6 and in subjects taking strong or moderate CYP2D6 inhibitors. (etiqueta de Itraconazol, Advertencia en recuadro)

…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 ) (etiqueta de Ivabradina, Contraindicaciones)

Avoid strong CYP3A4 inhibitors. (etiqueta de Lapatinib, Interacciones medicamentosas)

Strong CYP3A4 Inhibitors: Avoid coadministration of strong CYP3A4 inhibitors with VITRAKVI. (etiqueta de Larotrectinib, Interacciones medicamentosas)

Strong or moderate CYP3A inhibitors: Avoid concomitant use. (etiqueta de Lemborexant, Interacciones medicamentosas)

If concomitant use of VYVANSE with other serotonergic drugs or CYP2D6 inhibitors is clinically warranted, initiate VYVANSE with lower doses, monitor patients for the emergence of serotonin syndrome during drug initiation or titration, and inform patients of the increased risk for serotonin syndrome. (etiqueta de Lisdexanfetamina, Advertencias y precauciones)

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) ]. (etiqueta de Lomitapida, Contraindicaciones)

• Strong CYP3A Inhibitors : Avoid concomitant use; reduce LORBRENA dose if concomitant use cannot be avoided. (etiqueta de Lorlatinib, Interacciones medicamentosas)

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 ). (etiqueta de Lovastatina, Contraindicaciones)

Strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin, ritonavir, voriconazole, mibefradil, etc.) [see Drug Interactions ( 7.1 )]. (etiqueta de Lurasidona, Contraindicaciones)

Strong CYP3A4 inhibitors (ketoconazole, ritonavir) increase exposure to macitentan: avoid co-administration with OPSUMIT ( 7.2 , 12.3 ) . (etiqueta de Macitentán, Interacciones medicamentosas)

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 )]. (etiqueta de Maraviroc, Contraindicaciones)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The concomitant use of METHADOSE with all cytochrome P450 3A4, 2B6, 2C19, 2C9 or 2D6 inhibitors may result in an increase in methadone plasma concentrations, which could cause potentially fatal respiratory depression. (etiqueta de Metadona, Advertencia en recuadro)

If serotonin syndrome occurs, discontinue methamphetamine hydrochloride tablets, USP and the CYP2D6 inhibitor [see Warnings and Precautions 5.8]. (etiqueta de Metanfetamina, Interacciones medicamentosas)

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. (etiqueta de Metilergometrina, Interacciones medicamentosas)

Intervention Concomitant use of methylphenidate extended-release orally disintegrating tablets with a gastric pH modulator (i.e., a H2-blocker or a proton pump inhibitor) is not recommended. (etiqueta de Metilfenidato, Interacciones medicamentosas)

CYP2D6 Inhibitors Monitor patients closely when the combination use of CYP2D6 inhibitor and metoprolol cannot be avoided. (etiqueta de Metoprolol, Interacciones medicamentosas)

Strong CYP3A Inhibitors and Inducers: Avoid concomitant use. (etiqueta de Mitapivat, Interacciones medicamentosas)

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… (etiqueta de Naloxegol, Contraindicaciones)

Avoid use of concomitant drugs known to prolong the QT interval and strong CYP3A4 inhibitors [see Drug Interactions ( 7.1 , 7.2 )] . (etiqueta de Nilotinib, Advertencia en recuadro)

Therefore, the concomitant administration of NYMALIZE and strong CYP3A4 inhibitors should generally be avoided [ see Warnings and Precautions (5.3) ]. (etiqueta de Nimodipino, Interacciones medicamentosas)

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. (etiqueta de Nisoldipino, Interacciones medicamentosas)

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. (etiqueta de Oxicodona, Advertencia en recuadro)

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. (etiqueta de Oxicodona y paracetamol, Advertencia en recuadro)

Cimetidine Clinical Impact: Cimetidine can potentiate opioid-induced respiratory depression. (etiqueta de Oximorfona, Interacciones medicamentosas)

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. (etiqueta de Paracetamol y codeína, Advertencia en recuadro)

Strong CYP3A4 Inhibitors : Avoid coadministration of VOTRIENT with strong CYP3A4 inhibitors. (etiqueta de Pazopanib, Interacciones medicamentosas)

Cimetidine Clinical Impact: The concomitant use of cimetidine may reduce the clearance and volume of distribution of meperidine also the formation of the metabolite, normeperidine, in healthy subjects Intervention: If concomitant use cimetidine and DEMEROL Injection is necessary, monitor patients for respiratory depression and sedation at frequent intervals. (etiqueta de Petidina (meperidina), Interacciones medicamentosas)

Concomitant use of pimozide with paroxetine and other strong CYP 2D6 inhibitors is contraindicated (See PRECAUTIONS – DRUG INTERACTIONS ). (etiqueta de Pimozida, Contraindicaciones)

Use of fluvoxamine or other strong CYP1A2 inhibitors should be discontinued prior to administration of ESBRIET and avoided during ESBRIET treatment. (etiqueta de Pirfenidona, Interacciones medicamentosas)

Strong CYP1A2 Inhibitors: Avoid concomitant use of strong CYP1A2 inhibitors. (etiqueta de Pomalidomida, Interacciones medicamentosas)

Prevention or Management Avoid concomitant use of Noxafil oral suspension with cimetidine or esomeprazole unless the benefit outweighs the risks. (etiqueta de Posaconazol, Interacciones medicamentosas)

…outweighs the risks [see Warnings and Precautions ( 5.6 ) and Clinical Pharmacology ( 12.3 ).] 7.2 CYP450 inhibitors Concomitant administration of drugs that decrease the activity of drug metabolizing liver enzymes (CYP450 inhibitors), for example, cimetidine, ketoconazole, itraconazole, erythromycin, and ritonavir may increase plasma concentrations of praziquantel. (etiqueta de Praziquantel, Interacciones medicamentosas)

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. (etiqueta de Prometazina y codeína, Advertencia en recuadro)

• Avoid simultaneous use of propafenone with both a cytochrome P450 2D6 (CYP2D6) inhibitor and a 3A4 inhibitor (CYP3A4). (etiqueta de Propafenona, Advertencias y precauciones)

Fluvoxamine (strong CYP1A2 inhibitor): Increases AUC for ramelteon and should not be used in combination. (etiqueta de Ramelteón, Contraindicaciones)

• Strong CYP3A4 Inhibitors: Avoid concomitant administration. (etiqueta de Rimegepant, Interacciones medicamentosas)

Concomitant administration of Risedronate sodium delayed-release and H 2 blockers or PPIs is not recommended. (etiqueta de Risedronato, Interacciones medicamentosas)

Use with P-gp and Strong CYP3A Inhibitors or Inducers Avoid concomitant use of XARELTO with known combined P-gp and strong CYP3A inhibitors [see Drug Interactions (7.2) ] . (etiqueta de Rivaroxabán, Advertencias y precauciones)

• Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): Use not recommended. (etiqueta de Salmeterol, Interacciones medicamentosas)

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… (etiqueta de Silodosina, Contraindicaciones)

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) ] . (etiqueta de Simvastatina, Contraindicaciones)

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) ]. (etiqueta de Sirolimus, Advertencias y precauciones)

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 )] . (etiqueta de Solifenacina, Interacciones medicamentosas)

Concomitant use of JOURNAVX with strong CYP3A inhibitors is contraindicated [see Warnings and Precautions (5.1) , Drug Interactions (7.1) ] . (etiqueta de Suzetrigina, Contraindicaciones)

Tamsulosin hydrochloride capsules should be used with caution in combination with cimetidine, particularly at a dose higher than 0.4 mg (e.g., 0.8 mg) [see Drug Interactions ( 7.1 ) and Clinical Pharmacology ( 12.3 )] Tamsulosin hydrochloride capsules should not be used in combination with other alpha adrenergic blocking agents [see Drug Interactions ( 7.2 )… (etiqueta de Tamsulosina, Advertencias y precauciones)

Strong CYP1A2 inhibitors (e.g., fluvoxamine): Avoid use of HETLIOZ in combination with strong CYP1A2 inhibitors because of increased exposure ( 7.1 , 12.3 ) (etiqueta de Tasimelteón, Interacciones medicamentosas)

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 ) ] . (etiqueta de Tiotepa, Interacciones medicamentosas)

Zanaflex is contraindicated in patients taking strong CYP1A2 inhibitors [see Drug Interactions ( 7.1 )] . with a history of hypersensitivity to tizanidine or the ingredients in Zanaflex. (etiqueta de Tizanidina, Contraindicaciones)

…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… (etiqueta de Tolvaptán, Contraindicaciones)

Drugs known to prolong the QT interval and strong CYP3A4 inhibitors should be avoided [see Warnings and Precautions (5.1) ] . (etiqueta de Toremifeno, Advertencia en recuadro)

CYP3A inhibitors: Avoid concomitant strong CYP3A inhibitors ( 7.1 ) (etiqueta de Trabectedina, Interacciones medicamentosas)

The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with tramadol are complex. (etiqueta de Tramadol, Advertencia en recuadro)

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. (etiqueta de Tramadol y paracetamol, Advertencia en recuadro)

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… (etiqueta de Trazodona, Advertencias y precauciones)

• Strong CYP3A Inhibitors and Inducers: Avoid coadministration with strong CYP3A inhibitors and inducers. (etiqueta de Tretinoína, Interacciones medicamentosas)

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) ] . (etiqueta de Triazolam, Advertencias y precauciones)

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. (etiqueta de Ubrogepant, Contraindicaciones)

For patients with atopic dermatitis, coadministration of RINVOQ 30 mg once daily with strong CYP3A4 inhibitors is not recommended. (etiqueta de Upadacitinib, Interacciones medicamentosas)

Avoid concomitant use of VEPPANU with strong CYP3A inhibitors or drugs known to prolong the QTc interval. (etiqueta de Vepdegestrant, Advertencias y precauciones)

Therefore, the concomitant use of strong CYP3A inhibitors with vincristine sulfate should be avoided. (etiqueta de Vincristina, Interacciones medicamentosas)

• Strong Inhibitors of CYP2C19 : The recommended dosage is 50 mg once daily or 100 mg once daily for those patients who are not responding to 50 mg once daily. (etiqueta de Abrocitinib, Interacciones medicamentosas)

Cimetidine: Increased albendazole sulfoxide concentrations in bile and cystic fluid by about 2-fold in hydatid cyst patients. (etiqueta de Albendazol, Interacciones medicamentosas)

Drugs that reduce metformin clearance (such as ranolazine, vandetanib, dolutegravir, and cimetidine), may increase the accumulation of metformin. (etiqueta de Alogliptina y metformina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

CYP450 Inhibitors Grapefruit juice, certain fluoroquinolone and macrolide antibiotics, azole antifungals, cimetidine Increased exposure of amiodarone. (etiqueta de Amiodarona, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Impact of Other Drugs on Amlodipine CYP3A Inhibitors Co-administration with CYP3A inhibitors (moderate and strong) results in increased systemic exposure to amlodipine and may require dose reduction. (etiqueta de Amlodipino, Interacciones medicamentosas)

Impact of Other Drugs on Amlodipine CYP3A Inhibitors Co-administration with CYP3A inhibitors (moderate and strong) results in increased systemic exposure to amlodipine and may require dose reduction. (etiqueta de Amlodipino y atorvastatina, Interacciones medicamentosas)

CYP3A4 Inhibitors : Coadministration with CYP3A inhibitors (moderate and strong) results in increased systemic exposure to amlodipine and may require dose reduction. (etiqueta de Amlodipino y benazepril, Interacciones medicamentosas)

• Increased exposure of amlodipine when coadministered with CYP3A inhibitors Olmesartan medoxomil ( 7.2 ): • Nonsteroidal anti-inflammatory drugs (NSAIDS) may lead to increased risk of renal impairment and loss of antihypertensive effect. (etiqueta de Amlodipino y olmesartán, Interacciones medicamentosas)

Amlodipine Impact of Other Drugs on Amlodipine CYP3A Inhibitors Coadministration with CYP3A inhibitors (moderate and strong) results in increased systemic exposure to amlodipine and may require dose reduction. (etiqueta de Amlodipino y valsartán, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Drugs that inhibit CYP1A2 (e.g., fluvoxamine, ciprofloxacin) could increase the exposure of AGRYLIN. (etiqueta de Anagrelida, Interacciones medicamentosas)

Drug Interactions Cimetidine tablets, apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination… (etiqueta de Cimetidina, Interacciones medicamentosas)

CYP2D6 inhibitors and CYP3A4 Inhibitors : See full prescribing information for ABILIFY MAINTENA dosage modifications when used concomitantly with CYP2D6 inhibitors and/or CYP3A4 inhibitors for greater than 14 days ( 7.1 ) (etiqueta de Aripiprazol, Interacciones medicamentosas)

Reduced plasma concentrations of atazanavir are expected if proton-pump inhibitors, antacids, buffered medications, or H 2 -receptor antagonists are administered with REYATAZ [see Dosage and Administration ( 2.3 , 2.4 , 2.5 and 2.6) ] . (etiqueta de Atazanavir, Interacciones medicamentosas)

Strong CYP2D6 Inhibitors Prevention or Management With concomitant use of atomoxetine oral solution and a strong CYP2D6 inhibitor 1 , increase the titration interval [see Dosage and Administration (2.5) and Clinical Pharmacology (12.3) ] . (etiqueta de Atomoxetina, Interacciones medicamentosas)

LIPITOR plasma levels can be significantly increased with concomitant administration of inhibitors of CYP3A4 and transporters. (etiqueta de Atorvastatina, Interacciones medicamentosas)

CYP3A4/5 Inhibitors Co-administration of ketoconazole, a strong inhibitor of CYP3A4/5, increased the plasma exposure of axitinib in healthy volunteers. (etiqueta de Axitinib, Interacciones medicamentosas)

Use of Cytochrome P450 3A4 Inhibitors Ritonavir and other strong cytochrome P450 3A4 (CYP3A4) inhibitors can significantly increase plasma fluticasone propionate exposure, resulting in significantly reduced serum cortisol concentrations [see Drug Interactions ( 7.2 ) and Clinical Pharmacology ( 12.3 )] . (etiqueta de Azelastina y fluticasona, Advertencias y precauciones)

Effect of Other Drugs on Bendamustine Hydrochloride Injection CYP1A2 Inhibitors The coadministration of Bendamustine Hydrochloride Injection with CYP1A2 inhibitors may increase bendamustine plasma concentrations and may result in increased incidence of adverse reactions with Bendamustine Hydrochloride Injection [see Clinical Pharmacology (12.3) ] . (etiqueta de Bendamustina, Interacciones medicamentosas)

Drug Interactions Cimetidine tablets, apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination… (etiqueta de Cimetidina, Interacciones medicamentosas)

Strong CYP3A4 Inhibitors: Closely monitor patients with concomitant use. (etiqueta de Bortezomib, Interacciones medicamentosas)

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. (etiqueta de Brexpiprazol, Interacciones medicamentosas)

CYP2D6 inhibitors may potentiate systemic beta-blockade. (etiqueta de Brimonidina y timolol, Interacciones medicamentosas)

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… (etiqueta de Budesonida, Advertencias y precauciones)

Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir): Risk of increased systemic corticosteroid effects. (etiqueta de Budesonida y formoterol, Advertencias y precauciones)

Inhibitors of CYP3A4 Clinical Impact: The concomitant use of buprenorphine and CYP3A4 inhibitors can increase the plasma concentration of buprenorphine, resulting in increased or prolonged opioid effects, particularly when an inhibitor is added after a stable dose of buprenorphine and naloxone sublingual tablet is achieved. (etiqueta de Buprenorfina y naloxona, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Other Drugs Cimetidine: Coadministration of buspirone with cimetidine was found to increase C max (40%) and T max (2-fold), but had minimal effects on the AUC of buspirone. (etiqueta de Buspirona, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

It may be necessary to reduce the EQUETRO dose if used concomitantly with inhibitors of CYP3A4 and/or epoxide hydrolase. (etiqueta de Carbamazepina, Interacciones medicamentosas)

Clinically Significant Drug Interactions with VRAYLAR Strong or Moderate CYP3A4 Inhibitors Clinical Impact: Concomitant use of VRAYLAR with a strong or moderate CYP3A4 inhibitor increases the exposures of cariprazine and its major active metabolite, didesmethylcariprazine (DDCAR), compared to use of VRAYLAR alone [see Clinical Pharmacology ( 12.3 ) ]. (etiqueta de Cariprazina, Interacciones medicamentosas)

Co-administration of CYP2C19 inhibitors, such as omeprazole or fluvoxamine, with carisoprodol could result in increased exposure of carisoprodol and decreased exposure of meprobamate. (etiqueta de Carisoprodol, Interacciones medicamentosas)

Greater myelotoxicity (e.g., leukopenia and neutropenia) has been reported when carmustine was combined with cimetidine [see Drug Interactions (7) ] . (etiqueta de Carmustina, Advertencias y precauciones)

Cimetidine increased AUC by about 30% but caused no change in C max [see Clinical Pharmacology (12.5) ] . (etiqueta de Carvedilol, Interacciones medicamentosas)

Drug Interactions Antacids Concomitant administration of high doses of antacids (sodium bicarbonate and aluminum hydroxide) or H 2 blockers reduces peak plasma levels by 24% to 42% and the extent of absorption by 27% to 32%, respectively. (etiqueta de Cefpodoxima, Interacciones medicamentosas)

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. (etiqueta de Ciclesonida, Interacciones medicamentosas)

…Dysfunction Antibiotics Antineoplastics Antifungals Anti-inflammatory Drugs Gastrointestinal Agents Immunosuppressives Other Drugs ciprofloxacin melphalan amphotericin B azapropazon cimetidine tacrolimus fibric acid derivatives (e.g., bezafibrate, fenofibrate) gentamicin ketoconazole colchicine ranitidine methotrexate tobramycin diclofenac trimethoprim with sulfamethoxazole… (etiqueta de Ciclosporina, Interacciones medicamentosas)

Strong and moderate CYP3A4 and CYP2C19 inhibitors: Increase exposure to cilostazol. (etiqueta de Cilostazol, Interacciones medicamentosas)

Co-administration with a strong CYP3A4 inhibitor may increase serum levels of cinacalcet. (etiqueta de Cinacalcet, Interacciones medicamentosas)

Inhibitors of CYP3A4 and CYP3A5 Inhibitors of CYP3A4 and/or CYP3A5 may increase plasma concentrations of clindamycin [ see Clinical Pharmacology (12.3) ]. (etiqueta de Clindamicina, Interacciones medicamentosas)

Strong or Moderate CYP2C19 Inhibitors: Dosage adjustment of SYMPAZAN ® may be necessary ( 7.4 ) (etiqueta de Clobazam, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

• Concomitant use of Strong CYP1A2 Inhibitors: Reduce CLOZARIL dose to one-third when coadministered with strong CYP1A2 inhibitors (e.g., fluvoxamine, ciprofloxacin, enoxacin). (etiqueta de Clozapina, Interacciones medicamentosas)

Drug Interactions Cimetidine tablets, apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination… (etiqueta de Cimetidina, Interacciones medicamentosas)

…renal tubular transport systems involved in the renal elimination of metformin (e.g., organic cationic transporter-2 [OCT2]/multidrug and toxin extrusion [MATE] inhibitors, such as ranolazine, vandetanib, dolutegravir, and cimetidine) could increase systemic exposure to metformin and may increase the risk for lactic acidosis [see Clinical Pharmacology (12.3) ] . (etiqueta de Dapagliflozina y metformina, Interacciones medicamentosas)

CYP3A4 Inhibitors The systemic exposure of darifenacin from darifenacin extended-release tablets is increased in the presence of CYP3A4 inhibitors. (etiqueta de Darifenacina, Interacciones medicamentosas)

Co-administration of darunavir and ritonavir and other drugs that inhibit CYP3A, or P-gp may decrease the clearance of darunavir and ritonavir and may result in increased plasma concentrations of darunavir and ritonavir (see Table 10 ). (etiqueta de Darunavir, Interacciones medicamentosas)

Co-administration of PREZCOBIX or PREZCOBIX PED and other drugs that inhibit CYP3A may result in increased plasma concentrations of darunavir and cobicistat (see Table 2 ). (etiqueta de Darunavir y cobicistat, Interacciones medicamentosas)

Moderate or strong CYP3A4 inhibitors: Give one third of the recommended dosage of EMFLAZA ( 7.1 ) (etiqueta de Deflazacort, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

CYP3A4 inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice, or ketoconazole may increase plasma hormone concentrations. (etiqueta de Desogestrel y etinilestradiol, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Concomitant use of strong CYP2D6 inhibitors: Maximum recommended dose of AUSTEDO XR or AUSTEDO is 36 mg per day ( 2.3 , 7.1 ) (etiqueta de Deutetrabenazina, Interacciones medicamentosas)

CYP2C19 or CYP3A4 Inhibitors Clinical Impact: Increased exposure of dexlansoprazole is expected when used concomitantly with strong inhibitors [see Clinical Pharmacology (12.3) ] . (etiqueta de Dexlansoprazol, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Co-administration of PIFELTRO and drugs that are inhibitors of CYP3A may result in increased plasma concentrations of doravirine. (etiqueta de Doravirina, Interacciones medicamentosas)

CYP2D6 inhibitors may potentiate systemic beta-blockade. (etiqueta de Dorzolamida y timolol, Interacciones medicamentosas)

Cimetidine: In healthy volunteers, the administration of a single 1 mg dose of doxazosin on day 1 of a four-day regimen of oral cimetidine (400 mg twice daily) resulted in a 10% increase in mean AUC of doxazosin, and a slight but not significant increase in mean C max and mean half-life of doxazosin. (etiqueta de Doxazosina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

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). (etiqueta de Dronabinol, Interacciones medicamentosas)

Effects of Other Drugs on Dronedarone Ketoconazole and Other Potent CYP3A Inhibitors Concomitant use of ketoconazole as well as other potent CYP3A inhibitors such as itraconazole, voriconazole, ritonavir, clarithromycin, and nefazodone is contraindicated because exposure to dronedarone is significantly increased [see Contraindications (4) , Clinical Pharmacology… (etiqueta de Dronedarona, Interacciones medicamentosas)

Consider monitoring serum potassium concentration in high-risk patients who take a strong CYP3A4 inhibitor long-term and concomitantly. (etiqueta de Drospirenona y etinilestradiol, Advertencias y precauciones)

Drug Interactions Cimetidine tablets, apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination… (etiqueta de Cimetidina, Interacciones medicamentosas)

Concomitant Use with CYP3A Inhibitors Exposure to elexacaftor, tezacaftor and ivacaftor are increased when used concomitantly with strong or moderate CYP3A inhibitors. (etiqueta de Elexacaftor, tezacaftor e ivacaftor, Advertencias y precauciones)

Coadministration of GENVOYA with other drugs that inhibit CYP3A may decrease the clearance and increase the plasma concentration of cobicistat. (etiqueta de Elvitegravir, cobicistat, emtricitabina y tenofovir, Interacciones medicamentosas)

…tubular transport systems involved in the renal elimination of metformin (e.g., organic cationic transporter-2 [OCT2] / multidrug and toxin extrusion [MATE] inhibitors such as ranolazine, vandetanib, dolutegravir, and cimetidine) could increase systemic exposure to metformin and may increase the risk for lactic acidosis [see Clinical Pharmacology (12.3) ] . (etiqueta de Empagliflozina y metformina, Interacciones medicamentosas)

Drug Interactions Cimetidine tablets, apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination… (etiqueta de Cimetidina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

CYP2C19 Substrates APTIOM can inhibit CYP2C19, which can cause increased plasma concentrations of drugs that are metabolized by this isoenzyme (e.g., phenytoin, clobazam, and omeprazole) [see Clinical Pharmacology ( 12.3 )]. (etiqueta de Eslicarbazepina, Interacciones medicamentosas)

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. (etiqueta de Estradiol, Interacciones medicamentosas)

…exposure at steady state. [See Clinical Pharmacology (12.3).] Substances Increasing the Systemic Exposure of COCs (enzyme inhibitors): Concomitant administration of moderate or strong CYP3A4 inhibitors like azole antifungals (for example, ketoconazole, itraconazole, voriconazole, fluconazole), verapamil, macrolides (for example, clarithromycin, erythromycin), diltiazem,… (etiqueta de Estradiol y dienogest, Interacciones medicamentosas)

Inducers and/or inhibitors of CYP3A4 may affect estrogen drug metabolism and decrease or increase the estrogen plasma concentration. (etiqueta de Estradiol y noretisterona, Interacciones medicamentosas)

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) ] . (etiqueta de Estrógenos conjugados y bazedoxifeno, Interacciones medicamentosas)

The dose of LUNESTA should be reduced in patients who are administered potent inhibitors of CYP3A4, such as ketoconazole, while taking LUNESTA. (etiqueta de Eszopiclona, Advertencias y precauciones)

Concomitant administration of strong or moderate CYP3A4 inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice, or ketoconazole may increase plasma estrogen and/or progestin concentrations. (etiqueta de Etonogestrel y etinilestradiol, Interacciones medicamentosas)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (etiqueta de Etravirina, Interacciones medicamentosas)

OCT2 Inhibitors Concurrent treatment with OCT2 inhibitors, such as cimetidine, may cause increased exposure to dalfampridine [ see Clinical Pharmacology (12.3) ]. (etiqueta de Fampridina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Cimetidine - Coadministration of felodipine with cimetidine (a non-specific CYP-450 inhibitor) resulted in an increase of approximately 50% in the AUC and the C max , of felodipine. (etiqueta de Felodipino, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

…Interactions Cimetidine tablets, apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing… (etiqueta de Cimetidina, Interacciones medicamentosas)

In healthy subjects receiving cimetidine (1 gm daily) for one week, plasma flecainide levels increased by about 30% and half-life increased by about 10%. (etiqueta de Flecainida, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Reciprocal interactions may occur with concomitant use of fomepizole and drugs that increase or inhibit the cytochrome P450 system (e.g., phenytoin, carbamazepine, cimetidine, ketoconazole), though this has not been studied. (etiqueta de Fomepizol, Interacciones medicamentosas)

Drug Interactions Cimetidine tablets, apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination… (etiqueta de Cimetidina, Interacciones medicamentosas)

Histamine H 2 -receptor antagonists: Cimetidine, famotidine, nizatidine, ranitidine a Fosamprenavir calcium: ↓ Amprenavir Fosamprenavir calcium/ritonavir: Interaction not evaluated Use with caution. (etiqueta de Fosamprenavir, Interacciones medicamentosas)

…Azoles Fluconazole, ketoconazole, itraconazole, miconazole, voriconazole Antineoplastic agents Capecitabine, fluorouracil Antidepressants Fluoxetine, fluvoxamine, sertraline Gastric acid reducing agents H 2 antagonists (cimetidine), omeprazole Sulfonamides Sulfamethizole, sulfaphenazole, sulfadiazine, sulfamethoxazole-trimethoprim Other Acute alcohol intake, amiodarone,… (etiqueta de Fosfenitoína, Interacciones medicamentosas)

In separate single or multiple dose pharmacokinetic interaction studies with chlorthalidone, nifedipine, propranolol, hydrochlorothiazide, cimetidine, metoclopramide, propantheline, digoxin, and warfarin, the bioavailability of fosinoprilat was not altered by coadministration of fosinopril with any one of these drugs. (etiqueta de Fosinopril, Interacciones medicamentosas)

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (etiqueta de Gefitinib, Interacciones medicamentosas)

Drugs that reduce metformin clearance (such as ranolazine, vandetanib, dolutegravir, and cimetidine) may increase the accumulation of metformin. (etiqueta de Glibenclamida y metformina, Interacciones medicamentosas)

…glimepiride, increasing the susceptibility to and/or intensity of hypoglycemia: oral anti-diabetic medications, pramlintide acetate, insulin, angiotensin converting enzyme (ACE) inhibitors, H 2 receptor antagonists, fibrates, propoxyphene, pentoxifylline, somatostatin analogs, anabolic steroids and androgens, cyclophosphamide, phenyramidol, guanethidine, fluconazole, sulfinpyrazone,… (etiqueta de Glimepirida, Interacciones medicamentosas)

…angiotensin II receptor blocking agents, disopyramide, fibrates, fluoxetine, monoamine oxidase inhibitors, pentoxifylline, pramlintide, propoxyphene, salicylates, somatostatin analogs (e.g., octreotide), sulfonamide antibiotics, nonsteroidal anti-inflammatory agents, chloramphenicol, probenecid, coumarins, voriconazole, H2 receptor antagonists, and quinolones. (etiqueta de Glipizida, Interacciones medicamentosas)

…drugs that interfere with common renal tubular transport systems involved in the renal elimination of metformin (e.g., organic cationic transporter-2 [OCT2] / multidrug and toxin extrusion [MATE] inhibitors such as ranolazine, vandetanib, dolutegravir, and cimetidine) could increase systemic exposure to metformin and may increase the risk for lactic acidosis. (etiqueta de Glipizida y metformina, Precauciones)

…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… (etiqueta de Guanfacina, Interacciones medicamentosas)

The effect of CYP3A4 inhibition and of decreased CYP2D6 enzyme may be additive. (etiqueta de Haloperidol, Interacciones medicamentosas)

Drug Interactions Cimetidine tablets, apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination… (etiqueta de Cimetidina, Interacciones medicamentosas)

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. (etiqueta de Hidrocortisona, Interacciones medicamentosas)

H2 Blockers In healthy volunteers, co-administration with ranitidine resulted in a 20% increased bioavailability of ibandronate, which was not considered to be clinically relevant (see CLINICAL PHARMACOLOGY [12.3] ) . (etiqueta de Ibandronato, Interacciones medicamentosas)

• CYP3A4 Inhibitors: Use in combination with CYP3A4 inhibitors could decrease the effectiveness of ifosfamide. (etiqueta de Ifosfamida, Interacciones medicamentosas)

The dose of FANAPT should be reduced in patients co-administered a strong CYP2D6 or CYP3A4 inhibitor. (etiqueta de Iloperidona, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Cimetidine: In a study in healthy volunteers, a one-week course of cimetidine at 400 mg b.i.d. with a single 5 mg dose of isradipine on the sixth day showed an increase in isradipine mean peak plasma concentrations (36%) and significant increase in area under the curve (50%). (etiqueta de Isradipino, Interacciones medicamentosas)

Potential for other drugs to affect ivacaftor CYP3A inhibitors: Reduce KALYDECO dosage in patients aged 6 months and older when co-administered with strong CYP3A inhibitors (e.g., ketoconazole) or moderate CYP3A inhibitors (e.g., fluconazole). (etiqueta de Ivacaftor, Interacciones medicamentosas)

Drugs that may decrease ketoconazole plasma concentrations Drugs that reduce the gastric acidity (e.g., acid neutralizing medicines such as aluminum hydroxide, or acid secretion suppressors such as H 2 -receptor antagonists and proton pump inhibitors) impair the absorption of ketoconazole from ketoconazole tablets. (etiqueta de Ketoconazol, Interacciones medicamentosas)

Strong CYP3A4 or CYP2C9 Inhibitors Patients with renal or hepatic impairment who are taking strong inhibitors of CYP3A4 and CYP2C9 may have a significant increase in exposure to VIMPAT. (etiqueta de Lacosamida, Interacciones medicamentosas)

CYP2C19 or CYP3A4 Inhibitors Clinical Impact: Increased exposure of lansoprazole is expected when used concomitantly with strong inhibitors [see Clinical Pharmacology (12.3) ] . (etiqueta de Lansoprazol, Interacciones medicamentosas)

Concomitant Drug Class: Drug Name Effect on Concentration ↓ = decrease, ↑ = increase Clinical Comment tenofovir DF = tenofovir disoproxil fumarate Acid Reducing Agents: ↓ ledipasvir Ledipasvir solubility decreases as pH increases. (etiqueta de Ledipasvir y sofosbuvir, Interacciones medicamentosas)

In patients taking ARAVA, exposure of drugs which are OAT3 substrates (e.g., cefaclor, cimetidine, ciprofloxacin, penicillin G, ketoprofen, furosemide, methotrexate, zidovudine) may be increased. (etiqueta de Leflunomida, Interacciones medicamentosas)

However, these changes do not warrant dosage adjustment for Levofloxacin in 5% Dextrose Injection when probenecid or cimetidine is co-administered. (etiqueta de Levofloxacino, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

CYP3A inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice The effect of grapefruit juice on CYP3A4 enzymes (e.g., strong vs. moderate inhibition) depends on its brand, concentration, and preparation. , or ketoconazole may increase systemic exposure of the estrogen and/or progestin component of CHCs. (etiqueta de Levonorgestrel y etinilestradiol, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

…tubular transport systems involved in the renal elimination of metformin (e.g., organic cationic transporter-2 [OCT2] / multidrug and toxin extrusion [MATE] inhibitors such as ranolazine, vandetanib, dolutegravir, and cimetidine) could increase systemic exposure to metformin and may increase the risk for lactic acidosis [see Clinical Pharmacology (12.3) ] . (etiqueta de Linagliptina y metformina, Interacciones medicamentosas)

CYP2D6 Inhibitors : Concomitant use of paroxetine resulted in increased plasma levels of Lofexidine tablets. (etiqueta de Lofexidina, Interacciones medicamentosas)

Drug Interactions Effects of Other Drugs on Loperamide Concomitant use of loperamide hydrochloride capsules with inhibitors of CYP3A4 (e.g., itraconazole) or CYP2C8 (e.g., gemfibrozil) or inhibitors of P-glycoprotein (e.g., quinidine, ritonavir) can increase exposure to loperamide. (etiqueta de Loperamida, Interacciones medicamentosas)

Potential for KALETRA to Affect Other Drugs Lopinavir/ritonavir is an inhibitor of CYP3A and may increase plasma concentrations of agents that are primarily metabolized by CYP3A. (etiqueta de Lopinavir y ritonavir, Interacciones medicamentosas)

Strong CYP3A4 inhibitors: Recommended dosage is 10.5 mg once daily. (etiqueta de Lumateperona, Interacciones medicamentosas)

Ketoconazole (Potent Inhibitor of CYP3A4) Coadministration of a single 500 mg oral dose of mefloquine with 400 mg of ketoconazole once daily for 10 days in 8 healthy volunteers resulted in an increase in the mean C max and AUC of mefloquine by 64% and 79%, respectively, and an increase in the mean elimination half-life of mefloquine from 322 hours to 448 hours. (etiqueta de Mefloquina, Interacciones medicamentosas)

Drugs that reduce metformin clearance (such as ranolazine, vandetanib, dolutegravir, and cimetidine) may increase the accumulation of metformin. (etiqueta de Metformina, Interacciones medicamentosas)

• Strong CYP2D6 inhibitors (e.g., quinidine, bupropion, fluoxetine, and paroxetine) : See Full Prescribing Information for recommended dosage reductions. (etiqueta de Metoclopramida, Interacciones medicamentosas)

CYP2D6 inhibitors: Increased metoprolol concentration. (etiqueta de Metoprolol e hidroclorotiazida, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Concurrent administration of cimetidine and mexiletine has been reported to increase, decrease, or leave unchanged mexiletine plasma levels; therefore patients should be followed carefully during concurrent therapy. (etiqueta de Mexiletina, Interacciones medicamentosas)

The effect of single oral doses of 800 mg cimetidine and 300 mg ranitidine on steady-state concentrations of midazolam was examined in a randomized crossover study (n=8). (etiqueta de Midazolam, Interacciones medicamentosas)

…mifepristone is contraindicated. [See Contraindications (4.3)] 5.6 Use of Strong CYP3A Inhibitors Mifepristone should be used with caution in patients taking ketoconazole and other strong inhibitors of CYP3A, such as itraconazole, nefazodone, ritonavir, nelfinavir, indinavir, atazanavir, amprenavir, fosamprenavir, clarithromycin, conivaptan, lopinavir/ritonavir, posaconazole,… (etiqueta de Mifepristona, Advertencias y precauciones)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir): Risk of increased systemic corticosteroid effects. (etiqueta de Mometasona, Advertencias y precauciones)

Intervention: Evaluate patients for increased respiratory and CNS depression when Morphine Sulfate Oral Solution is used concomitantly with cimetidine. (etiqueta de Morfina, Interacciones medicamentosas)

Anaphylactic Shock and Hypersensitivity Reactions: Premedicate all patients with a combination of an H1-antihistamine, an H2 blocker, and a leukotriene inhibitor prior to each APHEXDA dose. (etiqueta de Motixafortida, Advertencias y precauciones)

Moderate (e.g., fluconazole, atazanavir, aprepitant, diltiazem, erythromycin) and Strong (e.g., itraconazole, ketoconazole, clarithromycin, ritonavir, saquinavir) CYP3A Inhibitors Clinical Impact Increase in plasma naldemedine concentrations [see Clinical Pharmacology (12.3) ] Intervention Monitor for potential naldemedine-related adverse reactions [see Adverse… (etiqueta de Naldemedina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

CYP2C19 or CYP3A4 Inhibitors Clinical Impact : Increased exposure of esomeprazole [see Clinical Pharmacology (12.3) ]. (etiqueta de Naproxeno y esomeprazol, Interacciones medicamentosas)

Use with CYP2D6 Inhibitors Nebivolol exposure increases with inhibition of CYP2D6 [see Drug Interactions ( 7 ) ] . (etiqueta de Nebivolol, Advertencias y precauciones)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

• Cimetidine increases oral nicardipine plasma levels. (etiqueta de Nicardipino, Interacciones medicamentosas)

…tablets, apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these… (etiqueta de Cimetidina, Interacciones medicamentosas)

Coadministration of P-gp and CYP3A4 inhibitors may increase nintedanib exposure. (etiqueta de Nintedanib, Interacciones medicamentosas)

CYP3A4 inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice, or ketoconazole may increase plasma hormone concentrations. (etiqueta de Norelgestromina y etinilestradiol, Interacciones medicamentosas)

Substances increasing the systemic concentrations of HCs: Co-administration of certain HCs and strong or moderate CYP3A4 inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice, or ketoconazole may increase the systemic concentrations of progestins, including norethindrone. (etiqueta de Noretisterona, Interacciones medicamentosas)

CYP3A4 inhibitors such as itraconazole or ketoconazole may increase plasma hormone levels. (etiqueta de Noretisterona y etinilestradiol, Interacciones medicamentosas)

CYP3A4 inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice, or ketoconazole may increase plasma hormone concentrations. (etiqueta de Norgestimato y etinilestradiol, Interacciones medicamentosas)

Concomitant administration of CYP3A4 inhibitors such as itraconazole, fluconazole, grapefruit juice or ketoconazole may increase plasma hormone concentrations. (etiqueta de Norgestrel y etinilestradiol, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Proton Pump Inhibitors, H2-receptor Antagonists, or Antacids: may decrease bioavailability of MYCAPSSA and the MYCAPSSA dose may need to be increased (‎ 7 ). (etiqueta de Octreotida, Interacciones medicamentosas)

Inhibitors of CYP1A2 Fluvoxamine: Fluvoxamine, a CYP1A2 inhibitor, decreases the clearance of olanzapine. (etiqueta de Olanzapina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Risk of Use in Patients with Decreased Cytochrome P450 2D6 Function or Concomitant Use or Discontinuation with Cytochrome P450 3A4 Inhibitors and Inducers Risk of Increased Oliceridine Plasma Concentrations Increased plasma concentrations of oliceridine, which may result in prolonged opioid adverse reactions and exacerbated respiratory depression, may occur when… (etiqueta de Oliceridina, Advertencias y precauciones)

• Increased amlodipine exposure when coadministered with CYP3A inhibitors Hydrochlorothiazide ( 7.3 ): • Antidiabetic drugs: Dosage adjustment of antidiabetic may be required. (etiqueta de Olmesartán, amlodipino e hidroclorotiazida, Interacciones medicamentosas)

Concomitant administration of CYP3A4 inhibitors may inhibit the metabolism of, and increase the mometasone furoate plasma concentration and potentially increase the risk for adverse reactions. (etiqueta de Olopatadina y mometasona, Interacciones medicamentosas)

CYP2C19 or CYP3A4 Inhibitors Clinical Impact: Increased exposure of omeprazole [see Clinical Pharmacology ( 12.3 )] . (etiqueta de Omeprazol, Interacciones medicamentosas)

CYP2C19 or CYP3A4 Inhibitors Clinical Impact: Increased exposure of omeprazole [see Clinical Pharmacology ( 12.3 )] . (etiqueta de Omeprazol y bicarbonato de sodio, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Co-administration with strong cytochrome P450 (CYP) 3A4 inhibitors (e.g., ketoconazole) increases the systemic exposure of oxybutynin. (etiqueta de Oxibutinina, Interacciones medicamentosas)

Exposure of Paricalcitol Injection will increase upon coadministration with strong CYP3A inhibitors [see Clinical Pharmacology (12.3) ] . (etiqueta de Paricalcitol, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Strong CYP3A4 Inhibitors: Reduce NUPLAZID dose to 10 mg once daily. (etiqueta de Pimavanserina, Interacciones medicamentosas)

…tablets, increasing the susceptibility to and/or intensity of hypoglycemia: oral anti-diabetic medications, pramlintide acetate, insulin, angiotensin converting enzyme (ACE) inhibitors, H2 receptor antagonists, fibrates, propoxyphene, pentoxifylline, somatostatin analogs, anabolic steroids and androgens, cyclophosphamide, phenyramidol, guanethidine, fluconazole, sulfinpyrazone,… (etiqueta de Pioglitazona y glimepirida, Interacciones medicamentosas)

Drugs that reduce metformin clearance (such as ranolazine, vandetanib, dolutegravir, and cimetidine), may increase the accumulation of metformin. (etiqueta de Pioglitazona y metformina, Interacciones medicamentosas)

Strong CYP2D6 Inhibitors: Increased exposure of WAKIX; reduce the maximum recommended dose of WAKIX by half ( 2.6 , 7.1 ) (etiqueta de Pitolisant, Interacciones medicamentosas)

…develop drowsiness and specifically ask about factors that may increase the risk for somnolence with pramipexole dihydrochloride tablets such as the use of concomitant sedating medications or alcohol, the presence of sleep disorders, and concomitant medications that increase pramipexole plasma levels (e.g., cimetidine) [ see Clinical Pharmacology ( 12.3 ) ]. (etiqueta de Pramipexol, Advertencias y precauciones)

CYP 3A4 inhibitors (e.g., ketoconazole, macrolide antibiotics): Ketoconazole has been reported to decrease the metabolism of certain corticosteroids by up to 60% leading to an increased risk of corticosteroid side effects. (etiqueta de Prednisolona, Interacciones medicamentosas)

CYP 3A4 Inhibitors (e.g., Ketoconazole, Macrolide Antibiotics) Ketoconazole has been reported to decrease the metabolism of certain corticosteroids by up to 60% leading to increased risk of corticosteroid side effects. (etiqueta de Prednisona, Interacciones medicamentosas)

Effects of Other Drugs on the Pharmacokinetics of Primaquine Strong CYP2D6 Inhibitors Published clinical and non-clinical reports indicate reduced CYP2D6 activity may decrease the formation of active metabolites of primaquine, which may reduce antimalarial efficacy of Primaquine phosphate Tablets (see CLINICAL PHARMACOLOGY, Pharmacogenomics ). (etiqueta de Primaquina, Interacciones medicamentosas)

…Cimetidine tablets, apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood… (etiqueta de Cimetidina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

• Concomitant use of strong CYP3A4 inhibitors: Reduce quetiapine dose to one‑sixth when coadministered with strong CYP3A4 inhibitors (e.g., ketoconazole, ritonavir) ( 2.5 , 7.1 , 12.3 ) (etiqueta de Quetiapina, Interacciones medicamentosas)

By pharmacokinetic mechanisms that are not well understood, quinidine levels are increased by coadministration of amiodarone or cimetidine . (etiqueta de Quinidina, Interacciones medicamentosas)

Histamine H 2 -Receptor Blockers [Cimetidine, Ranitidine (Nonspecific CYP450 Inhibitors)] In healthy subjects who were given a single oral 600 mg dose of quinine sulfate after pretreatment with cimetidine (200 mg three times daily and 400 mg at bedtime for 7 days) or ranitidine (150 mg twice daily for 7 days), the apparent oral clearance of quinine decreased… (etiqueta de Quinina, Interacciones medicamentosas)

Ciprofloxacin or Other CYP1A2 Inhibitors Rasagiline plasma concentrations may increase up to 2 fold in patients using concomitant ciprofloxacin and other CYP1A2 inhibitors. (etiqueta de Rasagilina, Advertencias y precauciones)

CYP2C8 and CYP3A4 Inhibitors Intervention: Repaglinide tablets dose reductions and increased frequency of glucose monitoring may be required when co‑administered. (etiqueta de Repaglinida, Interacciones medicamentosas)

Effect of Other Drugs on Rifabutin Pharmacokinetics Some drugs that inhibit CYP3A may significantly increase the plasma concentration of rifabutin. (etiqueta de Rifabutina, Interacciones medicamentosas)

Coadministration of EDURANT or EDURANT PED and drugs that inhibit CYP3A may result in increased plasma concentrations of rilpivirine. (etiqueta de Rilpivirina, Interacciones medicamentosas)

Strong to moderate CYP1A2 inhibitors: Co-administration may increase TIGLUTIK-associated adverse reactions ( 7.1 ) (etiqueta de Riluzol, Interacciones medicamentosas)

Cimetidine and ranitidine increase the bioavailability of risperidone. (etiqueta de Risperidona, Interacciones medicamentosas)

Use with inhibitors of CYP3A4 or dual inhibitors of CYP3A4 and CYP1A2 (e.g., erythromycin, ketoconazole, fluvoxamine, enoxacin, cimetidine) will increase roflumilast systemic exposure and may result in increased adverse reactions. (etiqueta de Roflumilast, Interacciones medicamentosas)

• Monitor for toxicities related to increased romidepsin exposure when co-administering romidepsin with strong CYP3A4 inhibitors ( 7.2 ). (etiqueta de Romidepsina, Interacciones medicamentosas)

Therefore, if therapy with a drug known to be a potent inducer or inhibitor of CYP1A2 is stopped or started during treatment with ropinirole, adjustment of the dose of ropinirole may be required. (etiqueta de Ropinirol, Interacciones medicamentosas)

In vivo, the plasma clearance of ropivacaine was reduced by 70% during coadministration of fluvoxamine (25 mg bid for 2 days), a selective and potent CYP1A2 inhibitor. (etiqueta de Ropivacaína, Interacciones medicamentosas)

Strong CYP3A4 Inhibitors: Reduce, interrupt, or discontinue JAKAFI/JAKAFI XR doses as recommended except in patients with acute or chronic graft-versus-host-disease. (etiqueta de Ruxolitinib, Interacciones medicamentosas)

Strong Inhibitors of CYP3A4/5 Enzymes Ketoconazole significantly increased saxagliptin exposure. (etiqueta de Saxagliptina, Interacciones medicamentosas)

…renal tubular transport systems involved in the renal elimination of metformin (e.g., organic cationic transporter-2 [OCT2]/multidrug and toxin extrusion [MATE] inhibitors such as ranolazine, vandetanib, dolutegravir, and cimetidine) could increase systemic exposure to metformin and may increase the risk for lactic acidosis [ see Clinical Pharmacology (12.3) ]. (etiqueta de Saxagliptina y metformina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

CYP3A4 inhibitors (e.g., ritonavir, ketoconazole, itraconazole, erythromycin) increase SILDENAFIL ORAL FILM exposure. (etiqueta de Sildenafilo, Interacciones medicamentosas)

Drugs that reduce metformin clearance (such as ranolazine, vandetanib, dolutegravir, and cimetidine) may increase the accumulation of metformin. (etiqueta de Sitagliptina y metformina, Interacciones medicamentosas)

Clinical Effect/Recommendation Acid Reducing Agents: ↓ velpatasvir Velpatasvir solubility decreases as pH increases. (etiqueta de Sofosbuvir y velpatasvir, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Drug Interactions Some studies have shown that simultaneous sucralfate administration in healthy volunteers reduced the extent of absorption (bioavailability) of single doses of the following: cimetidine, digoxin, fluoroquinolone antibiotics, ketoconazole, l-thyroxine, phenytoin, quinidine, ranitidine, tetracycline, and theophylline. (etiqueta de Sucralfato, Interacciones medicamentosas)

Monitor QT interval more frequently when SUTENT is concomitantly administered with strong CYP3A4 inhibitors or drugs known to prolong QT interval. (etiqueta de Sunitinib, Advertencias y precauciones)

The risk for nephrotoxicity may increase when ASTAGRAF XL is concomitantly administered with CYP3A inhibitors (by increasing tacrolimus whole blood concentrations) or drugs associated with nephrotoxicity (e.g., aminoglycosides, ganciclovir, amphotericin B, cisplatin, nucleotide reverse transcriptase inhibitors, protease inhibitors). (etiqueta de Tacrolimus, Advertencias y precauciones)

…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 )] . (etiqueta de Tadalafilo, Advertencias y precauciones)

CYP3A4 Inhibitors Co-administration of a 180 mg daily dose of diltiazem with 5 mg amlodipine in elderly hypertensive patients resulted in a 60% increase in amlodipine systemic exposure. (etiqueta de Telmisartán y amlodipino, Interacciones medicamentosas)

The pharmacokinetic profile of temazepam does not appear to be altered by orally administered cimetidine dosed according to labeling. (etiqueta de Temazepam, Interacciones medicamentosas)

…physician, treatment may be resumed with the administration of an H 1 -receptor antagonist (such as diphenhydramine), if not previously administered [see Dosage and Administration (2.2) ] , and/or an H 2 -receptor antagonist (such as intravenous famotidine 20 mg or intravenous ranitidine 50 mg) approximately 30 minutes before restarting the TORISEL infusion. (etiqueta de Temsirolimus, Advertencias y precauciones)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Terbinafine clearance is increased 100% by rifampin, a CYP450 enzyme inducer, and decreased 33% by cimetidine, a CYP450 enzyme inhibitor. (etiqueta de Terbinafina, Interacciones medicamentosas)

In patients taking AUBAGIO, exposure of drugs which are OAT3 substrates (e.g., cefaclor, cimetidine, ciprofloxacin, penicillin G, ketoprofen, furosemide, methotrexate, zidovudine) may be increased. (etiqueta de Teriflunomida, Interacciones medicamentosas)

• Do not exceed 50 mg/day and the maximum single dose should not exceed 25 mg if administered in conjunction with a strong CYP2D6 inhibitor (e.g., fluoxetine, paroxetine). (etiqueta de Tetrabenazina, Advertencias y precauciones)

CYP2D6 Inhibitors Potentiated systemic beta-blockade (e.g., decreased heart rate) has been reported during combined treatment with CYP2D6 inhibitors (e.g., quinidine) and timolol. (etiqueta de Timolol, Interacciones medicamentosas)

Simultaneous administration of drugs that inhibit the activity of liver microsomal enzymes, i.e., CYP3A4 inhibitors such as cimetidine and ketoconazole, may prolong the half-life and decrease the plasma clearance of tinidazole, increasing the plasma concentrations of tinidazole. (etiqueta de Tinidazol, Interacciones medicamentosas)

…modification of XELJANZ/XELJANZ XR is recommended [see Dosage and Administration (2) , Clinical Pharmacology, Figure 3 (12.3) ] Moderate CYP3A4 Inhibitors Concomitantly Used with Strong CYP2C19 Inhibitors (e.g., fluconazole) Clinical Impact Increased exposure to tofacitinib Intervention Dosage modification of XELJANZ/XELJANZ XR is recommended [see Dosage and Administration… (etiqueta de Tofacitinib, Interacciones medicamentosas)

Drug Interactions CYP3A4 Inhibitors Ketoconazole, an inhibitor of the drug metabolizing enzyme CYP3A4, significantly increased plasma concentrations of tolterodine when coadministered to subjects who were poor metabolizers (see CLINICAL PHARMACOLOGY, Variability in Metabolism and Drug-Drug Interactions ). (etiqueta de Tolterodina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

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. (etiqueta de Triamcinolona, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Increase in Plasma Concentrations of ella Associated with Co-Administered Drugs CYP3A4 inhibitors such as itraconazole or ketoconazole increase plasma concentrations of ella [see Pharmacokinetics (12.3) ] . (etiqueta de Ulipristal, Interacciones medicamentosas)

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,… (etiqueta de Umeclidinio y vilanterol, Advertencias y precauciones)

In patients taking a strong CYP2D6 or CYP3A4 inhibitor, or who are CYP2D6 poor metabolizers, INGREZZA and INGREZZA SPRINKLE concentrations may be higher and QT prolongation clinically significant [see Clinical Pharmacology ( 12.2 )] . (etiqueta de Valbenazina, Advertencias y precauciones)

Potential for Drug Interactions with Strong or Moderate CYP3A4 Inhibitors Concomitant administration with strong CYP3A4 inhibitors (such as ritonavir, indinavir, cobicistat, ketoconazole) or moderate CYP3A4 inhibitors (such as erythromycin) increases plasma concentrations of vardenafil. (etiqueta de Vardenafilo, Advertencias y precauciones)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

CYP2D6 Substrates Clinical Impact Viloxazine is a weak inhibitor of CYP2D6, and increases the exposure of CYP2D6 substrates when coadministered [see Clinical Pharmacology (12.3) ] . (etiqueta de Viloxazina, Interacciones medicamentosas)

Inhibitors of CYP3A4: May cause earlier onset and/or increased severity of adverse reactions ( 7.1 ) (etiqueta de Vinorelbina, Interacciones medicamentosas)

…apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination and increasing blood levels of these drugs. (etiqueta de Cimetidina, Interacciones medicamentosas)

Drug Interactions Cimetidine tablets, apparently through an effect on certain microsomal enzyme systems, has been reported to reduce the hepatic metabolism of warfarin-type anticoagulants, phenytoin, propranolol, nifedipine, chlordiazepoxide, diazepam, certain tricyclic antidepressants, lidocaine, theophylline, and metronidazole, thereby delaying elimination… (etiqueta de Cimetidina, Interacciones medicamentosas)

As zafirlukast is known to be an inhibitor of CYP3A4 in vitro , it is reasonable to employ appropriate clinical monitoring when these drugs are coadministered with zafirlukast. (etiqueta de Zafirlukast, Precauciones)

Concomitant administration of zaleplon (10 mg) and cimetidine (800 mg) produced an 85% increase in the mean C max and AUC of zaleplon. (etiqueta de Zaleplón, Interacciones medicamentosas)

Ketoconazole Ketoconazole, a potent inhibitor of CYP3A4, at a dose of 400 mg QD for 5 days, increased the AUC and C max of ziprasidone by about 35 to 40%. (etiqueta de Ziprasidona, Interacciones medicamentosas)

If cimetidine and zolmitriptan are used concomitantly, limit the maximum single dose of zolmitriptan to 2.5 mg, not to exceed 5 mg in any 24-hour period [see Dosage and Administration, ( 2.4 ) and Clinical Pharmacology ( 12.3 ) ]. (etiqueta de Zolmitriptán, Interacciones medicamentosas)

CYP3A4 Inhibitors Ketoconazole Ketoconazole, a potent CYP3A4 inhibitor, increased the exposure to and pharmacodynamic effects of zolpidem. (etiqueta de Zolpidem, Interacciones medicamentosas)

Cimetidine and Ranitidine Cimetidine and ranitidine do not affect the clearance of valproate. (etiqueta de Ácido valproico, Interacciones medicamentosas)

Other: There appears to be no pharmacokinetic interaction between acitretin and cimetidine, digoxin, or glyburide. (etiqueta de Acitretina, Interacciones medicamentosas)

Strong CYP1A2 Inhibitors (e.g., Fluvoxamine) SAPHRIS is metabolized by CYP1A2. (etiqueta de Asenapina, Interacciones medicamentosas)

Benazepril Benazepril has been used concomitantly with beta-adrenergic-blocking agents, calcium-blocking agents, cimetidine, diuretics, digoxin, hydralazine, and naproxen without evidence of clinically important adverse interactions. (etiqueta de Benazepril e hidroclorotiazida, Interacciones medicamentosas)

Drug Interactions The following drugs have been coadministered with betaxolol and have not altered its pharmacokinetics: cimetidine, nifedipine, chlorthalidone, and hydrochlorothiazide. (etiqueta de Betaxolol, Interacciones medicamentosas)

Drug Interactions Antacids The extent of absorption of cefaclor extended-release tablets is diminished if magnesium or aluminum hydroxide-containing antacids are taken within 1 hour of administration; H 2 blockers do not alter either the rate or the extent of absorption of cefaclor extended-release tablets. (etiqueta de Cefaclor, Interacciones medicamentosas)

CYP2D6 substrates Clinical Impact: In vitro studies indicate that celecoxib, although not a substrate, is an inhibitor of CYP2D6. (etiqueta de Celecoxib, Interacciones medicamentosas)

Drugs which inhibit CYP2D6 and CYP3A3/4 also inhibit the metabolism of cevimeline. (etiqueta de Cevimelina, Interacciones medicamentosas)

Clarithromycin and other macrolides are known to inhibit CYP3A and Pgp. (etiqueta de Claritromicina, Interacciones medicamentosas)

The selective serotonin reuptake inhibitors sertraline (weak CYP3A4 inducer) and fluoxetine (CYP2D6 inhibitor), and the anti-epileptic drug felbamate (CYP2C19 inhibitor and CYP3A4 inducer) do not affect the pharmacokinetics of clonazepam. (etiqueta de Clonazepam, Interacciones medicamentosas)

Although potent inhibitors of cytochrome P450 3A4 (e.g., ketoconazole) have not been studied clinically, in vitro studies have shown that erythromycin and oleandomycin inhibit the metabolism of disopyramide. (etiqueta de Disopiramida, Interacciones medicamentosas)

The effect of potent CYP3A4 inhibitors on dutasteride has not been studied. (etiqueta de Dutasterida, Interacciones medicamentosas)

TAF is a weak inhibitor of CYP3A in vitro . (etiqueta de Emtricitabina y tenofovir, Interacciones medicamentosas)

Effects of Other Drugs on HALAVEN No drug-drug interactions are expected with CYP3A4 inhibitors, CYP3A4 inducers or P-glycoprotein (P-gp) inhibitors. (etiqueta de Eribulina, Interacciones medicamentosas)

Clinical interaction studies of famciclovir with cimetidine and promethazine, in vitro inhibitors of aldehyde oxidase, did not show relevant effects on the formation of penciclovir. (etiqueta de Famciclovir, Interacciones medicamentosas)

Other The bioavailability of unbound fosinoprilat is not altered by coadministration of fosinopril with aspirin, chlorthalidone, cimetidine, digoxin, metoclopramide, nifedipine, propranolol, propantheline, or warfarin . (etiqueta de Fosinopril e hidroclorotiazida, Interacciones medicamentosas)

Cimetidine In the presence of cimetidine at 300 mg four times a day (N=12), the mean apparent oral clearance of gabapentin fell by 14% and creatinine clearance fell by 10%. (etiqueta de Gabapentina, Interacciones medicamentosas)

(E) In vitro studies of CYP enzymes, UGTA enzymes and OATP1B1 transporter In vitro studies have shown that gemfibrozil is an inhibitor of CYP1A2, CYP2C8, CYP2C9, CYP2C19, OATP1B1, and UDP-glucuronosyltransferase (UGT) 1A1 and 1A3 (see WARNINGS ). (etiqueta de Gemfibrozilo, Interacciones medicamentosas)

Los medicamentos que reducen la acidez disminuyen el ácido del estómago y pueden reducir la cantidad de hierro que se absorbe de los suplementos y de los alimentos. (NIH Office of Dietary Supplements, Iron)

Effect of SUNLENCA on Other Drugs Lenacapavir is a moderate inhibitor of CYP3A. (etiqueta de Lenacapavir, Interacciones medicamentosas)

Antipyrine, Azithromycin, Cimetidine, Erythromycin, Ketoconazole, Theophylline, and Pseudoephedrine Pharmacokinetic interaction studies performed with racemic cetirizine demonstrated that cetirizine did not interact with antipyrine, pseudoephedrine, erythromycin, azithromycin, ketoconazole, and cimetidine. (etiqueta de Levocetirizina, Interacciones medicamentosas)

• CYP2D6 inhibitors: As meclizine is metabolized by CYP2D6, there is a potential for drug-drug interactions between meclizine hydrochloride and CYP2D6 inhibitors ( 7.2 ). (etiqueta de Meclozina, Interacciones medicamentosas)

Effect of Other Drugs on the Metabolism of Donepezil Inhibitors of CYP3A4 (e.g., ketoconazole) and CYP2D6 (e.g., quinidine), inhibit donepezil metabolism in vitro . (etiqueta de Memantina y donepezilo, Interacciones medicamentosas)

…for Drug Interaction: It appears possible, although there is no supporting experimental evidence, that the high renal clearance of desglymidodrine (a base) is due to active tubular secretion by the base-secreting system also responsible for the secretion of such drugs as metformin, cimetidine, ranitidine, procainamide, triamterene, flecainide, and quinidine. (etiqueta de Midodrina, Precauciones)

Moexipril hydrochloride has been used in clinical trials concomitantly with calcium-channel-blocking agents, diuretics, H 2 blockers, digoxin, oral hypoglycemic agents, and cholesterol-lowering agents. (etiqueta de Moexipril, Interacciones medicamentosas)

Potential for PAXLOVID to Affect Other Drugs PAXLOVID (nirmatrelvir co-packaged with ritonavir) is a strong inhibitor of CYP3A, and an inhibitor of CYP2D6, P-gp and OATP1B1. (etiqueta de Nirmatrelvir y ritonavir, Interacciones medicamentosas)

Cimetidine Cimetidine has demonstrated interference with the elimination of some quinolones. (etiqueta de Ofloxacino, Interacciones medicamentosas)

Some examples of such drugs are erythromycin, itraconazole, ketoconazole, fluconazole, calcium channel blockers and cimetidine. (etiqueta de Pimecrolimus, Interacciones medicamentosas)

Effient can be administered with aspirin (75 mg to 325 mg per day), heparin, GPIIb/IIIa inhibitors, statins, digoxin, and drugs that elevate gastric pH, including proton pump inhibitors and H 2 blockers [see Clinical Pharmacology (12.3) ] . (etiqueta de Prasugrel, Interacciones medicamentosas)

Effects of Other Drugs on Ranolazine Strong CYP3A Inhibitors Concomitant use of ASPRUZYO Sprinkle with strong CYP3A inhibitors, including ketoconazole, itraconazole, clarithromycin, nefazodone, nelfinavir, ritonavir, indinavir, and saquinavir is contraindicated [see Contraindications (4), Clinical Pharmacology (12.3)]. (etiqueta de Ranolazina, Interacciones medicamentosas)

Clinically Significant Interactions Affecting Other Drugs CYP3A Substrates Where Small Concentration Changes May Lead to Serious Adverse Reactions Clinical Impact Ritlecitinib is a CYP3A inhibitor. (etiqueta de Ritlecitinib, Interacciones medicamentosas)

Strong Inhibitors of CYP2D6 The impact on the efficacy of tamoxifen with co-administration of strong CYP2D6 inhibitors (e.g., paroxetine) is not well established. (etiqueta de Tamoxifeno, Interacciones medicamentosas)

Cimetidine The interaction between cimetidine and chronically administered verapamil has not been studied. (etiqueta de Verapamilo, Interacciones medicamentosas)

El tratamiento a largo plazo para reducir la acidez interfiere con la absorción de la B12 de los alimentos y puede llevar a una deficiencia. (NIH Office of Dietary Supplements, Vitamin B12)

However, no formal drug-drug interaction studies between zileuton and CYP3A4 inhibitors, such as ketaconazole, have been conducted. (etiqueta de Zileutón, Interacciones medicamentosas)

Effects of Concomitant Acid Blockers or Antibiotics A population pharmacokinetic analysis suggests that the pharmacokinetics of alvimopan were not affected by concomitant administration of acid blockers (proton pump inhibitors (PPIs), histamine-2 (H 2 ) receptor antagonists) or antibiotics. (etiqueta de Alvimopán, Interacciones medicamentosas)

Pharmacokinetic studies document no clinically relevant interactions with other agents given concomitantly, including thiazide diuretics and cimetidine. (etiqueta de Bisoprolol, Interacciones medicamentosas)

Pharmacokinetic studies document no clinically relevant interactions with other agents given concomitantly, including thiazide diuretics and cimetidine. (etiqueta de Bisoprolol e hidroclorotiazida, Precauciones)

Inhibitors of Cytochrome P450 3A4 In controlled clinical studies co-administration of desloratadine with ketoconazole, erythromycin, or azithromycin resulted in increased plasma concentrations of desloratadine and 3 hydroxydesloratadine, but there were no clinically relevant changes in the safety profile of desloratadine. [See Clinical Pharmacology (12.3) .]… (etiqueta de Desloratadina, Interacciones medicamentosas)

Cimetidine A pharmacokinetic interaction study with cimetidine (Study P004) showed no clinically significant effect on letrozole pharmacokinetics. (etiqueta de Letrozol, Interacciones medicamentosas)

Drug Interactions No clinically significant drug interactions have been found in studies of losartan potassium with hydrochlorothiazide, digoxin, warfarin, cimetidine and phenobarbital. (etiqueta de Losartán, Interacciones medicamentosas)

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. (etiqueta de Micafungina, Interacciones medicamentosas)

…Clinically Significant Drug Interaction with TAMIFLU No dose adjustments are needed for either oseltamivir or the concomitant drug when coadministering oseltamivir with amoxicillin, acetaminophen, aspirin, cimetidine, antacids (magnesium and aluminum hydroxides and calcium carbonates), rimantadine, amantadine, or warfarin [see Clinical Pharmacology (12.3) ] . (etiqueta de Oseltamivir, Interacciones medicamentosas)

Other agents Drug interaction studies of quinapril hydrochloride with other agents showed: Multiple dose therapy with propranolol or cimetidine has no effect on the pharmacokinetics of single doses of quinapril hydrochloride. (etiqueta de Quinapril, Interacciones medicamentosas)

Interaction of Tiagabine HCl with Other Drugs: Cimetidine : Co-administration of cimetidine (800 mg/day) to patients taking tiagabine chronically had no effect on tiagabine pharmacokinetics. (etiqueta de Tiagabina, Interacciones medicamentosas)

Other No clinically significant pharmacokinetic interaction has been found between trandolaprilat and food, cimetidine, digoxin, or furosemide. (etiqueta de Trandolapril, Interacciones medicamentosas)

Other HIV Protease Inhibitors (CYP3A4 Inhibition) In Vivo Studies Showed No Significant Effects of Indinavir on Voriconazole Exposure In Vitro Studies Demonstrated Potential for Inhibition of Voriconazole Metabolism (Increased Plasma Exposure) No dosage adjustment in the voriconazole dosage needed for concomitant administration with indinavir. (etiqueta de Voriconazol, Interacciones medicamentosas)