Wechselwirkungen von Cenobamat

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

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

…(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… (Fachinformation zu Alfuzosin, Gegenanzeigen)

Die Kombination von Alkohol mit sedierenden Arzneimitteln (Opioide, Benzodiazepine, Schlafmittel, Muskelrelaxanzien) kann gefährliche Schläfrigkeit, verlangsamte Atmung und eine Überdosierung verursachen. (NIAAA, Harmful Interactions: Mixing Alcohol with Medicines)

Concomitant use of almotriptan tablets and potent CYP3A4 inhibitors should be avoided in patients with renal or hepatic impairment [see Clinical Pharmacology ( 12.3 )] . (Fachinformation zu Almotriptan, Arzneimittelwechselwirkungen)

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

• 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) ] . (Fachinformation zu Alprazolam, 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)

Do not use avanafil in patients taking strong CYP3A4 inhibitors [see Warnings and Precautions ( 5.2 ) and Dosage and Administration ( 2.3 )]. (Fachinformation zu Avanafil, Arzneimittelwechselwirkungen)

• Avoid concurrent use of alcohol or other central nervous system (CNS) depressants with azelastine hydrochloride and fluticasone propionate nasal spray because further decreased alertness and impairment of CNS performance may occur. (Fachinformation zu Azelastin und Fluticason, Warnhinweise und Vorsichtsmaßnahmen)

…AND MISUSE; LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL EXPOSURE; NEONATAL OPIOD WITHDRAWAL SYNDROME; and RISKS FROM CONCOMITANT USE WITH ALCOHOL, BENZODIAZEPINES OR OTHER CNS DEPRESSANTS Addiction, Abuse, and Misuse Belladonna and opium suppositories expose patients and other users to the risks of opioid addiction, abuse, and misuse, which can lead to… (Fachinformation zu Belladonna und Opium, Boxed Warning (umrahmter Warnhinweis))

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)

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

Co-administration of such combinations of a CYP2C9 inhibitor plus a strong or moderate CYP3A inhibitor with TRACLEER is not recommended. (Fachinformation zu Bosentan, Arzneimittelwechselwirkungen)

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

Concomitant use of strong CYP3A4 inhibitors (e.g., azole antimycotics, HIV protease inhibitors) with CYCLOSET should be avoided. (Fachinformation zu Bromocriptin, Arzneimittelwechselwirkungen)

Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Buprenorphin, Boxed Warning (umrahmter Warnhinweis))

Bupropion hydrochloride extended-release tablets (XL) are contraindicated in patients undergoing abrupt discontinuation of alcohol, benzodiazepines, barbiturates, and antiepileptic drugs [see Warnings and Precautions (5.3) and Drug Interactions (7.3)] . (Fachinformation zu Bupropion, Gegenanzeigen)

Concomitant use of opioids or a barbiturate with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Butalbital, Acetylsalicylsäure, Koffein und Codein, Boxed Warning (umrahmter Warnhinweis))

Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Butalbital, Paracetamol, Koffein und Codein, Boxed Warning (umrahmter Warnhinweis))

Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Butorphanol, Boxed Warning (umrahmter Warnhinweis))

…diphosphate glucuronosyltransferase (UGT)1A1 enzyme induction, which may result in loss of virologic response [see Drug Interactions ( 7.2 , 7.3 ), Clinical Pharmacology ( 12.3 )] : o Anticonvulsants: Carbamazepine, oxcarbazepine, phenobarbital, phenytoin o Antimycobacterials: Rifampin, rifapentine Prior to initiation of VOCABRIA, note that use of CABENUVA (cabotegravir… (Fachinformation zu Cabotegravir, Gegenanzeigen)

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… (Fachinformation zu Cabozantinib, Arzneimittelwechselwirkungen)

Avoid concurrent use of Carbinoxamine Maleate Extended-Release Oral Suspension with alcohol or other central nervous system depressants because additional impairment of central nervous system performance may occur. (Fachinformation zu Carbinoxamin, Warnhinweise und Vorsichtsmaßnahmen)

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

Avoid concurrent use of QUZYTTIR with alcohol or other CNS depressants because additional reduction in alertness and additional impairment of CNS performance may occur. (Fachinformation zu Cetirizin, Warnhinweise und Vorsichtsmaßnahmen)

If concomitant administration with carbamazepine or phenobarbital cannot be avoided, frequent monitoring of anticonvulsant drug concentrations is recommended. (Fachinformation zu Chinin, Arzneimittelwechselwirkungen)

Table 8: Drugs That are Affected by and Affecting Ciprofloxacin Drugs That are Affected by Ciprofloxacin Drug(s) Recommendation Comments Tizanidine Contraindicated Concomitant administration of tizanidine and ciprofloxacin is contraindicated due to the potentiation of hypotensive and sedative effects of tizanidine [see Contraindications ( 4.2 )]. (Fachinformation zu Ciprofloxacin, Arzneimittelwechselwirkungen)

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 ),… (Fachinformation zu Citalopram, Warnhinweise und Vorsichtsmaßnahmen)

Avoid use with other central nervous system (CNS) depressants ( 5.3 ) (Fachinformation zu Clonidin, Warnhinweise und Vorsichtsmaßnahmen)

CYP2C19 inhibitors: Avoid concomitant use of omeprazole or esomeprazole. (Fachinformation zu Clopidogrel, Warnhinweise und Vorsichtsmaßnahmen)

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

Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Codein, Boxed Warning (umrahmter Warnhinweis))

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) ] . (Fachinformation zu Colchicin, Gegenanzeigen)

Based on its structural similarity to TCAs, concomitant use of TONMYA with: MAO inhibitors may be life-threatening [see Contraindications (4) ] , Alcohol, barbiturates, and other CNS depressants may increase the risk of adverse reactions associated with these drugs, Tramadol may increase the seizure risk, Guanethidine or other similar acting drugs may block the… (Fachinformation zu Cyclobenzaprin, Arzneimittelwechselwirkungen)

Strong CYP3A4 inhibitors: Avoid concomitant use. (Fachinformation zu Daridorexant, Arzneimittelwechselwirkungen)

…elbasvir/grazoprevir Lipid modifying agents: lomitapide, lovastatin, simvastatin Opioid Antagonist: naloxegol PDE-5 inhibitor: sildenafil when used for treatment of pulmonary arterial hypertension Sedatives/hypnotics: orally administered midazolam, triazolam Co-administration of PREZISTA/ritonavir is contraindicated with drugs that are highly dependent on CYP3A for clearance… (Fachinformation zu Darunavir, Gegenanzeigen)

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)

Avoid concomitant use of strong CYP3A4 inhibitors. (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)

• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (Fachinformation zu Dexamethason, Arzneimittelwechselwirkungen)

QT Prolongation: Monitor ECG if concomitant use of drugs that prolong QT interval cannot be avoided or if concomitant CYP3A4 inhibitors used. (Fachinformation zu Dextromethorphan und Chinidin, Warnhinweise und Vorsichtsmaßnahmen)

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

CONTRAINDICATIONS Diphenoxylate hydrochloride and atropine sulfate is contraindicated in: • Pediatric patients less than 6 years of age due to the risks of respiratory and central nervous system (CNS) depression (see WARNINGS ). (Fachinformation zu Diphenoxylat und Atropin, Gegenanzeigen)

Concomitant use of Docetaxel Injection and drugs that inhibit CYP3A4 may increase exposure to docetaxel and should be avoided. (Fachinformation zu Docetaxel, 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)

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

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) ]. (Fachinformation zu Dutasterid und Tamsulosin, Warnhinweise und Vorsichtsmaßnahmen)

• 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) ]. (Fachinformation zu Eletriptan, Gegenanzeigen)

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)

Alpha 1-adrenoreceptor antagonist: alfuzosin Anticonvulsants: carbamazepine, phenobarbital, phenytoin Antimycobacterial: rifampin Antipsychotics: lurasidone, pimozide Ergot Derivatives: dihydroergotamine, ergotamine, methylergonovine Herbal Products: St. (Fachinformation zu Elvitegravir, Cobicistat, Emtricitabin und Tenofovir, Gegenanzeigen)

…virologic response and possible resistance to COMPLERA or to the class of NNRTIs [see Warnings and Precautions (5.7) , Drug Interactions (7) , and Clinical Pharmacology (12.3) ]: Anticonvulsants: carbamazepine, oxcarbazepine, phenobarbital, phenytoin Antimycobacterials: rifampin, rifapentine Glucocorticoid (systemic): dexamethasone (more than a single-dose)… (Fachinformation zu Emtricitabin, Rilpivirin und Tenofovir, Gegenanzeigen)

…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)… (Fachinformation zu Eplerenon, Gegenanzeigen)

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. (Fachinformation zu Ergotamin und Koffein, Boxed Warning (umrahmter Warnhinweis))

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). (Fachinformation zu Erlotinib, Arzneimittelwechselwirkungen)

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

The use of LUNESTA with other sedative-hypnotics at bedtime or the middle of the night is not recommended. (Fachinformation zu Eszopiclon, Warnhinweise und Vorsichtsmaßnahmen)

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) ] . (Fachinformation zu Ezetimib und Simvastatin, Gegenanzeigen)

IT IS NOT KNOWN WHETHER CONCOMITANT USE OF OTHER ANTIEPILEPTIC DRUGS AND/OR OTHER DRUGS AFFECT THE INCIDENCE OF HEPATIC FAILURE. (Fachinformation zu Felbamat, Boxed Warning (umrahmter Warnhinweis))

• Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Fentanyl, Boxed Warning (umrahmter Warnhinweis))

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) ]. (Fachinformation zu Fesoterodin, Arzneimittelwechselwirkungen)

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) ] . (Fachinformation zu Flibanserin, Boxed Warning (umrahmter Warnhinweis))

Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): Use not recommended. (Fachinformation zu Fluticason, Arzneimittelwechselwirkungen)

Avoid strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): May increase risk of systemic corticosteroid and cardiovascular effects. (Fachinformation zu Fluticason und Salmeterol, Arzneimittelwechselwirkungen)

…Hypericum perforatum ) Lipid modifying agents: Lomitapide, lovastatin, simvastatin Non-nucleoside reverse transcriptase inhibitor: Delavirdine PDE5 inhibitor: Sildenafil (Revatio) (for treatment of pulmonary arterial hypertension) Sedative/hypnotics: Midazolam, triazolam Hypersensitivity to fosamprenavir calcium or amprenavir (e.g., Stevens-Johnson syndrome). (Fachinformation zu Fosamprenavir, Gegenanzeigen)

Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Hydrocodon, Boxed Warning (umrahmter Warnhinweis))

…ABUSE, AND MISUSE; LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; MEDICATION ERRORS; CYTOCHROME P450 3A4 INTERACTION; CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS; INTERACTION WITH ALCOHOL; NEONATAL OPIOID WITHDRAWAL SYNDROME WARNING: ADDICTION, ABUSE, AND MISUSE; LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION;… (Fachinformation zu Hydrocodon und Chlorphenamin, Boxed Warning (umrahmter Warnhinweis))

…ABUSE, AND MISUSE; LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; MEDICATION ERRORS; CYTOCHROME P450 3A4 INTERACTION; CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS; INTERACTION WITH ALCOHOL; NEONATAL OPIOID WITHDRAWAL SYNDROME Addiction, Abuse, and Misuse Hydrocodone bitartrate and homatropine methylbromide exposes patients and… (Fachinformation zu Hydrocodon und Homatropin, Boxed Warning (umrahmter Warnhinweis))

…LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; NEONATAL OPIOID WITHDRAWAL SYNDROME; CYTOCHROME P4503A4 INTERACTION; RISKS FROM CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS; and SERIOUS CARDIOVASCULAR AND GASTROINTESTINAL EVENTS WARNING: SERIOUS AND LIFE-THREATENING RISKS FROM USE OF HYDROCODONE BITARTRATE AND IBUPROFEN TABLETS Addiction,… (Fachinformation zu Hydrocodon und Ibuprofen, Boxed Warning (umrahmter Warnhinweis))

Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Hydrocodon und Paracetamol, Boxed Warning (umrahmter Warnhinweis))

Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death . (Fachinformation zu Hydromorphon, Boxed Warning (umrahmter Warnhinweis))

Rarely, cardiac arrests and death have been reported in association with the combined use of hydroxyzine hydrochloride intramuscularly and other CNS depressants. (Fachinformation zu Hydroxyzin, Vorsichtsmaßnahmen)

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

To avoid phenytoin intoxication, appropriate adjustment of the anticonvulsant should be made 5,6 . (Fachinformation zu Isoniazid, Arzneimittelwechselwirkungen)

Anticonvulsants Carbamazepine Not recommended 2 weeks before, during, and 2 weeks after TOLSURA treatment. (Fachinformation zu Itraconazol, Arzneimittelwechselwirkungen)

…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 ) (Fachinformation zu Ivabradin, Gegenanzeigen)

Benzodiazepines, Opioid Analgesics, or other CNS Depressants : Concomitant use may result in profound sedation, respiratory depression, coma, or death. (Fachinformation zu Ketamin, Arzneimittelwechselwirkungen)

This may potentiate and prolong hypnotic and sedative effects, especially with repeated dosing or chronic administration of these agents. (Fachinformation zu Ketoconazol, Gegenanzeigen)

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

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

Strong or moderate CYP3A inhibitors: 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)

Avoid concurrent use of alcohol or other central nervous system depressants with XYZAL. (Fachinformation zu Levocetirizin, Warnhinweise und Vorsichtsmaßnahmen)

Risks from Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Levorphanol, Boxed Warning (umrahmter Warnhinweis))

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) ]. (Fachinformation zu Lomitapid, Gegenanzeigen)

…Non-opioid Analgesic (selective blocker of Nav1.8 sodium channels): suzetrigine PDE5 Inhibitor: sildenafil (Revatio ® ) when used for the treatment of pulmonary arterial hypertension Sedative/Hypnotics: triazolam, orally administered midazolam KALETRA is contraindicated with drugs that are potent CYP3A inducers where significantly reduced lopinavir plasma concentrations… (Fachinformation zu Lopinavir und Ritonavir, Gegenanzeigen)

Caution patients receiving LOREEV XR against operating machinery or driving a motor vehicle as well to avoid the concomitant use of alcohol and other CNS depressant drugs during treatment ( 5.4 , 7 ) (Fachinformation zu Lorazepam, Warnhinweise und Vorsichtsmaßnahmen)

• Strong CYP3A Inhibitors : Avoid concomitant use; reduce LORBRENA dose if concomitant use cannot be avoided. (Fachinformation zu Lorlatinib, Arzneimittelwechselwirkungen)

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 ). (Fachinformation zu Lovastatin, Gegenanzeigen)

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

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

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 )]. (Fachinformation zu Maraviroc, Gegenanzeigen)

If concomitant use with another CNS depressant is warranted, closely monitor for signs of respiratory depression and sedation, particularly during treatment initiation and dosage increases. (Fachinformation zu Metaxalon, Warnhinweise und Vorsichtsmaßnahmen)

Managing Risks from Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, is a risk factor for respiratory depression and death [see Warnings and Precautions ( 5.2 )]. (Fachinformation zu Methadon, Boxed Warning (umrahmter Warnhinweis))

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. (Fachinformation zu Methylergometrin, Arzneimittelwechselwirkungen)

WARNING: PERSONNEL AND EQUIPMENT FOR MONITORING AND RESUSCITATION AND RISKS FROM CONCOMITANT USE WITH OPIOID ANALGESICS AND OTHER SEDATIVE-HYPNOTICS Personnel and Equipment for Monitoring and Resuscitation Only personnel trained in the administration of procedural sedation, and not involved in the conduct of the diagnostic or therapeutic procedure, should administer… (Fachinformation zu Midazolam, Boxed Warning (umrahmter Warnhinweis))

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

Strong CYP3A Inhibitors and Inducers: Avoid concomitant use. (Fachinformation zu Mitapivat, Arzneimittelwechselwirkungen)

Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Morphin, Boxed Warning (umrahmter Warnhinweis))

Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Nalbuphin, Boxed Warning (umrahmter Warnhinweis))

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)

Risk of Recurrent Respiratory and CNS Depression : A recurrence of respiratory depression is possible, therefore, keep the patient under continued surveillance and administer repeat doses of ZURNAI using a new auto-injector with each dose while awaiting emergency medical assistance. (Fachinformation zu Nalmefen, Warnhinweise und Vorsichtsmaßnahmen)

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… (Fachinformation zu Naloxegol, Gegenanzeigen)

…(e.g., buprenorphine) use, or acute opiate withdrawal [see Warnings and Precautions (5.4) and Drug Interactions (7.2) ] Patients undergoing an abrupt discontinuation of alcohol, benzodiazepines, barbiturates, and antiepileptic drugs [see Warnings and Precautions (5.3) and Drug Interactions (7.7) ] Concomitant administration of monoamine oxidase inhibitors (MAOI). (Fachinformation zu Naltrexon und Bupropion, Gegenanzeigen)

Abuse or misuse of illicit GHB, either alone or in combination with other CNS depressants, is associated with CNS adverse reactions, including seizure, respiratory depression, decreases in the level of consciousness, coma, and death [see Warnings and Precautions ( 5.2 )]. (Fachinformation zu Natriumoxybat, Boxed Warning (umrahmter Warnhinweis))

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)

Avoid use of concomitant drugs known to prolong the QT interval and strong CYP3A4 inhibitors [see Drug Interactions ( 7.1 , 7.2 )] . (Fachinformation zu Nilotinib, Boxed Warning (umrahmter Warnhinweis))

Therefore, the concomitant administration of NYMALIZE and strong CYP3A4 inhibitors should generally be avoided [ see Warnings and Precautions (5.3) ]. (Fachinformation zu Nimodipin, 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)

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. (Fachinformation zu Nisoldipin, Arzneimittelwechselwirkungen)

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)

Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Oliceridin, Boxed Warning (umrahmter Warnhinweis))

• Avoid concurrent use of alcohol or other central nervous system depressants with olopatadine hydrochloride nasal solution (nasal spray) ( 5.2 ). (Fachinformation zu Olopatadin, Warnhinweise und Vorsichtsmaßnahmen)

• Avoid concurrent use of alcohol or other central nervous system (CNS) depressants with RYALTRIS because additional reductions in alertness and additional impairment of CNS performance may occur. (Fachinformation zu Olopatadin und Mometason, Warnhinweise und Vorsichtsmaßnahmen)

Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Oxycodon, Boxed Warning (umrahmter Warnhinweis))

…LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; NEONATAL OPIOID WITHDRAWAL SYNDROME; CYTOCHROME P450 3A4 INTERACTION; and RISKS FROM CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS Addiction, Abuse, and Misuse Oxycodone hydrochloride tablets exposes patients and other users to the risks of opioid addiction, abuse, and misuse, which can lead to… (Fachinformation zu Oxycodon und Paracetamol, Boxed Warning (umrahmter Warnhinweis))

Risks From Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Oxymorphon, 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)

Risks from Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Paracetamol und Codein, Boxed Warning (umrahmter Warnhinweis))

Strong CYP3A4 Inhibitors : Avoid coadministration of VOTRIENT with strong CYP3A4 inhibitors. (Fachinformation zu Pazopanib, Arzneimittelwechselwirkungen)

…MITIGATION STRATEGY (REMS); LIFE-THREATENING RESPIRATORY DEPRESSION; ACCIDENTAL INGESTION; NEONATAL OPIOID WITHDRAWAL SYNDROME; and RISKS FROM CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS Addiction, Abuse, and Misuse Pentazocine and Naloxone Tablets exposes patients and other users to the risks of opioid addiction, abuse, and misuse, which can lead to… (Fachinformation zu Pentazocin und Naloxon, Boxed Warning (umrahmter Warnhinweis))

Risks from Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Pethidin, Boxed Warning (umrahmter Warnhinweis))

Phenelzine sulfate should not be used in combination with dextromethorphan or with CNS depressants such as alcohol and certain narcotics. (Fachinformation zu Phenelzin, Gegenanzeigen)

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)

…PROMETHAZINE AND RESPIRATORY DEPRESSION IN CHILDREN; MEDICATION ERRORS; INTERACTIONS WITH DRUGS AFFECTING CYTOCHROME P450 ISOENZYMES; CONCOMITANT USE WITH BENZODIAZEPINES OR OTHER CNS DEPRESSANTS; NEONATAL OPIOID WITHDRAWAL SYNDROME Addiction, Abuse, and Misuse Promethazine HCl and Codeine Phosphate Oral Solution exposes patients and other users to the risks… (Fachinformation zu Promethazin und Codein, Boxed Warning (umrahmter Warnhinweis))

• Avoid simultaneous use of propafenone with both a cytochrome P450 2D6 (CYP2D6) inhibitor and a 3A4 inhibitor (CYP3A4). (Fachinformation zu Propafenon, Warnhinweise und Vorsichtsmaßnahmen)

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)

Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Remifentanil, Boxed Warning (umrahmter Warnhinweis))

Table 2: Drugs That are Contraindicated with EDURANT and EDURANT PED Drug Class Contraindicated Drugs in Class Clinical Comment Anticonvulsants Carbamazepine Oxcarbazepine Phenobarbital Phenytoin Potential for significant decreases in rilpivirine plasma concentrations due to CYP3A enzyme induction, which may result in loss of virologic response. (Fachinformation zu Rilpivirin, Gegenanzeigen)

• Strong CYP3A4 Inhibitors: Avoid concomitant administration. (Fachinformation zu Rimegepant, Arzneimittelwechselwirkungen)

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

WARNING: DRUG-DRUG INTERACTIONS LEADING TO POTENTIALLY SERIOUS AND/OR LIFE THREATENING REACTIONS Co-administration of NORVIR with several classes of drugs including sedative hypnotics, antiarrhythmics, or ergot alkaloid preparations may result in potentially serious and/or life-threatening adverse events due to possible effects of NORVIR on the hepatic metabolism… (Fachinformation zu Ritonavir, Boxed Warning (umrahmter Warnhinweis))

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) ] . (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)

• Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): Use not recommended. (Fachinformation zu Salmeterol, Arzneimittelwechselwirkungen)

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… (Fachinformation zu Silodosin, Gegenanzeigen)

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) ] . (Fachinformation zu Simvastatin, Gegenanzeigen)

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)

Anticonvulsants: carbamazepine phenytoin phenobarbital ↓ sofosbuvir ↓ velpatasvir ↓ voxilaprevir Coadministration is not recommended. (Fachinformation zu Sofosbuvir und Velpatasvir, Arzneimittelwechselwirkungen)

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 )] . (Fachinformation zu Solifenacin, Arzneimittelwechselwirkungen)

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

Concomitant use of JOURNAVX with strong CYP3A inhibitors is contraindicated [see Warnings and Precautions (5.1) , Drug Interactions (7.1) ] . (Fachinformation zu Suzetrigin, Gegenanzeigen)

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

• Should not be used in combination with strong inhibitors of CYP3A4. (Fachinformation zu Tamsulosin, Warnhinweise und Vorsichtsmaßnahmen)

Risks From Concomitant Use With Benzodiazepines Or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Tapentadol, Boxed Warning (umrahmter Warnhinweis))

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)

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)

…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… (Fachinformation zu Tolvaptan, Gegenanzeigen)

Drugs known to prolong the QT interval and strong CYP3A4 inhibitors should be avoided [see Warnings and Precautions (5.1) ] . (Fachinformation zu Toremifen, Boxed Warning (umrahmter Warnhinweis))

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

Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Tramadol, Boxed Warning (umrahmter Warnhinweis))

Risks from Concomitant Use with Benzodiazepines or Other CNS Depressants Concomitant use of opioids with benzodiazepines or other central nervous system (CNS) depressants, including alcohol, may result in profound sedation, respiratory depression, coma, and death. (Fachinformation zu Tramadol und Paracetamol, Boxed Warning (umrahmter Warnhinweis))

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… (Fachinformation zu Trazodon, Warnhinweise und Vorsichtsmaßnahmen)

• Strong CYP3A Inhibitors and Inducers: Avoid coadministration with strong CYP3A inhibitors and inducers. (Fachinformation zu Tretinoin, Arzneimittelwechselwirkungen)

• Effects on Driving and Operating Heavy Machinery : Patients receiving triazolam should be cautioned against driving or operating heavy machinery, as well as avoiding concomitant use with alcohol and other CNS depressant drugs. (Fachinformation zu Triazolam, Warnhinweise und Vorsichtsmaßnahmen)

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. (Fachinformation zu Ubrogepant, Gegenanzeigen)

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)

Children under the age of two years are at a considerably increased risk of developing fatal hepatotoxicity, especially those on multiple anticonvulsants, those with congenital metabolic disorders, those with severe seizure disorders accompanied by mental retardation, and those with organic brain disease. (Fachinformation zu Valproat-Seminatrium (Divalproex), Boxed Warning (umrahmter Warnhinweis))

Children under the age of two years are at a considerably increased risk of developing fatal hepatotoxicity, especially those on multiple anticonvulsants, those with congenital metabolic disorders, those with severe seizure disorders accompanied by mental retardation, and those with organic brain disease. (Fachinformation zu Valproinsäure, Boxed Warning (umrahmter Warnhinweis))

Avoid concomitant use of VEPPANU with strong CYP3A inhibitors or drugs known to prolong the QTc interval. (Fachinformation zu Vepdegestrant, Warnhinweise und Vorsichtsmaßnahmen)

Therefore, the concomitant use of strong CYP3A inhibitors with vincristine sulfate should be avoided. (Fachinformation zu Vincristin, Arzneimittelwechselwirkungen)

The use of zaleplon with other sedative-hypnotics at bedtime or the middle of the night is not recommended (see ). (Fachinformation zu Zaleplon, Warnhinweise)

The use of Zolpidem Tartrate with other sedative-hypnotics (including other zolpidem products) at bedtime or the middle of the night is not recommended. (Fachinformation zu Zolpidem, Warnhinweise und Vorsichtsmaßnahmen)

• 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. (Fachinformation zu Abrocitinib, Arzneimittelwechselwirkungen)

By decreasing the gastrointestinal absorption of primidone, acetazolamide may decrease serum concentrations of primidone and its metabolites, with a consequent possible decrease in anticonvulsant effect. (Fachinformation zu Acetazolamid, Arzneimittelwechselwirkungen)

Anticonvulsants Salicylic acid can displace protein-bound phenytoin and valproic acid, leading to a decrease in the total concentration of phenytoin and an increase in serum valproic acid levels. (Fachinformation zu Acetylsalicylsäure und Dipyridamol, Arzneimittelwechselwirkungen)

Risk of Neurologic Symptoms: Neurocysticercosis patients may experience cerebral hypertensive episodes, seizures or focal neurologic deficits after initiation of therapy; begin appropriate steroid and anticonvulsant therapy. (Fachinformation zu Albendazol, Warnhinweise und Vorsichtsmaßnahmen)

Inform patients also that the central nervous system depressant effects of allopurinol tablets may be additive to those of alcohol and other CNS depressants. (Fachinformation zu Allopurinol, Warnhinweise und Vorsichtsmaßnahmen)

CYP3A4 inhibitors: Use with caution in combination due to increased exposure of alosetron. (Fachinformation zu Alosetron, Arzneimittelwechselwirkungen)

25% increase Diazepam Benzodiazepines increase CNS concentrations of adenosine, a potent CNS depressant, while theophylline blocks adenosine receptors. (Fachinformation zu Aminophyllin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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. (Fachinformation zu Amlodipin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Amlodipin und Atorvastatin, Arzneimittelwechselwirkungen)

CYP3A4 Inhibitors : Coadministration with CYP3A inhibitors (moderate and strong) results in increased systemic exposure to amlodipine and may require dose reduction. (Fachinformation zu Amlodipin und Benazepril, Arzneimittelwechselwirkungen)

• 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. (Fachinformation zu Amlodipin und Olmesartan, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Amlodipin und Valsartan, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

…cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine Monoamine Oxidase Inhibitors, Nonselective Beta-Adrenergic… (Fachinformation zu Articain und Adrenalin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

LIPITOR plasma levels can be significantly increased with concomitant administration of inhibitors of CYP3A4 and transporters. (Fachinformation zu Atorvastatin, Arzneimittelwechselwirkungen)

CYP3A4/5 Inhibitors Co-administration of ketoconazole, a strong inhibitor of CYP3A4/5, increased the plasma exposure of axitinib in healthy volunteers. (Fachinformation zu Axitinib, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Patients with major risk factors for decreased bone mineral content, such as prolonged immobilization, family history of osteoporosis, or chronic use of drugs that can reduce bone mass (e.g., anticonvulsants and corticosteroids) should be monitored and treated with established standards of care. (Fachinformation zu Beclometason, Warnhinweise und Vorsichtsmaßnahmen)

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)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Use with CNS depressants may result in an additive or potentiating effect. (Fachinformation zu Brimonidin, Arzneimittelwechselwirkungen)

Use with CNS depressants may result in an additive or potentiating effect. (Fachinformation zu Brimonidin und Timolol, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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… (Fachinformation zu Budesonid, Warnhinweise und Vorsichtsmaßnahmen)

Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir): Risk of increased systemic corticosteroid effects. (Fachinformation zu Budesonid und Formoterol, Warnhinweise und Vorsichtsmaßnahmen)

Possible early warning signs of central nervous system (CNS) toxicity are restlessness, anxiety, incoherent speech, lightheadedness, numbness and tingling of the mouth and lips, metallic taste, tinnitus, dizziness, blurred vision, tremors, twitching, CNS depression, or drowsiness. (Fachinformation zu Bupivacain, Warnhinweise und Vorsichtsmaßnahmen)

Possible early warning signs of central nervous system (CNS) toxicity are restlessness, anxiety, incoherent speech, lightheadedness, numbness and tingling of the mouth and lips, metallic taste, tinnitus, dizziness, blurred vision, tremors, twitching, CNS depression, or drowsiness. (Fachinformation zu Bupivacain und Adrenalin, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Triazolam/flurazepam: Coadministration of buspirone with either triazolam or flurazepam did not appear to prolong or intensify the sedative effects of either benzodiazepine. (Fachinformation zu Buspiron, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Lamotrigine, Carbamazepine: Increase dosage as needed when used concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

…procaine, ropivacaine, tetracaine Antineoplastic agents cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants Phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine (Fachinformation zu Chloroprocain, Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Patients with major risk factors for decreased bone mineral content, such as prolonged immobilization, family history of osteoporosis, or chronic use of drugs that can reduce bone mass (e.g., anticonvulsants and oral corticosteroids) should be monitored and treated with established standards of care. (Fachinformation zu Ciclesonid, Warnhinweise und Vorsichtsmaßnahmen)

Drugs/Dietary Supplements That Decrease Cyclosporine Concentrations Antibiotics Anticonvulsants Other Drugs/Dietary Supplements nafcillin carbamazepine bosentan St. (Fachinformation zu Ciclosporin, Arzneimittelwechselwirkungen)

Strong and moderate CYP3A4 and CYP2C19 inhibitors: Increase exposure to cilostazol. (Fachinformation zu Cilostazol, Arzneimittelwechselwirkungen)

Co-administration with a strong CYP3A4 inhibitor may increase serum levels of cinacalcet. (Fachinformation zu Cinacalcet, Arzneimittelwechselwirkungen)

Antiepileptics: Carbamazepine Use With Caution Carbamazepine: Concomitant administration of single doses of clarithromycin and carbamazepine has been shown to result in increased plasma concentrations of carbamazepine. (Fachinformation zu Clarithromycin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Inhibitors of CYP3A4 and CYP3A5 Inhibitors of CYP3A4 and/or CYP3A5 may increase plasma concentrations of clindamycin [ see Clinical Pharmacology (12.3) ]. (Fachinformation zu Clindamycin, Arzneimittelwechselwirkungen)

Phenobarbital and Clobazam: Reduce dosage as needed when used concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

CYP3A4 Inhibitors The systemic exposure of darifenacin from darifenacin extended-release tablets is increased in the presence of CYP3A4 inhibitors. (Fachinformation zu Darifenacin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Alcohol or other sedating drugs: May have additive sedation and somnolence ( 7.5 ) (Fachinformation zu Deutetrabenazin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, 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)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Exercise caution when prescribing ZIPSOR with concomitant drugs that are known to be potentially hepatotoxic (e.g., acetaminophen, antibiotics, antiepileptics). (Fachinformation zu Diclofenac, Warnhinweise und Vorsichtsmaßnahmen)

Exercise caution when prescribing diclofenac sodium/misoprostol with concomitant drugs that are known to be potentially hepatotoxic (e.g., antibiotics, anti-epileptics). (Fachinformation zu Diclofenac und Misoprostol, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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)

Strong cytochrome P450 (CYP) 3A inhibitors may increase exposure to doxazosin and increased risk of hypotension. (Fachinformation zu Doxazosin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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)

Barbiturates and Anti-Epileptics Barbiturates, carbamazepine, and phenytoin decrease the half-life of doxycycline. (Fachinformation zu Doxycyclin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions ( 7.1 ) ] . (Fachinformation zu Efavirenz, Warnhinweise und Vorsichtsmaßnahmen)

Patients who are receiving concomitant anticonvulsant medications primarily metabolized by the liver, such as phenytoin and phenobarbital, may require periodic monitoring of plasma levels [see Drug Interactions (7.5) ] . (Fachinformation zu Efavirenz, Lamivudin und Tenofovir, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Other Agents Anticonvulsants: carbamazepine oxcarbazepine phenobarbital phenytoin ↓ TAF Consider alternative anticonvulsant. (Fachinformation zu Emtricitabin und Tenofovir, Arzneimittelwechselwirkungen)

If focal tremors, myoclonus, or seizures occur, patients should be evaluated neurologically, placed on anticonvulsant therapy if not already instituted, and the dosage of INVANZ re-examined to determine whether it should be decreased or discontinued. (Fachinformation zu Ertapenem, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Etravirin, Arzneimittelwechselwirkungen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, 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)

Coadministration of CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, erythromycin, grapefruit juice, cimetidine) with felodipine may lead to several-fold increases in the plasma levels of felodipine, either due to an increase in bioavailability or due to a decrease in metabolism. (Fachinformation zu Felodipin, 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)

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)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Anticonvulsants: Potential for elevated phenytoin and carbamazepine levels and clinical anticonvulsant toxicity ( 7.7 ) (Fachinformation zu Fluoxetin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Potential Pimozide Interaction Pimozide is metabolized by the cytochrome P4503A4 isoenzyme, and it has been demonstrated that ketoconazole, a potent inhibitor of CYP3A4, blocks the metabolism of this drug, resulting in increased plasma concentrations of parent drug. (Fachinformation zu Fluvoxamin, Warnhinweise und Vorsichtsmaßnahmen)

Effects of VYKOURA on Other Drugs Certain Antiepileptic Drugs Increase monitoring for seizure activity in patients taking certain concomitant antiepileptic drugs. (Fachinformation zu Folinsäure (Leucovorin), Arzneimittelwechselwirkungen)

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)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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

Other Anticholinergic Drugs There is potential for an additive interaction between glycopyrrolate and concomitantly used anticholinergic drugs (e.g., tricyclic antidepressants, anti-epileptics, class I antiarrhythmics, anti­-spasmodics, amantadine) resulting in increased anticholinergic adverse reactions. (Fachinformation zu Glycopyrroniumbromid, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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. (Fachinformation zu Hydrocortison, Arzneimittelwechselwirkungen)

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

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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

If focal tremors, myoclonus, or seizures occur, patients should be evaluated neurologically, placed on anticonvulsant therapy if not already instituted, and the dosage of PRIMAXIN re-examined to determine whether it should be decreased, or the antibacterial drug discontinued ( 5.2 ). (Fachinformation zu Imipenem und Cilastatin, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, 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)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Lamotrigine, Carbamazepine: Increase dosage as needed when used concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

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)

Anticonvulsants: carbamazepine phenytoin phenobarbital ↓ ledipasvir ↓ sofosbuvir Coadministration of ledipasvir and sofosbuvir with carbamazepine, phenytoin, or phenobarbital is expected to decrease the concentration of ledipasvir and sofosbuvir, leading to reduced therapeutic effect of ledipasvir and sofosbuvir. (Fachinformation zu Ledipasvir und Sofosbuvir, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Effects of Leucovorin Products on Other Drugs Antiepileptic Drugs Folic acid in large amounts may counteract the antiepileptic effect of phenobarbital, phenytoin and primidone and increase the frequency of seizures in susceptible children. (Fachinformation zu Levofolinsäure (Levoleucovorin), Arzneimittelwechselwirkungen)

Strong CYP3A4 inhibitors : Maximum recommended dosage is 80 mg once daily ( 7 ). (Fachinformation zu Levomilnacipran, Arzneimittelwechselwirkungen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Possible early warning signs of central nervous system (CNS) toxicity are restlessness, anxiety, incoherent speech, lightheadedness, metallic taste, tinnitus, dizziness, blurred vision, tremors, twitching, CNS depression, or drowsiness. (Fachinformation zu Lidocain und Adrenalin, Warnhinweise und Vorsichtsmaßnahmen)

…prilocaine, procaine, ropivacaine, tetracaine Antineoplastic agents cyclophosphamide, flutamide, hydroxyurea, isofamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sufonamides Antimalarials chloroquine, primaquine Anticonvulsants Phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine (Fachinformation zu Lidocain und Prilocain, 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)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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. (Fachinformation zu Loperamid, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Mefloquin, Arzneimittelwechselwirkungen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, 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)

…procaine, ropivacaine, tetracaine Antineoplastic agents cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine (Fachinformation zu Mepivacain, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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)

Concurrent use of metyrosine with alcohol or other CNS depressants can increase their sedative effects. (Fachinformation zu Metirosin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir): Risk of increased systemic corticosteroid effects. (Fachinformation zu Mometason, Warnhinweise und Vorsichtsmaßnahmen)

WARNINGS AND PRECAUTIONS Risk of Recurrent Respiratory and CNS Depression : Due to the duration of action of naloxone relative to the opioid, respiratory and CNS depression may recur after the first dose of naloxone. (Fachinformation zu Naloxon, Warnhinweise und Vorsichtsmaßnahmen)

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)

…Astemizole, Cisapride, and Pimozide Interactions Terfenadine, astemizole, cisapride, and pimozide are all metabolized by the cytochrome P450 3A4 (CYP3A4) isozyme, and it has been demonstrated that ketoconazole, erythromycin, and other inhibitors of CYP3A4 can block the metabolism of these drugs, which can result in increased plasma concentrations of parent drug. (Fachinformation zu Nefazodon, Warnhinweise)

Anticonvulsants: Carbamazepine, clonazepam, ethosuximide Plasma concentrations of nevirapine and the anticonvulsant may be decreased. (Fachinformation zu Nevirapin, Arzneimittelwechselwirkungen)

Coadministration of P-gp and CYP3A4 inhibitors may increase nintedanib exposure. (Fachinformation zu Nintedanib, Arzneimittelwechselwirkungen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

• Increased amlodipine exposure when coadministered with CYP3A inhibitors Hydrochlorothiazide ( 7.3 ): • Antidiabetic drugs: Dosage adjustment of antidiabetic may be required. (Fachinformation zu Olmesartan, Amlodipin und Hydrochlorothiazid, Arzneimittelwechselwirkungen)

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)

Drug Interactions and Decreased Vitamin Absorption ORLISTAT may interact with concomitant drugs including cyclosporine, levothyroxine, warfarin, amiodarone, antiepileptic drugs, and antiretroviral drugs [see Drug Interactions (7) ]. (Fachinformation zu Orlistat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Co-administration with strong cytochrome P450 (CYP) 3A4 inhibitors (e.g., ketoconazole) increases the systemic exposure of oxybutynin. (Fachinformation zu Oxybutynin, Arzneimittelwechselwirkungen)

Exposure of Paricalcitol Injection will increase upon coadministration with strong CYP3A inhibitors [see Clinical Pharmacology (12.3) ] . (Fachinformation zu Paricalcitol, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Phenobarbital and Clobazam: Reduce dosage as needed when used concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Phenobarbital and Clobazam: Reduce dosage as needed when used concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Phenytoin: Gradually decrease phenytoin dosage by up to 50%. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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

Concomitant Use with Midazolam : Noxafil can prolong hypnotic/sedative effects. (Fachinformation zu Posaconazol, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

…cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine The administration of local anesthetic injections containing… (Fachinformation zu Prilocain und Adrenalin, Arzneimittelwechselwirkungen)

Published clinical reports indicate primaquine may inhibit CYP3A4 enzyme activity and thus may lead to increased exposure of oral CYP3A4 substrate drugs when co-administered with Primaquine phosphate Tablets. (Fachinformation zu Primaquin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

CYP2C8 and CYP3A4 Inhibitors Intervention: Repaglinide tablets dose reductions 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)

…Hormonal Contraceptives Prevention or Management: Advise patients to change to non-hormonal methods of birth control during rifampin therapy Estrogens Decrease exposure Progestins Anticonvulsants Phenytoin Administered with rifampin 450 mg daily Decrease exposure Antiarrhythmics Disopyramide Decrease exposure Mexiletine Decrease exposure Quinidine Decrease exposure… (Fachinformation zu Rifampicin, Arzneimittelwechselwirkungen)

…Disopyramide, mexiletine, quinidine, tocainide Antibiotics Chloramphenicol, clarithromycin, dapsone, doxycycline; Fluoroquinolones (such as ciprofloxacin) Oral Anticoagulants Warfarin Anticonvulsants Phenytoin Antimalarials Quinine Azole Antifungals Fluconazole, itraconazole, ketoconazole Antipsychotics Haloperidol Barbiturates Phenobarbital Benzodiazepines Diazepam… (Fachinformation zu Rifapentin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Reduced Rocuronium Bromide Injection activity possible : Anticonvulsants. (Fachinformation zu Rocuronium, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

…cyclophosphamide, flutamide, hydroxyurea, ifosfamide, rasburicase Antibiotics dapsone, nitrofurantoin, para-aminosalicylic acid, sulfonamides Antimalarials chloroquine, primaquine Anticonvulsants Phenobarbital, phenytoin, sodium valproate Other drugs acetaminophen, metoclopramide, quinine, sulfasalazine NAROPIN should be used with caution in patients receiving… (Fachinformation zu Ropivacain, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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

Strong Inhibitors of CYP3A4/5 Enzymes Ketoconazole significantly increased saxagliptin exposure. (Fachinformation zu Saxagliptin, Arzneimittelwechselwirkungen)

Strong Inhibitors of CYP3A4/5 Enzymes Ketoconazole significantly increased saxagliptin exposure. (Fachinformation zu Saxagliptin und Metformin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

CYP3A4 inhibitors (e.g., ritonavir, ketoconazole, itraconazole, erythromycin) increase SILDENAFIL ORAL FILM exposure. (Fachinformation zu Sildenafil, Arzneimittelwechselwirkungen)

Monitor QT interval more frequently when SUTENT is concomitantly administered with strong CYP3A4 inhibitors or drugs known to prolong QT interval. (Fachinformation zu Sunitinib, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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). (Fachinformation zu Tacrolimus, Warnhinweise und Vorsichtsmaßnahmen)

…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 )] . (Fachinformation zu Tadalafil, Warnhinweise und Vorsichtsmaßnahmen)

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. (Fachinformation zu Telmisartan und Amlodipin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, 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)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

25% increase Diazepam Benzodiazepines increase CNS concentrations of adenosine, a potent CNS depressant, while theophylline blocks adenosine receptors. (Fachinformation zu Theophyllin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Phenytoin, fosphenytoin: Adjustment of anticonvulsant and/or tinidazole dose(s) may be needed ( 7.1, 7.2 ) (Fachinformation zu Tinidazol, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

…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… (Fachinformation zu Tofacitinib, Arzneimittelwechselwirkungen)

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 ). (Fachinformation zu Tolterodin, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Excessive reduction of blood glucose (additive effect) f CNS depressant agents (including opioids, alcohol, sedatives, hypnotics) Use with caution d Increased CNS depression Dietary supplements containing sympathomimetics Contraindicated a Antidepressants including but not limited to: Other MAOIs (e.g., linezolid, intravenous methylene blue, selective MAOIs)… (Fachinformation zu Tranylcypromin, Arzneimittelwechselwirkungen)

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

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. (Fachinformation zu Triamcinolon, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concurrent use of alcohol or other CNS depressants with trihexyphenidyl may cause increased sedative effects. (Fachinformation zu Trihexyphenidyl, Arzneimittelwechselwirkungen)

The recent use of other drugs that cause CNS depression or EPS symptoms may also increase the risk; consider reducing the dosage or discontinuing the drug. (Fachinformation zu Trimethobenzamid, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

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,… (Fachinformation zu Umeclidiniumbromid und Vilanterol, Warnhinweise und Vorsichtsmaßnahmen)

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. (Fachinformation zu Vardenafil, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use of CYP3A4 inhibitors and venlafaxine may increase levels of venlafaxine and ODV. (Fachinformation zu Venlafaxin, Arzneimittelwechselwirkungen)

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

Oral Contraceptives: Effectiveness of hormonal oral contraceptives may be reduced when administered concomitantly with XCOPRI. (Fachinformation zu Cenobamat, Arzneimittelwechselwirkungen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

CYP3A4 Inhibitors: The VIIBRYD dose should not exceed 20 mg once daily when co-administered with strong CYP3A4 inhibitors ( 2.4 , 7 ). (Fachinformation zu Vilazodon, Arzneimittelwechselwirkungen)

CYP3A4 Substrates Clinical Impact Viloxazine is a weak inhibitor of CYP3A4 which increases the exposure of CYP3A4 substrates when coadministered [see Clinical Pharmacology (12.3) ]. (Fachinformation zu Viloxazin, Arzneimittelwechselwirkungen)

Inhibitors of CYP3A4: May cause earlier onset and/or increased severity of adverse reactions ( 7.1 ) (Fachinformation zu Vinorelbin, Arzneimittelwechselwirkungen)

Eszopiclone (CYP3A4 Inhibition) Not Studied In Vivo or In Vitro , but Drug Plasma Exposure Likely to be Increased which may Increase the Sedative Effect of Eszopiclone Dose reduction of eszopiclone is recommended. (Fachinformation zu Voriconazol, Arzneimittelwechselwirkungen)

Closely monitor INR if a concomitant drug is a CYP2C9, 1A2, and/or 3A4 inhibitor or inducer. (Fachinformation zu Warfarin, Arzneimittelwechselwirkungen)

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. (Fachinformation zu Zafirlukast, Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Concomitant use with other CNS depressants or alcohol may have additive effects. (Fachinformation zu Cenobamat, Warnhinweise und Vorsichtsmaßnahmen)

Anticonvulsant therapy can be given if clinically indicated. (Fachinformation zu Cefalexin, Warnhinweise und Vorsichtsmaßnahmen)

Anticonvulsant therapy should be continued in patients with known seizure disorders. (Fachinformation zu Cefazolin, Warnhinweise und Vorsichtsmaßnahmen)

Antihistamines Amphetamines may counteract the sedative effect of antihistamines. (Fachinformation zu Dexamfetamin, 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)

In Drug-Induced CNS and Respiratory Depression Doxapram alone may not stimulate adequate spontaneous breathing or provide sufficient arousal in patients who are severely depressed either due to respiratory failure or to CNS depressant drugs, but may be used as an adjunct to established supportive measures and resuscitative techniques. (Fachinformation zu Doxapram, Warnhinweise)

The effect of potent CYP3A4 inhibitors on dutasteride has not been studied. (Fachinformation zu Dutasterid, Arzneimittelwechselwirkungen)

The “gasping syndrome” is characterized by central nervous system (CNS) depression, metabolic acidosis, and gasping respirations. (Fachinformation zu Epoetin alfa, Warnhinweise und Vorsichtsmaßnahmen)

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)

Seizures Although anticonvulsant effects of racemic citalopram have been observed in animal studies, Escitalopram Capsules have not been systematically evaluated in patients with a seizure disorder. (Fachinformation zu Escitalopram, Warnhinweise und Vorsichtsmaßnahmen)

An in vitro study using human liver microsomes suggests that famciclovir is not an inhibitor of CYP3A4 enzymes. (Fachinformation zu Famciclovir, 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)

Antiepileptics The activity of antiepileptic drugs might be impaired if co-administered with PLAQUENIL. (Fachinformation zu Hydroxychloroquin, Arzneimittelwechselwirkungen)

Antiepileptic Drugs Sporadic cases of seizures have been reported during concomitant use of ketorolac tromethamine and antiepileptic drugs (phenytoin, carbamazepine). (Fachinformation zu Ketorolac, Arzneimittelwechselwirkungen)

Anticonvulsants, psychotropic, hormone preparations, corticosteroids, antithyroid agents, cyproheptadine: may affect the results of the metyrapone test. (Fachinformation zu Metyrapon, Arzneimittelwechselwirkungen)

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)

…to date with the following: (1) cardiac glycosides– digitalis and digoxin; (2) hypoglycemics–insulin, chlorpropamide, phenformin, tolazamide, and tolbutamide; (3) tranquilizers and sedatives–chlordiazepoxide, diazepam, and phenobarbital; (4) antigout–allopurinol, colchicine, and probenecid; (5) antiarrhythmics–procainamide, propranolol (see WARNINGS however),… (Fachinformation zu Prazosin, Arzneimittelwechselwirkungen)

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)

These data suggest that GH may alter the clearance of compounds known to be metabolized by CYP450 liver enzymes (e.g., corticosteroids, sex steroids, anticonvulsants, and cyclosporine). (Fachinformation zu Tesamorelin, Arzneimittelwechselwirkungen)

However, no formal drug-drug interaction studies between zileuton and CYP3A4 inhibitors, such as ketaconazole, have been conducted. (Fachinformation zu Zileuton, Arzneimittelwechselwirkungen)

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) .]… (Fachinformation zu Desloratadin, Arzneimittelwechselwirkungen)

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. (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)