Wechselwirkungen von Nafcillin

CYP3A4 Inducers: Avoid concomitant strong CYP3A4 inducers during YONSA treatment. (Fachinformation zu Abirateron, Arzneimittelwechselwirkungen)

• CYP3A Inducers: Avoid co-administration with strong CYP3A inducers. (Fachinformation zu Acalabrutinib, Arzneimittelwechselwirkungen)

CYP3A4 Inducers : Avoid coadministration of VIJOICE with a strong CYP3A4 inducer. (Fachinformation zu Alpelisib, Arzneimittelwechselwirkungen)

AMOXIL is contraindicated in patients who have experienced a serious hypersensitivity reaction (e.g., anaphylaxis or Stevens-Johnson syndrome) to AMOXIL or to other β-lactam antibacterial drugs (e.g., penicillins and cephalosporins). (Fachinformation zu Amoxicillin, Gegenanzeigen)

History of a serious hypersensitivity reaction (e.g., anaphylaxis or Stevens-Johnson syndrome) to AUGMENTIN or to other beta‑lactams (e.g., penicillins or cephalosporins). (Fachinformation zu Amoxicillin und Clavulansäure, Gegenanzeigen)

CONTRAINDICATIONS The use of Ampicillin is contraindicated in individuals with a history of serious hypersensitivity reactions (e.g., anaphylaxis or Stevens-Johnson syndrome) to ampicillin or to other beta-lactam antibacterial drugs. (Fachinformation zu Ampicillin, Gegenanzeigen)

CONTRAINDICATIONS The use of UNASYN is contraindicated in individuals with a history of serious hypersensitivity reactions (e.g., anaphylaxis or Stevens-Johnson syndrome) to ampicillin, sulbactam or to other beta-lactam antibacterial drugs (e.g., penicillins and cephalosporins). (Fachinformation zu Ampicillin und Sulbactam, Gegenanzeigen)

• Simultaneous use of combined P-gp and strong CYP3A4 inducers reduces blood levels of apixaban: Avoid concomitant use. (Fachinformation zu Apixaban, Arzneimittelwechselwirkungen)

Drug Interactions : Use with strong cytochrome P450 enzyme inducers (e.g., rifampin, phenobarbital, carbamazepine, phenytoin) is not recommended because loss of efficacy may occur ( 5.5 , 7.1 ) (Fachinformation zu Apremilast, Warnhinweise und Vorsichtsmaßnahmen)

CYP3A4 Inducers : Avoid concomitant use for greater than 14 days ( 7.1 ) (Fachinformation zu Aripiprazol, Arzneimittelwechselwirkungen)

• when coadministered with drugs that are strong inducers of CYP3A due to the potential for loss of therapeutic effect and development of resistance. (Fachinformation zu Atazanavir, Gegenanzeigen)

Moderate CYP3A4/5 inducers (e.g., bosentan, efavirenz, etravirine, modafinil, and nafcillin) may also reduce the plasma exposure of axitinib and should be avoided if possible. (Fachinformation zu Axitinib, Arzneimittelwechselwirkungen)

Concomitant administration of BIXLENVO is contraindicated with: dofetilide due to the potential for increased dofetilide plasma concentrations and associated serious and/or life-threatening events. strong CYP3A inducers due to decreased plasma concentrations of BIC and LEN, which may result in the loss of therapeutic effect and development of resistance to BIXLENVO. (Fachinformation zu Bictegravir, Emtricitabin und Tenofoviralafenamid, Gegenanzeigen)

Drug Interactions Tetracycline, a bacteriostatic antibiotic, may antagonize the bactericidal effect of penicillin, and concurrent use of these drugs should be avoided. (Fachinformation zu Nafcillin, Arzneimittelwechselwirkungen)

Strong CYP3A4 Inducers: Avoid concomitant use. (Fachinformation zu Bortezomib, Arzneimittelwechselwirkungen)

• Strong CYP3A Inducers: Avoid concomitant use with BOSULIF. (Fachinformation zu Bosutinib, Arzneimittelwechselwirkungen)

Evaluate patients starting CYP3A4 inhibitors or stopping CYP3A4 inducers at frequent intervals for respiratory depression. (Fachinformation zu Buprenorphin, Arzneimittelwechselwirkungen)

The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (Fachinformation zu Butalbital, Acetylsalicylsäure, Koffein und Codein, Boxed Warning (umrahmter Warnhinweis))

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. (Fachinformation zu Butalbital, Paracetamol, Koffein und Codein, Boxed Warning (umrahmter Warnhinweis))

Avoid chronic co-administration of strong CYP3A4 inducers (e.g., phenytoin, carbamazepine, rifampin, rifabutin, rifapentine, phenobarbital, St. (Fachinformation zu Cabozantinib, Arzneimittelwechselwirkungen)

Intervention: Concomitant use of VRAYLAR with a CYP3A4 inducer is not recommended [see Dosage and Administration ( 2.1 , 2.6 ) ] . (Fachinformation zu Cariprazin, Arzneimittelwechselwirkungen)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

WARNINGS Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving beta-lactam antibacterial drugs. (Fachinformation zu Nafcillin, Warnhinweise)

• Concomitant use of Strong CYP3A4 Inducers is not recommended. (Fachinformation zu Clozapin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Codein, Boxed Warning (umrahmter Warnhinweis))

Moderate or Strong CYP3A4 inducers: Avoid concomitant use. (Fachinformation zu Daridorexant, Arzneimittelwechselwirkungen)

Co-administration of PREZCOBIX or PREZCOBIX PED with CYP3A inducers may lead to lower exposures of darunavir and cobicistat and potential loss of efficacy of darunavir and possible resistance. (Fachinformation zu Darunavir und Cobicistat, Gegenanzeigen)

If concomitant administration of a strong CYP3A4 inducer cannot be avoided, consider a dose increase [see Dosage and Administration ( 2.3 )] . (Fachinformation zu Dasatinib, Arzneimittelwechselwirkungen)

Avoid use of moderate or strong CYP3A4 inducers with EMFLAZA, as they may reduce efficacy ( 7.1 ) (Fachinformation zu Deflazacort, Arzneimittelwechselwirkungen)

Since bacteriostatic drugs may interfere with the bactericidal action of penicillins, it is advisable to avoid giving tetracycline-class drugs in conjunction with penicillin. (Fachinformation zu Demeclocyclin, Arzneimittelwechselwirkungen)

PIFELTRO is contraindicated when co-administered with drugs that are strong cytochrome P450 (CYP)3A enzyme inducers as significant decreases in doravirine plasma concentrations may occur, which may decrease the effectiveness of PIFELTRO [see Warnings and Precautions (5.2) , Drug Interactions (7.1) , and Clinical Pharmacology (12.3) ] . (Fachinformation zu Doravirin, Gegenanzeigen)

• Avoid concomitant use of doxorubicin hydrochloride with inhibitors and inducers of CYP3A4, CYP2D6, and/or P-gp ( 7.1 ) (Fachinformation zu Doxorubicin, Arzneimittelwechselwirkungen)

Avoid co-administration of tetracyclines with penicillin. (Fachinformation zu Doxycyclin, Arzneimittelwechselwirkungen)

• CYP3A inducers: Avoid concomitant use. (Fachinformation zu Dronedaron, Arzneimittelwechselwirkungen)

Therefore, concomitant use with strong CYP3A inducers is not recommended [see Drug Interactions (7.1) and Clinical Pharmacology (12.3) ] . (Fachinformation zu Elexacaftor, Tezacaftor und Ivacaftor, Warnhinweise und Vorsichtsmaßnahmen)

Strongly induce CYP3A, which may lead to lower exposure of one or more components and loss of efficacy of GENVOYA and possible resistance. (Fachinformation zu Elvitegravir, Cobicistat, Emtricitabin und Tenofovir, Gegenanzeigen)

INVANZ is contraindicated in patients with known hypersensitivity to any component of this product or to other drugs in the same class or in patients who have demonstrated anaphylactic reactions to beta-lactams. (Fachinformation zu Ertapenem, Gegenanzeigen)

• Concomitant use with CYP3A4 inhibitors (or discontinuation of CYP3A4 inducers) can result in a fatal overdose of fentanyl. (Fachinformation zu Fentanyl, Boxed Warning (umrahmter Warnhinweis))

Preventing or Managing DI The concomitant use of ADDYI with CYP3A4 inducers is not recommended. (Fachinformation zu Flibanserin, Arzneimittelwechselwirkungen)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentration. (Fachinformation zu Hydrocodon, Boxed Warning (umrahmter Warnhinweis))

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentration. (Fachinformation zu Hydrocodon und Chlorphenamin, Boxed Warning (umrahmter Warnhinweis))

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentration. (Fachinformation zu Hydrocodon und Homatropin, Boxed Warning (umrahmter Warnhinweis))

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentration. (Fachinformation zu Hydrocodon und Ibuprofen, Boxed Warning (umrahmter Warnhinweis))

In addition, discontinuation of a concomitantly used Cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentrations. (Fachinformation zu Hydrocodon und Paracetamol, Boxed Warning (umrahmter Warnhinweis))

Hypersensitivity Reactions: Serious and occasionally fatal hypersensitivity (anaphylactic) reactions have been reported in patients receiving therapy with beta-lactams. (Fachinformation zu Imipenem und Cilastatin, Warnhinweise und Vorsichtsmaßnahmen)

• Strong CYP3A4 Inducers: Do not administer strong CYP3A4 inducers with CAMPTOSAR. (Fachinformation zu Irinotecan, Arzneimittelwechselwirkungen)

Avoid concomitant use of CYP3A4 inducers when using Corlanor. (Fachinformation zu Ivabradin, Arzneimittelwechselwirkungen)

Therefore, administration of potent enzyme inducers of CYP3A4 with ketoconazole tablets is not recommended. (Fachinformation zu Ketoconazol, Arzneimittelwechselwirkungen)

Avoid strong CYP3A4 inducers. (Fachinformation zu Lapatinib, Arzneimittelwechselwirkungen)

Strong CYP3A4 Inducers: Avoid coadministration of strong CYP3A4 inducers with VITRAKVI. (Fachinformation zu Larotrectinib, Arzneimittelwechselwirkungen)

Strong or moderate CYP3A inducers: Avoid concomitant use. (Fachinformation zu Lemborexant, Arzneimittelwechselwirkungen)

Concomitant administration of SUNLENCA with strong CYP3A inducers is contraindicated due to decreased lenacapavir plasma concentrations, which may result in the loss of therapeutic effect and development of resistance to SUNLENCA [see Drug Interactions (7.1) ] . (Fachinformation zu Lenacapavir, Gegenanzeigen)

Effect of Other Drugs on LORBRENA Strong CYP3A Inducers LORBRENA is contraindicated in patients taking strong CYP3A inducers [see Contraindication (4) ] . (Fachinformation zu Lorlatinib, Arzneimittelwechselwirkungen)

CYP3A4 inducers: Avoid concomitant use with CAPLYTA. (Fachinformation zu Lumateperon, Arzneimittelwechselwirkungen)

Strong CYP3A4 inducers (e.g., rifampin, avasimibe, St. (Fachinformation zu Lurasidon, Gegenanzeigen)

Strong CYP3A4 inducers (rifampin) reduce exposure to macitentan: avoid co-administration with OPSUMIT ( 7.1 , 12.3 ). (Fachinformation zu Macitentan, Arzneimittelwechselwirkungen)

CYP3A inducers: Do not use mifepristone with CYP3A inducers ( 7.3 ). (Fachinformation zu Mifepriston, Arzneimittelwechselwirkungen)

Penicillin Because bacteriostatic drugs may interfere with the bactericidal action of penicillin, avoid giving EMROSI in conjunction with penicillin. (Fachinformation zu Minocyclin, Arzneimittelwechselwirkungen)

John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Fachinformation zu Naldemedin, Arzneimittelwechselwirkungen)

Strong CYP3A4 inducers (e.g., rifampin) : Decreased concentrations of naloxegol; concomitant use is not recommended. (Fachinformation zu Naloxegol, Arzneimittelwechselwirkungen)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Fachinformation zu Nifedipin, Arzneimittelwechselwirkungen)

Strong CYP3A Inducers: Avoid concomitant use with CAVHANZA. (Fachinformation zu Nilotinib, Arzneimittelwechselwirkungen)

…contraindicated with drugs that are primarily metabolized by CYP3A and for which elevated concentrations are associated with serious and/or life-threatening reactions and drugs that are strong CYP3A inducers where significantly reduced nirmatrelvir or ritonavir plasma concentrations may be associated with the potential for loss of virologic response and possible resistance. (Fachinformation zu Nirmatrelvir und Ritonavir, Gegenanzeigen)

Counsel patients to use a back-up method or alternative method of contraception when enzyme inducers are used with COCs ( 7.1 ) -- - ---------- ------ USE IN SPECIFIC POPULATIONS---- -- -- --------- ---- Lactation: Not recommended; Lo Loestrin Fe can decrease milk production ( 8.2 ) (Fachinformation zu Norethisteron und Ethinylestradiol, Arzneimittelwechselwirkungen)

If a CYP3A4 inducer is discontinued, consider OLINVYK dosage reduction and monitor for signs of respiratory depression. (Fachinformation zu Oliceridin, Arzneimittelwechselwirkungen)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in oxycodone plasma concentration. (Fachinformation zu Oxycodon, Boxed Warning (umrahmter Warnhinweis))

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in oxycodone plasma concentration. (Fachinformation zu Oxycodon und Paracetamol, Boxed Warning (umrahmter Warnhinweis))

• CYP3A Inducers: Avoid concurrent use of IBRANCE with strong CYP3A inducers. (Fachinformation zu Palbociclib, Arzneimittelwechselwirkungen)

Strong CYP3A4 and P-glycoprotein (P-gp) inducers : Avoid using a strong inducer of CYP3A4 and/or P-gp during a dosing interval for ERZOFRI. (Fachinformation zu Paliperidon, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Paracetamol und Codein, Boxed Warning (umrahmter Warnhinweis))

VOTRIENT is not recommended if chronic use of strong CYP3A4 inducers cannot be avoided. (Fachinformation zu Pazopanib, Arzneimittelwechselwirkungen)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in meperidine plasma concentration. (Fachinformation zu Pethidin, Boxed Warning (umrahmter Warnhinweis))

Strong or Moderate CYP3A4 Inducers: Avoid concomitant use of NUPLAZID. (Fachinformation zu Pimavanserin, Arzneimittelwechselwirkungen)

• Patients taking strong Cytochrome P450 3A enzyme (CYP3A) inducers, such as rifampin, [see Warnings and Precautions ( 5.6 ) and Drug Interactions ( 7.1 , 7.2 )] . (Fachinformation zu Praziquantel, Gegenanzeigen)

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. (Fachinformation zu Promethazin und Codein, Boxed Warning (umrahmter Warnhinweis))

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

• Strong and Moderate CYP3A Inducers: Avoid concomitant administration. (Fachinformation zu Rimegepant, Arzneimittelwechselwirkungen)

• Certain CYP3A inducers: Coadministration with strong inducers of CYP3A is not recommended. (Fachinformation zu Ritlecitinib, Arzneimittelwechselwirkungen)

Avoid concomitant use of XARELTO with drugs that are known combined P-gp and strong CYP3A inducers [see Drug Interactions (7.3) ] . (Fachinformation zu Rivaroxaban, Warnhinweise und Vorsichtsmaßnahmen)

• Drug Interactions: Use with strong cytochrome P450 enzyme inducers (e.g., rifampicin, phenobarbital, carbamazepine, phenytoin) is not recommended. (Fachinformation zu Roflumilast, Warnhinweise und Vorsichtsmaßnahmen)

Intervention: Avoid the use of VARUBI in patients who require chronic administration of strong CYP3A4 inducers. (Fachinformation zu Rolapitant, Arzneimittelwechselwirkungen)

• Avoid use with rifampin and strong CYP3A4 inducers ( 7.3 ). (Fachinformation zu Romidepsin, Arzneimittelwechselwirkungen)

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) ]. (Fachinformation zu Sirolimus, Warnhinweise und Vorsichtsmaßnahmen)

• Strong CYP3A Inducers: Avoid strong CYP3A4 inducers. (Fachinformation zu Sorafenib, Arzneimittelwechselwirkungen)

Inducers of CYP3A4 Strong CYP3A4 inducers should not be used with tamoxifen. (Fachinformation zu Tamoxifen, Arzneimittelwechselwirkungen)

Strong CYP3A4 inducers (e.g., rifampin): Avoid use of HETLIOZ in combination with rifampin or other CYP3A4 inducers, because of decreased exposure ( 7.2 , 12.3 ) (Fachinformation zu Tasimelteon, Arzneimittelwechselwirkungen)

Drug Interactions Tetracycline, a bacteriostatic antibiotic, may antagonize the bactericidal effect of penicillin, and concurrent use of these drugs should be avoided. (Fachinformation zu Nafcillin, Arzneimittelwechselwirkungen)

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 ) ] . (Fachinformation zu Thiotepa, Arzneimittelwechselwirkungen)

• Avoid use with strong CYP3A inhibitors or CYP3A inducers. (Fachinformation zu Ticagrelor, Arzneimittelwechselwirkungen)

Avoid concomitant use of SAMSCA with strong CYP3A inducers. (Fachinformation zu Tolvaptan, Arzneimittelwechselwirkungen)

Coadministration with a strong CYP3A4 inducer may result in a relevant decrease in FARESTON exposure and should be avoided. (Fachinformation zu Toremifen, Arzneimittelwechselwirkungen)

CYP3A inducers: Avoid concomitant strong CYP3A inducers ( 7.1 ) (Fachinformation zu Trabectedin, Arzneimittelwechselwirkungen)

The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with tramadol are complex. (Fachinformation zu Tramadol, Boxed Warning (umrahmter Warnhinweis))

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. (Fachinformation zu Tramadol und Paracetamol, Boxed Warning (umrahmter Warnhinweis))

Avoid concomitant use with strong CYP3A inducers if possible. (Fachinformation zu Tretinoin, Arzneimittelwechselwirkungen)

Strong CYP3A4 Inducers: Should be avoided as concomitant use will result in reduction of ubrogepant exposure. (Fachinformation zu Ubrogepant, Arzneimittelwechselwirkungen)

Ella should not be administered with CYP3A4 inducers [see Drug interactions (7.1) and Clinical Pharmacology (12.3) ] . (Fachinformation zu Ulipristal, Warnhinweise und Vorsichtsmaßnahmen)

Strong CYP3A4 Inducers : Coadministration of RINVOQ/RINVOQ LQ with strong CYP3A4 inducers is not recommended. (Fachinformation zu Upadacitinib, Arzneimittelwechselwirkungen)

Use of strong CYP3A4 inducers with INGREZZA or INGREZZA SPRINKLE Concomitant use is not recommended. (Fachinformation zu Valbenazin, Arzneimittelwechselwirkungen)

Strong CYP3A Inducers : Avoid concomitant use with strong CYP3A inducers. (Fachinformation zu Vepdegestrant, Arzneimittelwechselwirkungen)

John's wort, a CYP3A4 inducer, in combination with zolpidem may decrease blood levels of zolpidem and is not recommended. (Fachinformation zu Zolpidem, Arzneimittelwechselwirkungen)

• Use with CYP3A Inducers: Increase the risk of reduced efficacy of alprazolam. (Fachinformation zu Alprazolam, Arzneimittelwechselwirkungen)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (Fachinformation zu Amlodipin, Arzneimittelwechselwirkungen)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (Fachinformation zu Amlodipin und Atorvastatin, Arzneimittelwechselwirkungen)

Blood pressure should be monitored when amlodipine is coadministered with CYP3A4 inducers (e.g. rifampicin, St. (Fachinformation zu Amlodipin und Benazepril, Arzneimittelwechselwirkungen)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (Fachinformation zu Amlodipin und Olmesartan, Arzneimittelwechselwirkungen)

Blood pressure should be closely monitored when amlodipine is coadministered with CYP3A inducers (e.g. rifampicin, St. (Fachinformation zu Amlodipin und Valsartan, Arzneimittelwechselwirkungen)

Use caution when CAYSTON is administered to patients with a known allergic reaction to beta-lactams. (Fachinformation zu Aztreonam, Warnhinweise und Vorsichtsmaßnahmen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Benazepril und Hydrochlorothiazid, Warnhinweise)

Other drugs may compete with penicillin G for renal tubular secretion and thus prolong the serum half-life of penicillin. (Fachinformation zu Benzylpenicillin (Penicillin G), Arzneimittelwechselwirkungen)

Clinically Significant Interactions with Bexagliflozin Tablets UGT Enzyme Inducers Clinical Impact UGT Enzyme Inducers may significantly reduce exposure to bexagliflozin and lead to a decreased efficacy [ see Clinical Pharmacology ( 12.3 )]. (Fachinformation zu Bexagliflozin, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Bisoprolol und Hydrochlorothiazid, Warnhinweise)

Strong CYP3A4 inducers Double the recommended dosage and further adjust based on clinical response. (Fachinformation zu Brexpiprazol, Arzneimittelwechselwirkungen)

Therefore, potent inhibitors or inducers of CYP3A4 may increase or reduce the circulating levels of CYCLOSET, respectively. (Fachinformation zu Bromocriptin, Arzneimittelwechselwirkungen)

Examples: Macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g. ketoconazole), protease inhibitors (e.g., ritonavir) CYP3A4 Inducers Clinical Impact: The concomitant use of buprenorphine and CYP3A4 inducers can decrease the plasma concentration of buprenorphine [see Clinical Pharmacology (12.3) ] , potentially resulting in decreased efficacy… (Fachinformation zu Buprenorphin und Naloxon, Arzneimittelwechselwirkungen)

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

Table 7: Clinically Significant Drug Interactions with INVOKANA UGT Enzyme Inducers Clinical Impact: UGT enzyme inducers decrease canagliflozin exposure which may reduce the effectiveness of INVOKANA. (Fachinformation zu Canagliflozin, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Candesartan und Hydrochlorothiazid, Warnhinweise)

• Strong inducer of CYP3A4 or CYP2C19: Consider dose increase of EPIDIOLEX. (Fachinformation zu Cannabidiol (verschreibungspflichtig), Arzneimittelwechselwirkungen)

Inducers of Hepatic CYP Enzymes Rifampin : Rifampin is a potent CYP3A4 inducer and concomitant administration with caspofungin acetate for injection is expected to reduce the plasma concentrations of caspofungin acetate for injection. (Fachinformation zu Caspofungin, Arzneimittelwechselwirkungen)

Antiepileptics (AEDs) (Carbamazepine, Phenobarbital, and Phenytoin) Carbamazepine, phenobarbital, and phenytoin are CYP3A4 inducers and may decrease quinine plasma concentrations if used concurrently with quinine sulfate. (Fachinformation zu Chinin, Arzneimittelwechselwirkungen)

The nafcillin-cyclosporine interaction was documented in a patient during two separate courses of therapy. (Fachinformation zu Nafcillin, Arzneimittelwechselwirkungen)

Miscellaneous Cytochrome P450 Inducers: Efavirenz Nevirapine Rifampicin Rifabutin Rifapentine Use With Caution Inducers of CYP3A enzymes, such as efavirenz, nevirapine, rifampicin, rifabutin, and rifapentine will increase the metabolism of clarithromycin, thus decreasing plasma concentrations of clarithromycin, while increasing those of 14-OH-clarithromycin. (Fachinformation zu Clarithromycin, Arzneimittelwechselwirkungen)

Inducers of CYP3A4 and CYP3A5 Inducers of CYP3A4 and/or CYP3A5 may reduce plasma concentrations of clindamycin. (Fachinformation zu Clindamycin, Arzneimittelwechselwirkungen)

…several closely related tricyclic antidepressants have been reported to be increased by the concomitant administration of methylphenidate or hepatic enzyme inhibitors (e.g., cimetidine, fluoxetine) and decreased by the concomitant administration of hepatic enzyme inducers (e.g., barbiturates, phenytoin), and such an effect may be anticipated with CMI as well. (Fachinformation zu Clomipramin, Arzneimittelwechselwirkungen)

The absorption of tetracycline, furosemide, penicillin G, hydrochlorothiazide, and gemfibrozil was significantly decreased when given simultaneously with colestipol hydrochloride; these drugs were not tested to determine the effect of administration one hour before colestipol hydrochloride. (Fachinformation zu Colestipol, Arzneimittelwechselwirkungen)

Drug Interactions Cholestyramine for Oral Suspension USP may delay or reduce the absorption of concomitant oral medication such as phenylbutazone, warfarin, thiazide diuretics (acidic), or propranolol (basic), as well as tetracycline, penicillin G, phenobarbital, thyroid and thyroxine preparations, estrogens and progestins, and digitalis. (Fachinformation zu Colestyramin, Arzneimittelwechselwirkungen)

Initiation of medications that inhibit or induce CYP3A may increase or decrease concentrations of PREZISTA/ritonavir, respectively. (Fachinformation zu Darunavir, Warnhinweise und Vorsichtsmaßnahmen)

Clinically Relevant Interactions Affecting DEXILANT When Coadministered with Other Drugs and Substances CYP2C19 or CYP3A4 Inducers Clinical Impact: Decreased exposure of dexlansoprazole when used concomitantly with strong inducers [see Clinical Pharmacology (12.3) ] . (Fachinformation zu Dexlansoprazol, Arzneimittelwechselwirkungen)

Drugs that Cause Hypokalemia The risk of hypokalemia is greater with coadministration of KEVEYIS and other drugs that can cause hypokalemia (e.g., loop diuretics, thiazide diuretics, laxatives, antifungals, penicillins, and theophylline) [see Warnings and Precautions (5.3) ] . (Fachinformation zu Diclofenamid, Arzneimittelwechselwirkungen)

Concomitant medications were grouped as ACE inhibitors, oral anticoagulants, calcium channel blockers, beta blockers, cardiac glycosides, inducers of CYP3A4, substrates and inhibitors of CYP3A4, substrates and inhibitors of P-glycoprotein, nitrates, sulphonylureas, loop diuretics, potassium sparing diuretics, thiazide diuretics, substrates and inhibitors of tubular… (Fachinformation zu Dofetilid, Arzneimittelwechselwirkungen)

Examples Glutethimide and phenobarbital Intervention If a patient initiates or discontinues therapy with an enzyme inducer, dose adjustment of doxercalciferol may be necessary. (Fachinformation zu Doxercalciferol, Arzneimittelwechselwirkungen)

Coadministration of RPV and drugs that induce CYP3A may result in decreased plasma concentrations of RPV and loss of virologic response and possible resistance to RPV or to the class of NNRTIs. (Fachinformation zu Emtricitabin, Rilpivirin und Tenofovir, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Enalapril und Hydrochlorothiazid, Warnhinweise)

CYP3A4 Inducers Pre-treatment with a CYP3A4 inducer prior to erlotinib decreased erlotinib exposure [see Clinical Pharmacology (12.3) ]. (Fachinformation zu Erlotinib, Arzneimittelwechselwirkungen)

Table 4: Clinically Relevant Interactions Affecting Esomeprazole When Co-Administered with Other Drugs CYP2C19 or CYP3A4 Inducers Clinical Impact: Decreased exposure of esomeprazole when used concomitantly with strong inducers [see Clinical Pharmacology (12.3) ]. (Fachinformation zu Esomeprazol, Arzneimittelwechselwirkungen)

While no in vivo drug-drug interaction studies were conducted between estazolam and inducers of CYP3A, compounds that are potent CYP3A inducers (such as carbamazepine, phenytoin, rifampin, and barbiturates) would be expected to decrease estazolam concentrations. (Fachinformation zu Estazolam, Warnhinweise)

Women who take medications that are strong CYP3A4 inducers should not choose Natazia as their oral contraceptive while using these inducers and for at least 28 days after discontinuation of these inducers due to the possibility of increased breakthrough bleeding and/or decreased contraceptive efficacy. (Fachinformation zu Estradiol und Dienogest, Arzneimittelwechselwirkungen)

Drugs that Induce CYP3A4 (Rifampicin) Racemic zopiclone exposure was decreased 80% by concomitant use of rifampicin, a potent inducer of CYP3A4. (Fachinformation zu Eszopiclon, Arzneimittelwechselwirkungen)

Strong CYP3A inducer and P-gp inducer : Increase the dosage as recommended. (Fachinformation zu Everolimus, Arzneimittelwechselwirkungen)

Strong CYP 3A4 inducers: Concomitant use of strong CYP 3A4 inducers decreases exemestane exposure. (Fachinformation zu Exemestan, Arzneimittelwechselwirkungen)

Phenobarbital Clinical Impact: Chronic administration of phenobarbital, a known enzyme inducer, may be associated with a decrease in the plasma half-life of fenoprofen. (Fachinformation zu Fenoprofen, Arzneimittelwechselwirkungen)

CYP3A4 Inducers No dosing adjustments are recommended in the presence of CYP3A4 inducers, such as rifampin and carbamazepine. (Fachinformation zu Fesoterodin, Arzneimittelwechselwirkungen)

Limited data in patients receiving known enzyme inducers ( phenytoin, phenobarbital, carbamazepine ) indicate only a 30% increase in the rate of flecainide elimination. (Fachinformation zu Flecainid, Arzneimittelwechselwirkungen)

Initiation of medications that inhibit or induce CYP3A may increase or decrease concentrations of fosamprenavir calcium/ritonavir, respectively. (Fachinformation zu Fosamprenavir, Warnhinweise und Vorsichtsmaßnahmen)

CYP3A4 Interactions: Fosaprepitant is a weak inhibitor of CYP3A4, and aprepitant, the active moiety, is a substrate, inhibitor, and inducer of CYP3A4; see Full Prescribing Information for recommendations regarding contraindications, risk of adverse reactions, and dosage adjustment of FOCINVEZ and concomitant drugs. (Fachinformation zu Fosaprepitant, Warnhinweise und Vorsichtsmaßnahmen)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (Fachinformation zu Gefitinib, Arzneimittelwechselwirkungen)

…and its plasma concentrations can be significantly affected resulting in an increase in exposure Consider dose reduction [see Dosage and administration (2.7) ] Strong and moderate CYP3A4 inducers, e.g., rifampin, efavirenz Guanfacine is primarily metabolized by CYP3A4 and its plasma concentrations can be significantly affected resulting in a decrease in exposure… (Fachinformation zu Guanfacin, Arzneimittelwechselwirkungen)

Drugs that May Decrease Haloperidol Plasma Concentrations Coadministration of haloperidol with potent enzyme inducers of CYP3A4 may gradually decrease the plasma concentrations of haloperidol to such an extent that efficacy may be reduced. (Fachinformation zu Haloperidol, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Hydrochlorothiazid, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant administration of inducers of CYP3A4 may lead to decreases in serum concentrations of ALKINDI SPRINKLE and increase the risk of adverse reactions, including adrenal crisis. (Fachinformation zu Hydrocortison, Arzneimittelwechselwirkungen)

• CYP3A4 Inducers: Monitor for increased toxicity when used in combination with CYP3A4 inducers. (Fachinformation zu Ifosfamid, Arzneimittelwechselwirkungen)

CYP3A4 inducers may decrease Gleevec C max and area under curve (AUC). (Fachinformation zu Imatinib, Arzneimittelwechselwirkungen)

The plasma concentration of imipramine may increase when the drug is given concomitantly with hepatic enzyme inhibitors (e.g., cimetidine, fluoxetine) and decrease by concomitant administration with hepatic enzyme inducers (e.g., barbiturates, phenytoin), and adjustment of the dosage of imipramine may therefore be necessary. (Fachinformation zu Imipramin, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Irbesartan und Hydrochlorothiazid, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant Use with CYP3A Inducers Use of KALYDECO with strong CYP3A inducers, such as rifampin, substantially decreases the exposure of ivacaftor, which may reduce the therapeutic effectiveness of KALYDECO. (Fachinformation zu Ivacaftor, Warnhinweise und Vorsichtsmaßnahmen)

Clinically Relevant Interactions Affecting PREVACID or PREVACID SoluTab When Coadministered with Other Drugs CYP2C19 OR CYP3A4 Inducers Clinical Impact: Decreased exposure of lansoprazole when used concomitantly with strong inducers [see Clinical Pharmacology (12.3) ] . (Fachinformation zu Lansoprazol, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Leflunomid, Arzneimittelwechselwirkungen)

Enzyme inducers (e.g., CYP3A4) : May decrease the effectiveness of TYBLUME or increase breakthrough bleeding. (Fachinformation zu Levonorgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Strong P-glycoprotein/CYP3A4 inducer: The efficacy of TRADJENTA may be reduced when administered in combination (e.g., with rifampin). (Fachinformation zu Linagliptin, Arzneimittelwechselwirkungen)

Inducers of P-glycoprotein or CYP3A4 Enzymes Clinical Impact Rifampin decreased linagliptin exposure, suggesting that the efficacy of linagliptin may be reduced when administered in combination with a strong P-gp or CYP3A4 inducer. (Fachinformation zu Linagliptin und Metformin, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Lisinopril und Hydrochlorothiazid, Warnhinweise)

…Nasal/Ophthalmic Corticosteroids: e.g., betamethasone budesonide ciclesonide dexamethasone fluticasone methylprednisolone mometasone prednisone triamcinolone ↓ lopinavir ↑ glucocorticoids Coadministration with oral dexamethasone or other systemic corticosteroids that induce CYP3A may result in loss of therapeutic effect and development of resistance to lopinavir. (Fachinformation zu Lopinavir und Ritonavir, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Losartan und Hydrochlorothiazid, Warnhinweise und Vorsichtsmaßnahmen)

• If patients with severe renal impairment or ESRD receiving SELZENTRY (without concomitant CYP3A inducers or inhibitors) experience postural hypotension, the dose of SELZENTRY should be reduced from 300 mg twice daily to 150 mg twice daily. (Fachinformation zu Maraviroc, Warnhinweise und Vorsichtsmaßnahmen)

Rifampin (Potent Inducer of CYP3A4) Coadministration of a single 500 mg oral dose of mefloquine and 600 mg of rifampin once daily for 7 days in 7 healthy Thai volunteers resulted in a decrease in the mean C max and AUC of mefloquine by 19% and 68%, respectively, and a decrease in the mean elimination half-life of mefloquine from 305 hours to 113 hours. (Fachinformation zu Mefloquin, Arzneimittelwechselwirkungen)

Inducers of CYP3A4 (e.g., phenytoin, carbamazepine, dexamethasone, rifampin, and phenobarbital) could increase the rate of elimination of donepezil. (Fachinformation zu Memantin und Donepezil, Arzneimittelwechselwirkungen)

…agents (e.g., ketoconazole), protease inhibitors (e.g., ritonavir), fluconazole, fluvoxamine, some selective serotonin reuptake inhibitors (SSRIs) (e.g., sertraline, fluvoxamine) Inducers of CYP3A4, CYP2B6, CYP2C19, or CYP2C9 Clinical Impact: The concomitant use of methadone and CYP3A4, CYP2B6, CYP2C19, or CYP2C9 inducers can decrease the plasma concentration… (Fachinformation zu Methadon, Arzneimittelwechselwirkungen)

Effect of Other Drugs on XATMEP Oral Antibiotics Penicillins may reduce the renal clearance of methotrexate; increased serum concentrations of methotrexate with concomitant hematologic and gastrointestinal toxicity have been observed with methotrexate. (Fachinformation zu Methotrexat, Arzneimittelwechselwirkungen)

CYP3A4 inducers Drugs (e.g. nevirapine, rifampin) that are strong inducers of CYP3A4 are likely to decrease the pharmacological action of methylergonovine maleate. (Fachinformation zu Methylergometrin, Arzneimittelwechselwirkungen)

Hepatic Enzyme Inducers (e.g., barbiturates, phenytoin, carbamazepine, rifampin) : Drugs which induce cytochrome P450 3A4 enzyme activity may enhance the metabolism of corticosteroids and require that the dosage of the corticosteroid be increased. (Fachinformation zu Methylprednisolon, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Metoprolol und Hydrochlorothiazid, Warnhinweise und Vorsichtsmaßnahmen)

John's Wort, tramadol, tryptophan, buspirone Strong CYP3A Inducers Clinical Impact The concomitant use of strong CYP3A inducers with REMERON/REMERONSolTab decreases the plasma concentration of mirtazapine [see Clinical Pharmacology (12.3) ] . (Fachinformation zu Mirtazapin, Arzneimittelwechselwirkungen)

Examples Cyclosporine A, trimethoprim/sulfamethoxazole, bile acid sequestrants (cholestyramine), rifampin as well as aminoglycoside, cephalosporin, fluoroquinolone and penicillin classes of antimicrobials Drugs Modulating Glucuronidation Clinical Impact Concomitant use with drugs inducing glucuronidation decreases MPA systemic exposure, potentially reducing mycophenolate… (Fachinformation zu Mycophenolat, Arzneimittelwechselwirkungen)

Table 4: Clinically Significant Interactions with Esomeprazole Magnesium - Affecting Co-Administered Drugs CYP2C19 or CYP3A4 Inducers Clinical Impact : Decreased exposure of esomeprazole when used concomitantly with strong inducers [see Clinical Pharmacology (12.3) ]. (Fachinformation zu Naproxen und Esomeprazol, Arzneimittelwechselwirkungen)

Possible Reduced Efficacy with Strong CYP3A4 Inducers Concomitant use of strong CYP3A4 inducers (e.g., carbamazepine, phenobarbital, phenytoin, rifampin, St. (Fachinformation zu Nimodipin, Warnhinweise und Vorsichtsmaßnahmen)

Coadministration with oral doses of a P-gp and CYP3A4 inducer, rifampicin, decreased exposure to nintedanib by 50%. (Fachinformation zu Nintedanib, Arzneimittelwechselwirkungen)

…immunodeficiency virus (HIV)/Hepatitis C virus (HCV) protease inhibitors, non-nucleoside reverse transcriptase inhibitors , and HIV/AIDS medications containing strong inhibitors or inducers of CYP3A Significant changes (increase or decrease) in the plasma concentrations of estrogen and/or progestin have been noted in some cases of co-administration with HIV protease… (Fachinformation zu Norgestimat und Ethinylestradiol, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Olmesartan und Hydrochlorothiazid, Warnhinweise und Vorsichtsmaßnahmen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Olmesartan, Amlodipin und Hydrochlorothiazid, Warnhinweise und Vorsichtsmaßnahmen)

Table 4: Clinically Relevant Interactions Affecting Omeprazole When Co-Administered with Other Drugs CYP2C19 or CYP3A4 Inducers Clinical Impact: Decreased exposure of omeprazole when used concomitantly with strong inducers [see Clinical Pharmacology ( 12.3 )] . (Fachinformation zu Omeprazol, Arzneimittelwechselwirkungen)

Table 6: Clinically Relevant Interactions Affecting Omeprazole when Co-Administered with Other Drugs CYP2C19 or CYP3A4 Inducers Clinical Impact: Decreased exposure of omeprazole when used concomitantly with strong inducers [see Clinical Pharmacology ( 12.3 )] . (Fachinformation zu Omeprazol und Natriumhydrogencarbonat, Arzneimittelwechselwirkungen)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (Fachinformation zu Ondansetron, Arzneimittelwechselwirkungen)

Moderate and Strong CYP3A4 Inducers (including carbamazepine, oxcarbazepine, and phenytoin): increase clearance of perampanel and decrease perampanel plasma concentrations. (Fachinformation zu Perampanel, Arzneimittelwechselwirkungen)

Nephrotoxicity in critically ill patients has been observed; the use of piperacillin and tazobactam was found to be an independent risk factor for renal failure and was associated with delayed recovery of renal function as compared to other beta-lactam antibacterial drugs in a randomized, multicenter, controlled trial in critically ill patients. (Fachinformation zu Piperacillin und Tazobactam, Warnhinweise und Vorsichtsmaßnahmen)

Strong CYP3A4 Inducers: Decreased exposure of WAKIX; consider dosage adjustment of WAKIX ( 2.6 , 7.1 ) (Fachinformation zu Pitolisant, Arzneimittelwechselwirkungen)

CYP 3A4 inducers (e.g. barbiturates, phenytoin, carbamazepine, and rifampin): Drugs such as barbiturates, phenytoin, ephedrine, and rifampin, which induce hepatic microsomal drug metabolizing enzyme activity may enhance metabolism of prednisolone and require that the dosage of Orapred be increased. (Fachinformation zu Prednisolon, Arzneimittelwechselwirkungen)

CYP 3A4 inducers and inhibitors: May, respectively, increase or decrease clearance of corticosteroids, necessitating dose adjustment. (Fachinformation zu Prednison, Arzneimittelwechselwirkungen)

Drug Interactions When probenecid is used to elevate plasma concentrations of penicillin or other beta-lactams, or when such drugs are given to patients taking probenecid therapeutically, high plasma concentrations of the other drug may increase the incidence of adverse reactions associated with that drug. (Fachinformation zu Probenecid, Arzneimittelwechselwirkungen)

DRUG INTERACTIONS When probenecid is used to elevate plasma concentrations of penicillin, or other beta-lactams, or when such drugs are given to patients taking probenecid therapeutically, high plasma concentrations of the other drug may increase the incidence of adverse reactions associated with that drug. (Fachinformation zu Probenecid und Colchicin, Arzneimittelwechselwirkungen)

Drug Interactions Protamine sulfate has been shown to be incompatible with certain antibiotics, including several of the cephalosporins and penicillins (see DOSAGE AND ADMINISTRATION ). (Fachinformation zu Protamin, Vorsichtsmaßnahmen)

• Concomitant use of strong CYP3A4 inducers: Increase quetiapine dose up to 5 fold when used in combination with a chronic treatment (more than 7-14 days) of potent CYP3A4 inducers (e.g., phenytoin, rifampin, St. (Fachinformation zu Quetiapin, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Quinapril und Hydrochlorothiazid, Warnhinweise)

Rifampin (strong CYP enzyme inducer): Decreases exposure to and effects of ramelteon. (Fachinformation zu Ramelteon, Arzneimittelwechselwirkungen)

CYP2C8 and CYP3A4 Inducers Intervention: Repaglinide tablets dose increases and increased frequency of glucose monitoring may be required when co‑administered. (Fachinformation zu Repaglinid, Arzneimittelwechselwirkungen)

Drug Interactions Effect of Rifabutin on the Pharmacokinetics of Other Drugs Rifabutin induces CYP3A enzymes and therefore may reduce the plasma concentrations of drugs metabolized by those enzymes. (Fachinformation zu Rifabutin, Arzneimittelwechselwirkungen)

Coadministration of EDURANT or EDURANT PED and drugs that induce CYP3A may result in decreased plasma concentrations of rilpivirine and loss of virologic response and possible resistance to rilpivirine or to the class of NNRTIs. (Fachinformation zu Rilpivirin, Arzneimittelwechselwirkungen)

Carbamazepine and other enzyme inducers decrease plasma concentrations of risperidone. (Fachinformation zu Risperidon, Arzneimittelwechselwirkungen)

Effects of Other AEDs on BANZEL Potent cytochrome P450 enzyme inducers, such as carbamazepine, phenytoin, primidone, and phenobarbital, appear to increase the clearance of BANZEL (see Table 6). (Fachinformation zu Rufinamid, Arzneimittelwechselwirkungen)

Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Fachinformation zu Ruxolitinib, Arzneimittelwechselwirkungen)

Salicylate competes with a number of drugs for protein binding sites, notably penicillin, thiopental, thyroxine, triiodothyronine, phenytoin, sulfinpyrazone, naproxen, warfarin, methotrexate, and possibly corticosteroids. [When Salsalate tablets, USP are administered with aspirin, its protein binding is reduced, although the clearance of free Salsalate tablets,… (Fachinformation zu Salsalat, Arzneimittelwechselwirkungen)

Drugs that induce CYP3A4 (e.g., phenytoin, carbamazepine, nafcillin, phenobarbital, and rifampin) should be used with caution. (Fachinformation zu Selegilin, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Spironolacton und Hydrochlorothiazid, Warnhinweise)

• CYP3A4 Inducers : Consider dose increase of SUTENT when administered with strong CYP3A4 inducers. (Fachinformation zu Sunitinib, Arzneimittelwechselwirkungen)

Strong CYP3A inducers: Efficacy may be reduced ( 7.2 ). (Fachinformation zu Suvorexant, Arzneimittelwechselwirkungen)

Drugs that May Enhance the Neuromuscular Blocking Action of Succinylcholine : promazine, oxytocin, aprotinin, certain non-penicillin antibiotics, quinidine, β-adrenergic blockers, procainamide, lidocaine, trimethaphan, lithium carbonate, magnesium salts, quinine, chloroquine, isoflurane, desflurane, metoclopramide, terbutaline, and drugs that reduce plasma cholinesterase… (Fachinformation zu Suxamethonium, Arzneimittelwechselwirkungen)

Risk of Rejection with Strong CYP3A Inducers and Risk of Serious Adverse Reactions with Strong CYP3A Inhibitors The concomitant use of strong CYP3A inducers may increase the metabolism of tacrolimus, leading to lower whole blood trough concentrations and greater risk of rejection. (Fachinformation zu Tacrolimus, Warnhinweise und Vorsichtsmaßnahmen)

CYP3A4 inhibitors (e.g. ketoconazole, ritonavir) increase CIALIS exposure ( 2.7 , 5.10 , 7.2 ) requiring dose adjustment: CIALIS for use as needed: no more than 10 mg every 72 hours CIALIS for once daily use: dose not to exceed 2.5 mg CYP3A4 inducers (e.g. rifampin) decrease CIALIS exposure ( 7.2 ). (Fachinformation zu Tadalafil, Arzneimittelwechselwirkungen)

Patients should be monitored for adequate clinical effect when amlodipine is co-administered with CYP3A4 inducers. (Fachinformation zu Telmisartan und Amlodipin, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Telmisartan und Hydrochlorothiazid, Warnhinweise und Vorsichtsmaßnahmen)

Co-administration with Inducers or Inhibitors of CYP3A Metabolism Agents Inducing CYP3A Metabolism: Strong inducers of CYP3A4/5 such as dexamethasone, carbamazepine, phenytoin, phenobarbital, rifampin, rifabutin, and rifampacin may decrease exposure of the active metabolite, sirolimus. (Fachinformation zu Temsirolimus, Warnhinweise und Vorsichtsmaßnahmen)

Terbinafine clearance is increased 100% by rifampin, a CYP450 enzyme inducer, and decreased 33% by cimetidine, a CYP450 enzyme inhibitor. (Fachinformation zu Terbinafin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Teriflunomid, Arzneimittelwechselwirkungen)

Use of tiagabine HCl without enzyme-inducing antiepileptic drugs results in blood levels about twice those attained in the studies on which current dosing recommendations are based (see DOSAGE AND ADMINISTRATION ). (Fachinformation zu Tiagabin, Warnhinweise)

CYP3A4 inducers/inhibitors: Monitor for decreased tinidazole effect or increased adverse reactions ( 7.2 ) (Fachinformation zu Tinidazol, Arzneimittelwechselwirkungen)

DRUG INTERACTIONS Hepatic microsomal enzyme inducing agents, such as carbamazepine, were found to significantly increase the clearance of thiothixene. (Fachinformation zu Tiotixen, Arzneimittelwechselwirkungen)

…exposure to tofacitinib Intervention Dosage modification of XELJANZ/XELJANZ XR is recommended [see Dosage and Administration (2) , Clinical Pharmacology, Figure 3 (12.3) ] Strong CYP3A4 Inducers (e.g., rifampin) Clinical Impact Decreased exposure to tofacitinib and may result in loss of or reduced clinical response Intervention Concomitant use with XELJANZ/XELJANZ… (Fachinformation zu Tofacitinib, Arzneimittelwechselwirkungen)

CYP3A4 Inducers: Increase in RALDESY dosage may be necessary ( 2.5 , 7 ). (Fachinformation zu Trazodon, Arzneimittelwechselwirkungen)

Co-administration of a CYP2C8 enzyme inducer (e.g., rifampin) may decrease exposure to treprostinil. (Fachinformation zu Treprostinil, Warnhinweise und Vorsichtsmaßnahmen)

Hepatic enzyme inducers (e.g., barbiturates, phenytoin, carbamazepine, rifampin): Drugs which induce hepatic microsomal drug metabolizing enzyme activity may enhance the metabolism of corticosteroids and require that the dosage of the corticosteroid be increased. (Fachinformation zu Triamcinolon, Arzneimittelwechselwirkungen)

…from blood bank (may contain up to 30 mEq of potassium per liter of plasma or up to 65 mEq per liter of whole blood when stored for more than 10 days); low-salt milk (may contain up to 60 mEq of potassium per liter); potassium-containing medications (such as parenteral penicillin G potassium); salt substitutes (most contain substantial amounts of potassium). (Fachinformation zu Triamteren, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Triamteren und Hydrochlorothiazid, Warnhinweise)

Strong Inducers of CYP 3A Clinical implication Coadministration of triazolam with strong inducers of CYP3A4 can significantly decrease the plasma concentration of triazolam and may decrease effectiveness of triazolam. (Fachinformation zu Triazolam, Arzneimittelwechselwirkungen)

Hepatic enzyme-inducing drugs (e.g., phenytoin, carbamazepine, phenobarbital, primidone, rifampin) can increase valproate clearance, while enzyme inhibitors (e.g., felbamate) can decrease valproate clearance. (Fachinformation zu Valproat-Seminatrium (Divalproex), Arzneimittelwechselwirkungen)

Hepatic enzyme-inducing drugs (e.g., phenytoin, carbamazepine, phenobarbital, primidone, rifampin) can increase valproate clearance, while enzyme inhibitors (e.g., felbamate) can decrease valproate clearance. (Fachinformation zu Valproinsäure, Arzneimittelwechselwirkungen)

Risk factors for developing acute angle-closure glaucoma may include a history of sulfonamide or penicillin allergy. (Fachinformation zu Valsartan und Hydrochlorothiazid, Warnhinweise und Vorsichtsmaßnahmen)

CYP3A4 inducers decrease verapamil levels ( 7.1 ) (Fachinformation zu Verapamil, Arzneimittelwechselwirkungen)

CYP3A4 Inducers: Consider increasing VIIBRYD dosage by 2-fold, up to 80 mg once-daily over 1 to 2 weeks when used concomitantly with strong CYP3A4 inducers for greater than 14 days ( 2.4 , 7 ). (Fachinformation zu Vilazodon, Arzneimittelwechselwirkungen)

Nafcillin in high dosage regimens, i.e., 2 grams every 4 hours, has been reported to decrease the effects of warfarin. (Fachinformation zu Nafcillin, Arzneimittelwechselwirkungen)

Multiple-dose administration of the potent CYP3A4 inducer rifampin (600 mg every 24 hours, q24h, for 14 days), however, reduced zaleplon C max and AUC by approximately 80%. (Fachinformation zu Zaleplon, Arzneimittelwechselwirkungen)

Pharmacokinetic Interactions Carbamazepine Carbamazepine is an inducer of CYP3A4; administration of 200 mg twice daily for 21 days resulted in a decrease of approximately 35% in the AUC of ziprasidone. (Fachinformation zu Ziprasidon, Arzneimittelwechselwirkungen)

CYP3A4 Inducers If co-administration with a potent CYP3A4 inducer is necessary, the patient should be closely monitored and the dose of ZONISAMIDE and other drugs that CYP3A4 substrates may need to be adjusted [see Clinical Pharmacology ( 12.3 )] . (Fachinformation zu Zonisamid, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Clonazepam, Arzneimittelwechselwirkungen)

Counsel women to use an alternative method of contraception or a back-up method when enzyme inducers are used with CHCs, and to continue back-up contraception for 28 days after discontinuing the enzyme inducer to ensure contraceptive reliability. (Fachinformation zu Desogestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Drug Interactions If phenytoin or other hepatic enzyme inducers are taken concurrently with Norpace or Norpace CR, lower plasma levels of disopyramide may occur. (Fachinformation zu Disopyramid, Arzneimittelwechselwirkungen)

• Cytochrome P450 3A4 inducers, inhibitors, or substrates: May alter docetaxel metabolism. (Fachinformation zu Docetaxel, Arzneimittelwechselwirkungen)

Counsel patients to use a back-up or alternative method of contraception when enzyme inducers are used with COCs. (Fachinformation zu Drospirenon und Ethinylestradiol, Arzneimittelwechselwirkungen)

TAF is not an inhibitor or inducer of CYP3A in vivo . (Fachinformation zu Emtricitabin und Tenofovir, Arzneimittelwechselwirkungen)

Effects of Other Drugs on HALAVEN No drug-drug interactions are expected with CYP3A4 inhibitors, CYP3A4 inducers or P-glycoprotein (P-gp) inhibitors. (Fachinformation zu Eribulin, Arzneimittelwechselwirkungen)

Infants born to women treated during pregnancy with oral erythromycin for early syphilis should be treated with an appropriate penicillin regimen. (Fachinformation zu Erythromycin, Warnhinweise)

Inducers of CYP3A4 such as St. (Fachinformation zu Estradiol, Arzneimittelwechselwirkungen)

Inducers of CYP3A4 such as St. (Fachinformation zu Estradiol und Norethisteron, Arzneimittelwechselwirkungen)

Counsel patients to use a back-up or alternative method of contraception when enzyme inducers are used with CHCs. (Fachinformation zu Etonogestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Fachinformation zu Etravirin, Arzneimittelwechselwirkungen)

Potential for Glycerol Phenylbutyrate to Affect Other Drugs Drugs with narrow therapeutic index that are substrates of CYP3A4 Glycerol phenylbutyrate is a weak inducer of CYP3A4 in humans. (Fachinformation zu Glycerolphenylbutyrat, Arzneimittelwechselwirkungen)

Inducers of CYP3A4, such as St. (Fachinformation zu Konjugierte Estrogene und Bazedoxifen, Arzneimittelwechselwirkungen)

Counsel patients to use a back-up method or alternative method of contraception when enzyme inducers are used with MPA Injectable Suspension, USP. (Fachinformation zu Medroxyprogesteron, Arzneimittelwechselwirkungen)

There have been reports of individuals with a history of penicillin hypersensitivity who have experienced severe hypersensitivity reactions when treated with another β-lactam. (Fachinformation zu Meropenem, Warnhinweise und Vorsichtsmaßnahmen)

When phenytoin or other hepatic enzyme inducers such as rifampin and phenobarbital have been taken concurrently with mexiletine, lowered mexiletine plasma levels have been reported. (Fachinformation zu Mexiletin, Arzneimittelwechselwirkungen)

Some antibiotics such as penicillin may compete with phenylacetylglutamine and hippurate for active secretion by renal tubules, which may affect the overall disposition of the infused drug. (Fachinformation zu Natriumphenylacetat und Natriumbenzoat, Arzneimittelwechselwirkungen)

Oral neomycin inhibits the gastrointestinal absorption of penicillin V, oral vitamin B-12, methotrexate and 5-fluorouracil. (Fachinformation zu Neomycin, Arzneimittelwechselwirkungen)

Counsel patients to use a back-up or alternative method of contraception when enzyme inducers are used with CHCs. (Fachinformation zu Norelgestromin und Ethinylestradiol, Arzneimittelwechselwirkungen)

Counsel women to use an alternative non-hormonal method of contraception or a back-up method when enzyme inducers are used with HCs, and to continue back-up non-hormonal contraception for 28 days after discontinuing the enzyme inducer to ensure contraceptive reliability. (Fachinformation zu Norethisteron, Arzneimittelwechselwirkungen)

Counsel women to use an alternative method of contraception or a back-up method when enzyme inducers are used with COCs, and to continue back-up contraception for 28 days after discontinuing the enzyme inducer to ensure contraceptive reliability. (Fachinformation zu Norgestrel und Ethinylestradiol, Arzneimittelwechselwirkungen)

Patients who are allergic to penicillin may theoretically have cross-sensitivity to penicillamine. (Fachinformation zu Penicillamin, Vorsichtsmaßnahmen)

CYP3A4 Substrates An in vitro study has suggested that rifaximin induces CYP3A4 [see Clinical Pharmacology ( 12.3 )] . (Fachinformation zu Rifaximin, Arzneimittelwechselwirkungen)

Strong CYP3A inducers: Strong inducers of CYP3A (for example, rifampin, phenytoin, carbamazepine, phenobarbital or St. (Fachinformation zu Riociguat, Arzneimittelwechselwirkungen)

Drug Interactions Tetracycline, a bacteriostatic antibiotic, may antagonize the bactericidal effect of penicillin, and concurrent use of these drugs should be avoided. (Fachinformation zu Nafcillin, Arzneimittelwechselwirkungen)

Concurrent use of strong CYP3A inducers (e.g., St. (Fachinformation zu Vincristin, Arzneimittelwechselwirkungen)

Drugs Having No Clinically Important Interactions with SAPHRIS No dosage adjustment of SAPHRIS is necessary when administered concomitantly with paroxetine (see Table 12 in Drug Interactions ( 7.1 ) for paroxetine dosage adjustment), imipramine, cimetidine, valproate, lithium, or a CYP3A4 inducer (e.g., carbamazepine, phenytoin, rifampin). (Fachinformation zu Asenapin, Arzneimittelwechselwirkungen)

CYP2C19 and CYP3A4 Inducer Co-administration of Micafungin in Sodium Chloride Injection with rifampin and ritonavir did not alter the pharmacokinetics of micafungin. (Fachinformation zu Micafungin, Arzneimittelwechselwirkungen)

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