Interações de Dronedarona

• CYP3A Inhibitors: Avoid co-administration with strong CYP3A inhibitors. (bula de Acalabrutinibe, Interações medicamentosas)

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

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

• 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) ] . (bula de Alprazolam, Contraindicações)

…phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or PR interval >280 ms • Severe hepatic impairment • Hypersensitivity to the active substance or to any of the excipients • Permanent AF (patients… (bula de Dronedarona, Contraindicações)

…Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval… (bula de Dronedarona, Contraindicações)

…Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval… (bula de Dronedarona, Contraindicações)

• Statins: Avoid simvastatin doses greater than 10 mg daily. (bula de Dronedarona, Interações medicamentosas)

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

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

Drug Class Drugs within class that are contraindicated with REYATAZ Alpha 1-adrenoreceptor antagonist Alfuzosin Anticonvulsants Carbamazepine, phenobarbital, phenytoin Antiarrhythmics Amiodarone (with ritonavir), quinidine (with ritonavir) Antimycobacterials Rifampin Antineoplastics Apalutamide, encorafenib, irinotecan, ivosidenib Antipsychotics Lurasidone (with… (bula de Atazanavir, Contraindicações)

• Statins: Avoid simvastatin doses greater than 10 mg daily. (bula de Dronedarona, Interações medicamentosas)

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

…drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or PR interval >280 ms • Severe… (bula de Dronedarona, Contraindicações)

Concomitant administration of BIXLENVO with combined P-gp, UGT1A1, and strong CYP3A inhibitors is not recommended. (bula de Bictegravir + entricitabina + tenofovir alafenamida, Interações medicamentosas)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

• Strong and Moderate CYP3A Inhibitors: Avoid concomitant use with BOSULIF. (bula de Bosutinibe, Interações medicamentosas)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

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

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

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (bula de Butalbital + ácido acetilsalicílico + cafeína + codeína, Advertência em caixa preta)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (bula de Butalbital + paracetamol + cafeína + codeína, Advertência em caixa preta)

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… (bula de Cabozantinibe, Interações medicamentosas)

Rifampin and Other CYP3A Inducers Avoid rifampin or other CYP3A inducers such as phenobarbital, carbamazepine, phenytoin, and St. (bula de Dronedarona, Interações medicamentosas)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

…atrioventricular (AV) block, or sick sinus syndrome (except when used in conjunction with a functioning pacemaker) • Bradycardia <50 bpm • Concomitant use of strong CYP3A inhibitors, such as ketoconazole, itraconazole, voriconazole, cyclosporine, telithromycin, clarithromycin, nefazodone, and ritonavir [see Drug Interactions (7.2) ] • Concomitant use of erythromycin [see… (bula de Dronedarona, Contraindicações)

…(except when used in conjunction with a functioning pacemaker) • Bradycardia <50 bpm • Concomitant use of strong CYP3A inhibitors, such as ketoconazole, itraconazole, voriconazole, cyclosporine, telithromycin, clarithromycin, nefazodone, and ritonavir [see Drug Interactions (7.2) ] • Concomitant use of erythromycin [see Clinical Pharmacology (12.3) ] • Concomitant… (bula de Dronedarona, Contraindicações)

Avoid use in patients with known prolongation, those with hypokalemia, and with other drugs that prolong the QT interval. (bula de Ciprofloxacino, Advertências e precauções)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

…drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or PR interval >280 ms • Severe… (bula de Dronedarona, Contraindicações)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

…Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval… (bula de Dronedarona, Contraindicações)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (bula de Codeína, Advertência em caixa preta)

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) ] . (bula de Colchicina, Contraindicações)

In patients with severe renal impairment (CrCL 15–30 mL/min), concomitant use of dronedarone with dabigatran should be avoided. (bula de Dronedarona, Interações medicamentosas)

Strong CYP3A4 inhibitors: Avoid concomitant use. (bula de Daridorexanto, Interações medicamentosas)

Alpha 1-adrenoreceptor antagonist: alfuzosin Anti-gout: colchicine, in patients with renal and/or hepatic impairment Antimycobacterial: rifampin Antipsychotics: lurasidone, pimozide Cardiac Disorders: dronedarone, ivabradine, ranolazine Ergot derivatives, e.g. dihydroergotamine, ergotamine, methylergonovine Herbal product: St. (bula de Darunavir, Contraindicações)

…antagonist: alfuzosin Anticonvulsants: carbamazepine, phenobarbital, phenytoin Anti-gout: colchicine, in patients with renal and/or hepatic impairment Antimycobacterial: rifampin Antipsychotics: lurasidone, pimozide Cardiac Disorders: dronedarone, ivabradine, ranolazine Ergot derivatives, e.g. dihydroergotamine, ergotamine, methylergonovine Herbal product: St. (bula de Darunavir + cobicistate, Contraindicações)

Avoid concomitant use of strong CYP3A4 inhibitors. (bula de Dasatinibe, Interações medicamentosas)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

…Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval… (bula de Dronedarona, Contraindicações)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

QT Prolongation: Monitor ECG if concomitant use of drugs that prolong QT interval cannot be avoided or if concomitant CYP3A4 inhibitors used. (bula de Dextrometorfano + quinidina, Advertências e precauções)

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. (bula de Di-hidroergotamina, Advertência em caixa preta)

Digoxin In the ANDROMEDA (patients with recently decompensated heart failure) and PALLAS (patients with permanent AF) trials baseline use of digoxin was associated with an increased risk of arrhythmic or sudden death in dronedarone-treated patients compared to placebo. (bula de Dronedarona, Interações medicamentosas)

Considering the known proarrhythmic properties of Norpace or Norpace CR and the lack of evidence of improved survival for any antiarrhythmic drug in patients without life-threatening arrhythmias, the use of Norpace or Norpace CR as well as other antiarrhythmic agents should be reserved for patients with life-threatening ventricular arrhythmias. (bula de Disopiramida, Advertência em caixa preta)

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

Use with Drugs that Prolong QT Interval and Antiarrhythmic Agents The use of dofetilide in conjunction with other drugs that prolong the QT interval has not been studied and is not recommended. (bula de Dofetilida, Advertências)

…Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval… (bula de Dronedarona, Contraindicações)

Avoid concomitant use of Doxorubicin Hydrochloride Injection with inhibitors of CYP3A4, CYP2D6, or P-gp. (bula de Doxorrubicina, Interações medicamentosas)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

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) ]. (bula de Dutasterida + tansulosina, Advertências e precauções)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

• 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) ]. (bula de Eletriptana, Contraindicações)

Concomitant use of COMPLERA with drugs with a known risk to prolong the QTc interval of the electrocardiogram may increase the risk of Torsade de Pointes. (bula de Entricitabina + rilpivirina + tenofovir, Advertências e precauções)

…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)… (bula de Eplerenona, Contraindicações)

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. (bula de Ergotamina + cafeína, Advertência em caixa preta)

• Concomitant use of erythromycin ( 4 ) (bula de Dronedarona, Contraindicações)

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). (bula de Erlotinibe, Interações medicamentosas)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

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

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

Strong CYP3A inhibitor and P-gp inhibitor : Avoid coadministration. (bula de Everolimo, Interações medicamentosas)

• Statins: Avoid simvastatin doses greater than 10 mg daily. (bula de Dronedarona, Interações medicamentosas)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

Rifampin and Other CYP3A Inducers Avoid rifampin or other CYP3A inducers such as phenobarbital, carbamazepine, phenytoin, and St. (bula de Dronedarona, Interações medicamentosas)

Rifampin and Other CYP3A Inducers Avoid rifampin or other CYP3A inducers such as phenobarbital, carbamazepine, phenytoin, and St. (bula de Dronedarona, Interações medicamentosas)

• Concomitant use with CYP3A4 inhibitors (or discontinuation of CYP3A4 inducers) can result in a fatal overdose of fentanyl. (bula de Fentanila, Advertência em caixa preta)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

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) ]. (bula de Fesoterodina, Interações medicamentosas)

…drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or PR interval >280 ms • Severe… (bula de Dronedarona, Contraindicações)

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) ] . (bula de Flibanserina, Advertência em caixa preta)

Coadministration of other drugs known to prolong the QT interval and which are metabolized via the enzyme CYP3A4 such as erythromycin, pimozide, and quinidine are contraindicated in patients receiving fluconazole. (bula de Fluconazol, Contraindicações)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

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

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

• Statins: Avoid simvastatin doses greater than 10 mg daily. (bula de Dronedarona, Interações medicamentosas)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

Fosamprenavir calcium is contraindicated when coadministered with the following drugs: Alpha 1-adrenoreceptor antagonist: Alfuzosin Antiarrhythmics: Flecainide (with ritonavir ), propafenone (with ritonavir ) Antimycobacterial: Rifampin Antipsychotic: Lurasidone (with ritonavir ), pimozide Ergot derivatives: Dihydroergotamine, ergonovine, ergotamine, methylergonovine… (bula de Fosamprenavir, Contraindicações)

(See DOSAGE and ADMINISTRATION. ) Because of the risk of QT prolongation and the potential for torsades de pointes, the use of FOSCAVIR should be avoided in combination with agents known to prolong the QT interval including Class IA (e.g., quinidine or procainamide) or Class III (e.g., dofetilide, amiodarone, sotalol) antiarrhythmic agents, phenothiazines, tricyclic… (bula de Foscarnete, Interações medicamentosas)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

Avoid co-administration of CONTEPO with drugs known to prolong the QT interval. (bula de Fosfomicina, Interações medicamentosas)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

Cytochrome P450 3A4 Interaction The concomitant use of HYSINGLA ER with all cytochrome P450 3A4 inhibitors may result in an increase in hydrocodone plasma concentrations, which could increase or prolong adverse reactions and may cause potentially fatal respiratory depression. (bula de Hidrocodona, Advertência em caixa preta)

Cytochrome P450 3A4 Interaction The concomitant use of Hydrocodone Polistirex and Chlorpheniramine Polistirex with all cytochrome P450 3A4 inhibitors may result in an increase in hydrocodone plasma concentrations, which could increase or prolong adverse drug effects and may cause potentially fatal respiratory depression. (bula de Hidrocodona + clorfeniramina, Advertência em caixa preta)

Cytochrome P450 3A4 Interaction The concomitant use of hydrocodone bitartrate and homatropine methylbromide with all cytochrome P450 3A4 inhibitors may result in an increase in hydrocodone plasma concentrations, which could increase or prolong adverse drug effects and may cause potentially fatal respiratory depression. (bula de Hidrocodona + homatropina, Advertência em caixa preta)

Cytochrome P450 3A4 Interaction The concomitant use of Hydrocodone Bitartrate and Ibuprofen Tablets with all cytochrome P450 3A4 inhibitors may result in an increase in hydrocodone plasma concentrations, which may cause potentially fatal respiratory depression. (bula de Hidrocodona + ibuprofeno, Advertência em caixa preta)

Cytochrome P450 3A4 Interaction The concomitant use of hydrocodone bitartrate and acetaminophen tablets with all Cytochrome P450 3A4 inhibitors may result in an increase in hydrocodone plasma concentrations, which could increase or prolong adverse reactions and may cause potentially fatal respiratory depression. (bula de Hidrocodona + paracetamol, Advertência em caixa preta)

Therefore, PLAQUENIL is not recommended in patients taking other drugs that have the potential to prolong the QT interval. (bula de Hidroxicloroquina, Advertências e precauções)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

…Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval… (bula de Dronedarona, Contraindicações)

• Strong CYP3A4 Inhibitors: Do not administer strong CYP3A4 inhibitors with CAMPTOSAR. (bula de Irinotecano, Interações medicamentosas)

…block, or sick sinus syndrome (except when used in conjunction with a functioning pacemaker) • Bradycardia <50 bpm • Concomitant use of strong CYP3A inhibitors, such as ketoconazole, itraconazole, voriconazole, cyclosporine, telithromycin, clarithromycin, nefazodone, and ritonavir [see Drug Interactions (7.2) ] • Concomitant use of erythromycin [see Clinical Pharmacology… (bula de Dronedarona, Contraindicações)

…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 ) (bula de Ivabradina, Contraindicações)

These conditions include patients with hypokalemia or hypomagnesemia, with congenital long QT syndrome, patients taking antiarrhythmic medicines or other medicinal products with known risk for QT prolongation/ Torsades de Pointes, and cumulative high-dose anthracycline therapy. (bula de Lapatinibe, Advertências e precauções)

Strong CYP3A4 Inhibitors: Avoid coadministration of strong CYP3A4 inhibitors with VITRAKVI. (bula de Larotrectinibe, Interações medicamentosas)

Strong or moderate CYP3A inhibitors: Avoid concomitant use. (bula de Lemborexanto, Interações medicamentosas)

Avoid use in patients with known prolongation, those with hypokalemia, and with other drugs that prolong the QT interval ( 5.11 , 8.5 ) (bula de Levofloxacino, Advertências e precauções)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

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) ]. (bula de Lomitapida, Contraindicações)

…• Bradycardia <50 bpm • Concomitant use of strong CYP3A inhibitors, such as ketoconazole, itraconazole, voriconazole, cyclosporine, telithromycin, clarithromycin, nefazodone, and ritonavir [see Drug Interactions (7.2) ] • Concomitant use of erythromycin [see Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval… (bula de Dronedarona, Contraindicações)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

• Statins: Avoid simvastatin doses greater than 10 mg daily. (bula de Dronedarona, Interações medicamentosas)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

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

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

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. (bula de Metilergometrina, Interações medicamentosas)

Considering the known proarrhythmic properties of mexiletine and the lack of evidence of improved survival for any antiarrhythmic drug in patients without life-threatening arrhythmias, the use of mexiletine as well as other antiarrhythmic agents should be reserved for patients with life-threatening ventricular arrhythmia. (bula de Mexiletina, Advertência em caixa preta)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

Therefore, moxifloxacin should be avoided with Class IA and Class III antiarrhythmics [see Warnings and Precautions ( 5.6 ), Nonclinical Toxicology ( 13.2 ), and Patient Counseling Information ( 17 )]. (bula de Moxifloxacino, Interações medicamentosas)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

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

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

Avoid use of concomitant drugs known to prolong the QT interval and strong CYP3A4 inhibitors [see Drug Interactions ( 7.1 , 7.2 )] . (bula de Nilotinibe, Advertência em caixa preta)

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

…• Bradycardia <50 bpm • Concomitant use of strong CYP3A inhibitors, such as ketoconazole, itraconazole, voriconazole, cyclosporine, telithromycin, clarithromycin, nefazodone, and ritonavir [see Drug Interactions (7.2) ] • Concomitant use of erythromycin [see Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval… (bula de Dronedarona, Contraindicações)

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. (bula de Nisoldipino, Interações medicamentosas)

…Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval… (bula de Dronedarona, Contraindicações)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

Avoid coadministration of oxaliplatin injection with medicinal products with a known potential to prolong the QT interval. (bula de Oxaliplatina, Interações medicamentosas)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

Cytochrome P450 3A4 Interaction The concomitant use of Oxycodone Hydrochloride Oral Solution with all cytochrome P450 3A4 inhibitors may result in an increase in oxycodone plasma concentrations, which could increase or prolong adverse reactions and may cause potentially fatal respiratory depression. (bula de Oxicodona, Advertência em caixa preta)

Cytochrome P450 3A4 Interaction The concomitant use of oxycodone hydrochloride tablets with all cytochrome P450 3A4 inhibitors may result in an increase in oxycodone plasma concentrations, which could increase or prolong adverse reactions and may cause potentially fatal respiratory depression. (bula de Oxicodona + paracetamol, Advertência em caixa preta)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (bula de Paracetamol + codeína, Advertência em caixa preta)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

Strong CYP3A4 Inhibitors : Avoid coadministration of VOTRIENT with strong CYP3A4 inhibitors. (bula de Pazopanibe, Interações medicamentosas)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

Cytochrome P450 3A4 Interaction The concomitant use of DEMEROL Injection with all cytochrome P450 3A4 inhibitors may result in an increase in meperidine plasma concentrations, which could increase or prolong adverse reactions and may cause potentially fatal respiratory depression. (bula de Petidina (meperidina), Advertência em caixa preta)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

• Statins: Avoid simvastatin doses greater than 10 mg daily. (bula de Dronedarona, Interações medicamentosas)

The use of WAKIX should be avoided in patients with known QT prolongation or in combination with other drugs known to prolong the QT interval [see Drug Interactions ( 7.1 )]. (bula de Pitolisanto, Advertências e precauções)

• Statins: Avoid simvastatin doses greater than 10 mg daily. (bula de Dronedarona, Interações medicamentosas)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

Considering the known proarrhythmic properties of procainamide and the lack of evidence of improved survival for any antiarrhythmic drug in patients without life-threatening arrhythmias, the use of procainamide as well as other antiarrhythmic agents should be reserved for patients with life-threatening ventricular arrhythmias. (bula de Procainamida, Advertência em caixa preta)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex, requiring careful consideration of the effects on the parent drug, codeine, and the active metabolite, morphine. (bula de Prometazina + codeína, Advertência em caixa preta)

• The applicability of the CAST results to other populations (e.g., those without recent myocardial infarction) or other antiarrhythmic drugs is uncertain, but at present, it is prudent to consider any IC antiarrhythmic to have a significant proarrhythmic risk in patients with structural heart disease. (bula de Propafenona, Advertência em caixa preta)

…Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval… (bula de Dronedarona, Contraindicações)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

Proarrhythmic effects Like many other drugs (including all other Class Ia antiarrhythmics), quinidine prolongs the QT c interval, and this can lead to torsades de pointes , a life-threatening ventricular arrhythmia (see OVERDOSAGE ). (bula de Quinidina, Advertências)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

• Strong CYP3A4 Inhibitors: Avoid concomitant administration. (bula de Rimegepanto, Interações medicamentosas)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

…• Bradycardia <50 bpm • Concomitant use of strong CYP3A inhibitors, such as ketoconazole, itraconazole, voriconazole, cyclosporine, telithromycin, clarithromycin, nefazodone, and ritonavir [see Drug Interactions (7.2) ] • Concomitant use of erythromycin [see Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval… (bula de Dronedarona, Contraindicações)

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) ] . (bula de Rivaroxabana, Advertências e precauções)

• Statins: Avoid simvastatin doses greater than 10 mg daily. (bula de Dronedarona, Interações medicamentosas)

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

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

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… (bula de Silodosina, Contraindicações)

• Statins: Avoid simvastatin doses greater than 10 mg daily. (bula de Dronedarona, Interações medicamentosas)

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) ]. (bula de Sirolimo, Advertências e precauções)

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 )] . (bula de Solifenacina, Interações medicamentosas)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

Effect of Other Drugs on TALZENNA Effect of P-gp Inhibitors Breast Cancer Avoid coadministration of TALZENNA with the following P-gp inhibitors: itraconazole, amiodarone, carvedilol, clarithromycin, itraconazole, and verapamil. (bula de Talazoparibe, Interações medicamentosas)

• Should not be used in combination with strong inhibitors of CYP3A4. (bula de Tansulosina, Advertências e precauções)

Certain conditions may increase the risk for torsade de pointes or sudden death such as (1) bradycardia; (2) hypokalemia or hypomagnesemia; (3) concomitant use of other drugs that prolong the QTc interval; and (4) presence of congenital prolongation of the QT interval [see Warnings and Precautions ( 5.8 ), Clinical Pharmacology (12.2) ]. (bula de Tetrabenazina, Interações medicamentosas)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

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 ) ] . (bula de Tiotepa, Interações medicamentosas)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

…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… (bula de Tolvaptana, Contraindicações)

• CYP3A inducers: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

Avoid concomitant use HYCAMTIN capsules with P-gp inhibitors or BCRP inhibitors. (bula de Topotecano, Interações medicamentosas)

• Grapefruit juice: Avoid concomitant use. (bula de Dronedarona, Interações medicamentosas)

Drugs known to prolong the QT interval and strong CYP3A4 inhibitors should be avoided [see Warnings and Precautions (5.1) ] . (bula de Toremifeno, Advertência em caixa preta)

CYP3A inhibitors: Avoid concomitant strong CYP3A inhibitors ( 7.1 ) (bula de Trabectedina, Interações medicamentosas)

The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with tramadol are complex. (bula de Tramadol, Advertência em caixa preta)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with tramadol are complex. (bula de Tramadol + paracetamol, Advertência em caixa preta)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

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

Strong CYP 3A Inhibitors Triazolam is contraindicated in patients receiving strong inhibitors of CYP 3A such as ketoconazole, itraconazole, nefazodone, ritonavir, indinavir, nelfinavir, saquinavir, and lopinavir [see Contraindications (4) , Drug Interactions (7.1) ] . (bula de Triazolam, Advertências e precauções)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

…Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval… (bula de Dronedarona, Contraindicações)

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. (bula de Ubrogepanto, Contraindicações)

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

QT Prolongation : Patients with congenital QT syndrome or taking class IA or III antiarrhythmics should avoid using vardenafil hydrochloride tablets. (bula de Vardenafila, Advertências e precauções)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

Avoid concomitant use of VEPPANU with strong CYP3A inhibitors or drugs known to prolong the QTc interval. (bula de Vepdegestranto, Advertências e precauções)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

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

…sinus syndrome (except when used in conjunction with a functioning pacemaker) • Bradycardia <50 bpm • Concomitant use of strong CYP3A inhibitors, such as ketoconazole, itraconazole, voriconazole, cyclosporine, telithromycin, clarithromycin, nefazodone, and ritonavir [see Drug Interactions (7.2) ] • Concomitant use of erythromycin [see Clinical Pharmacology (12.3)… (bula de Dronedarona, Contraindicações)

…(12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone • QTc interval >500 ms or… (bula de Dronedarona, Contraindicações)

…Clinical Pharmacology (12.3) ] • Concomitant use of drugs or herbal products that prolong the QT interval and might increase the risk of torsade de pointes, such as phenothiazine antipsychotics, tricyclic antidepressants, certain oral macrolide antibiotics, and Class I and III antiarrhythmics • Liver or lung toxicity related to the previous use of amiodarone… (bula de Dronedarona, Contraindicações)

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

P-glycoprotein (P-gp) Inhibitors : Co-administration of P-gp inhibitors can increase afatinib exposure. (bula de Afatinibe, Interações medicamentosas)

CYP3A4 inhibitors: Use with caution in combination due to increased exposure of alosetron. (bula de Alosetrona, Interações medicamentosas)

• Calcium channel blockers (CCB): Initiate CCB with low dose and increase after ECG verification of tolerability. (bula de Dronedarona, Interações medicamentosas)

• Calcium channel blockers (CCB): Initiate CCB with low dose and increase after ECG verification of tolerability. (bula de Dronedarona, Interações medicamentosas)

• Calcium channel blockers (CCB): Initiate CCB with low dose and increase after ECG verification of tolerability. (bula de Dronedarona, Interações medicamentosas)

• Calcium channel blockers (CCB): Initiate CCB with low dose and increase after ECG verification of tolerability. (bula de Dronedarona, Interações medicamentosas)

MAO inhibitors, tricyclic antidepressants and drugs that prolong the QTc interval may potentiate effect on the cardiovascular system. (bula de Arformoterol, Interações medicamentosas)

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

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

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

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

Strong CYP3A4 Inhibitors: Closely monitor patients with concomitant use. (bula de Bortezomibe, Interações medicamentosas)

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

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

Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir): Risk of increased systemic corticosteroid effects. (bula de Budesonida + formoterol, Advertências e precauções)

The risk of combining buprenorphine with other QT-prolonging agents is not known. (bula de Buprenorfina + naloxona, Advertências e precauções)

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

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

In a drug interaction study, co-administration of orally inhaled ciclesonide and oral ketoconazole, a potent inhibitor of cytochrome P450 3A4, increased the exposure (AUC) of des-ciclesonide by approximately 3.6-fold at steady state, while levels of ciclesonide remained unchanged. (bula de Ciclesonida, Interações medicamentosas)

Inhibitors of CYP3A4 or CYP2C19 Inhibitors of CYP3A4 Coadministration of strong (e.g., ketoconazole) and moderate (e.g., erythromycin, diltiazem and grapefruit juice) CYP3A4 inhibitors can increase exposure to cilostazol. (bula de Cilostazol, Interações medicamentosas)

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

QT Interval Prolongation and V entricular A rr h ythmia Decreases in serum calcium can also prolong the QT interval, potentially resulting in ventricular arrhythmia. (bula de Cinacalcete, Advertências e precauções)

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

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

Moderate or strong CYP3A4 inhibitors: Give one third of the recommended dosage of EMFLAZA ( 7.1 ) (bula de Deflazacorte, Interações medicamentosas)

Carefully monitor cardiac rhythm when administering SUPRANE to susceptible patients (e.g., patients with congenital Long QT Syndrome or patients taking drugs that can prolong the QT interval). (bula de Desflurano, Advertências e precauções)

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

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

Other Drugs with Anticholinergic Activity The following agents may increase certain actions or side effects of anticholinergic drugs including dicyclomine hydrochloride: amantadine, antiarrhythmic agents of Class I (e.g., quinidine), antihistamines, antipsychotic agents (e.g., phenothiazines), benzodiazepines, MAO inhibitors, narcotic analgesics (e.g., meperidine),… (bula de Dicicloverina, Interações medicamentosas)

• Calcium channel blockers (CCB): Initiate CCB with low dose and increase after ECG verification of tolerability. (bula de Dronedarona, Interações medicamentosas)

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

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

Strong cytochrome P450 (CYP) 3A inhibitors may increase exposure to doxazosin and increased risk of hypotension. (bula de Doxazosina, Interações medicamentosas)

Monitor for increased dronabinol-related adverse reactions when dronabinol oral solution is co-administered with inhibitors of CYP2C9 (e.g., amiodarone, fluconazole) and inhibitors of CYP3A4 enzymes (e.g., ketoconazole, itraconazole, clarithromycin, ritonavir, erythromycin, grapefruit juice). (bula de Dronabinol, Interações medicamentosas)

…development of prolonged QT syndrome, such as: 1) clinically significant bradycardia (less than 50 bpm), 2) any clinically significant cardiac disease, 3) treatment with Class I and Class III antiarrhythmics, 4) treatment with monoamine oxidase inhibitors (MAOI's), 5) concomitant treatment with other drug products known to prolong the QT interval (see PRECAUTIONS,… (bula de Droperidol, Advertências)

Consider monitoring serum potassium concentration in high-risk patients who take a strong CYP3A4 inhibitor long-term and concomitantly. (bula de Drospirenona + etinilestradiol, Advertências e precauções)

P-gp Inhibitors Treatment of NVAF Based on clinical experience from the ENGAGE AF-TIMI 48 study, dose reduction in patients concomitantly receiving P-gp inhibitors resulted in edoxaban blood levels that were lower than in patients who were given the full dose. (bula de Edoxabana, Interações medicamentosas)

Concomitant Use with CYP3A Inhibitors Exposure to elexacaftor, tezacaftor and ivacaftor are increased when used concomitantly with strong or moderate CYP3A inhibitors. (bula de Elexacaftor + tezacaftor + ivacaftor, Advertências e precauções)

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

Coadministration of DESCOVY with other drugs that inhibit P-gp and BCRP may increase the absorption and plasma concentration of TAF. (bula de Entricitabina + tenofovir, Interações medicamentosas)

QT Prolongation: Monitor for prolonged QT intervals in patients with congestive heart failure, bradyarrhythmias, drugs known to prolong the QT interval, and electrolyte abnormalities. (bula de Eribulina, Advertências e precauções)

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

Inhibitors of CYP3A4 such as erythromycin, clarithromycin, ketoconazole, itraconazole, ritonavir and grapefruit juice may increase plasma concentrations of estrogens and may result in side effects. (bula de Estradiol, Interações medicamentosas)

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

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

Concomitant administration of itraconazole, a strong CYP3A4 inhibitor, with DUAVEE, resulted in increases in bazedoxifene exposure (40%) and, to a lesser extent, conjugated estrogens exposure (9% for baseline-adjusted total estrone, 5% for total equilin), compared to DUAVEE alone [see Pharmacokinetics (12.3) ] . (bula de Estrogênios conjugados + bazedoxifeno, Interações medicamentosas)

The dose of LUNESTA should be reduced in patients who are administered potent inhibitors of CYP3A4, such as ketoconazole, while taking LUNESTA. (bula de Eszopiclona, Advertências e precauções)

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

• Calcium channel blockers (CCB): Initiate CCB with low dose and increase after ECG verification of tolerability. (bula de Dronedarona, Interações medicamentosas)

…Antidepressants, QTc Prolonging Drugs Formoterol, as with other beta 2 -agonists, should be administered with extreme caution to patients being treated with monoamine oxidase inhibitors, tricyclic antidepressants, or drugs known to prolong the QTc interval because the effect of adrenergic agonists on the cardiovascular system may be potentiated by these agents. (bula de Formoterol, Interações medicamentosas)

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

• CYP3A4 Inhibitor: Monitor adverse reactions if concomitant use with IRESSA. (bula de Gefitinibe, Interações medicamentosas)

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. (bula de Glicopirrônio, Interações medicamentosas)

Effect on QT/QTc Interval: Androgen deprivation therapy may prolong the QT interval. (bula de Gosserrelina, Advertências e precauções)

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

Concomitant administration of inhibitors of CYP3A4 may lead to increases in serum concentrations of ALKINDI SPRINKLE and increase the risk of adverse reactions associated with the use of excessive doses. (bula de Hidrocortisona, Interações medicamentosas)

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

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

Monitor QT interval when administering FORANE to susceptible patients (e.g., patients with congenital Long QT Syndrome or patients taking drugs that can prolong the QT interval). (bula de Isoflurano, Advertências e precauções)

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

• Calcium channel blockers (CCB): Initiate CCB with low dose and increase after ECG verification of tolerability. (bula de Dronedarona, Interações medicamentosas)

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

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

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

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

Antiarrhythmics: amiodarone Effect on amiodarone, ledipasvir, and sofosbuvir concentrations unknown Coadministration of amiodarone with ledipasvir and sofosbuvir may result in serious symptomatic bradycardia. (bula de Ledipasvir + sofosbuvir, Interações medicamentosas)

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

Effect on QT/QTc Interval: Androgen deprivation therapy may prolong the QT interval. (bula de Leuprorrelina, Advertências e precauções)

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

Risk of QT Prolongation : Lofexidine tablets prolong the QT interval. (bula de Lofexidina, Advertências e precauções)

…combination with others drugs or herbal products that are known to prolong the QT interval, including Class 1A (e.g., quinidine, procainamide) or Class III (e.g., amiodarone, sotalol) antiarrhythmics, antipsychotics (e.g., chlorpromazine, haloperidol, thioridazine, ziprasidone), antibiotics (e.g., moxifloxacin), or any other drug known to prolong the QT interval… (bula de Loperamida, Advertências)

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. (bula de Mefloquina, Interações medicamentosas)

Examples: Drugs known to have potential to prolong QT interval: Class I and III antiarrhythmics, some neuroleptics and tricyclic antidepressants, and calcium channel blockers. (bula de Metadona, Interações medicamentosas)

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

Drugs that Prolong the QT Interval QT prolongation has been reported, particularly when metronidazole was administered with drugs with the potential for prolonging the QT interval. (bula de Metronidazol, Interações medicamentosas)

Cytochrome P450-3A4 Inhibitors: May result in prolonged sedation due to decreased plasma clearance of midazolam. (bula de Midazolam, Interações medicamentosas)

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

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

Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir): Risk of increased systemic corticosteroid effects. (bula de Mometasona, Advertências e precauções)

P-Glycoprotein (P-gp) Inhibitors Clinical Impact: The concomitant use of P-gp inhibitors can increase the exposure to morphine by two-fold and can increase the risk of hypotension, respiratory depression, profound sedation, coma, and death. (bula de Morfina, Interações medicamentosas)

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

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

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

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

• Calcium channel blockers (CCB): Initiate CCB with low dose and increase after ECG verification of tolerability. (bula de Dronedarona, Interações medicamentosas)

• Calcium channel blockers (CCB): Initiate CCB with low dose and increase after ECG verification of tolerability. (bula de Dronedarona, Interações medicamentosas)

Coadministration of P-gp and CYP3A4 inhibitors may increase nintedanib exposure. (bula de Nintedanibe, Interações medicamentosas)

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

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

CYP3A4 inhibitors such as itraconazole or ketoconazole may increase plasma hormone levels. (bula de Noretisterona + etinilestradiol, Interações medicamentosas)

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

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

Ofloxacin should be avoided in patients with known prolongation of the QT interval, patients with uncorrected hypokalemia, and patients receiving Class IA (quinidine, procainamide), or Class III (amiodarone, sotalol) antiarrhythmic agents. (bula de Ofloxacino, Precauções)

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

• Calcium channel blockers (CCB): Initiate CCB with low dose and increase after ECG verification of tolerability. (bula de Dronedarona, Interações medicamentosas)

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

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

CYP2C19 or CYP3A4 Inhibitors Clinical Impact: Increased exposure of omeprazole [see Clinical Pharmacology ( 12.3 )] . (bula de Omeprazol + bicarbonato de sódio, Interações medicamentosas)

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

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

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

Drugs that Prolong QT: Use with caution in patients who are at significant risk of developing QTc prolongation. (bula de Pasireotida, Interações medicamentosas)

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

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

Anti-Arrhythmic Drugs, QT Prolonging Drugs, Drugs that may Decrease Heart Rate PONVORY has not been studied in patients taking QT prolonging drugs. (bula de Ponesimode, Interações medicamentosas)

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

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

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

QT Interval Prolonging Drugs The pharmacodynamic interaction potential to prolong the QT interval of the electrocardiogram between Primaquine phosphate Tablets and other drugs that effect cardiac conduction is unknown. (bula de Primaquina, Interações medicamentosas)

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

Quinine sulfate is not recommended for use with other drugs known to cause QT prolongation, including Class IA antiarrhythmic agents (e.g., quinidine, procainamide, disopyramide), and Class III antiarrhythmic agents (e.g., amiodarone, sotalol, dofetilide). (bula de Quinina, Advertências e precauções)

Ketoconazole (strong CYP3A4 inhibitor): Increases AUC for ramelteon; administer with caution. (bula de Ramelteona, Interações medicamentosas)

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

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

• Concomitant P-glycoprotein (P-gp) inhibitors (e.g., cyclosporine): Caution should be exercised when concomitant use of XIFAXAN and a P-glycoprotein inhibitor is needed. (bula de Rifaximina, Advertências e precauções)

In healthy subjects, 75 mg once daily and 300 mg once daily (3 times and 12 times the dose in EDURANT) have been shown to prolong the QTc interval of the electrocardiogram. (bula de Rilpivirina, Advertências e precauções)

QT Interval Prolongation The overall analysis of ECG data in pediatric patients indicates that the concomitant use of Rocuronium Bromide Injection with general anesthetic agents can prolong the QTc interval [see Clinical Studies ( 14.3 )]. (bula de Rocurônio, Advertências e precauções)

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

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

…anesthetics or agents structurally related to amide- type local anesthetics, since the toxic effects of these drugs are additive. [See Drug Interactions 7.0 ] Patients treated with class III antiarrhythmic drugs (e.g., amiodarone) should be under close surveillance and ECG monitoring considered, since cardiac effects may be additive. [See Drug Interactions 7.0… (bula de Ropivacaína, Advertências e precauções)

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

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

Strong Inhibitors of CYP3A4/5 Enzymes Ketoconazole significantly increased saxagliptin exposure. (bula de Saxagliptina + metformina, Interações medicamentosas)

Caution should be exercised when administering sevoflurane to susceptible patients (e.g., patients with congenital Long QT Syndrome or patients taking drugs that can prolong the QT interval). (bula de Sevoflurano, Advertências)

CYP3A4 inhibitors (e.g., ritonavir, ketoconazole, itraconazole, erythromycin) increase SILDENAFIL ORAL FILM exposure. (bula de Sildenafila, Interações medicamentosas)

Antiarrhythmics: amiodarone Effect on amiodarone, sofosbuvir, velpatasvir, and voxilaprevir concentrations unknown Coadministration of amiodarone with VOSEVI may result in serious symptomatic bradycardia. (bula de Sofosbuvir + velpatasvir, Interações medicamentosas)

Monitor electrolytes and electrocardiograms in patients with congestive heart failure, bradyarrhythmias, drugs known to prolong the QT interval, including Class Ia and III antiarrhythmics. (bula de Sorafenibe, Advertências e precauções)

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

Drugs that Prolong the QT interval QT prolongation has been reported with metronidazole, a component of bismuth subcitrate potassium, metronidazole and tetracycline hydrochloride, particularly when administered with drugs with the potential for prolonging the QT interval. (bula de Subcitrato de bismuto + metronidazol + tetraciclina, Advertências e precauções)

Monitor patients who are at higher risk of developing QT interval prolongation, including patients with a history of QT interval prolongation, patients who are taking antiarrhythmics, or patients with relevant pre-existing cardiac disease, bradycardia, or electrolyte disturbances. (bula de Sunitinibe, Advertências e precauções)

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

• CYP3A substrates with a narrow therapeutic index (e.g., sirolimus and tacrolimus): Monitor and adjust dosage of concomitant drug as needed when used with MULTAQ. (bula de Dronedarona, Interações medicamentosas)

…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 )] . (bula de Tadalafila, Advertências e precauções)

• Calcium channel blockers (CCB): Initiate CCB with low dose and increase after ECG verification of tolerability. (bula de Dronedarona, Interações medicamentosas)

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. (bula de Tensirolimo, Advertências e precauções)

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

Give a low dose of beta-blockers initially, and increase only after ECG verification of good tolerability [see Drug Interactions (7.3) , Clinical Pharmacology (12.3) ] . (bula de Dronedarona, Interações medicamentosas)

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

Table 7: Clinically Significant Interactions Affecting XELJANZ/XELJANZ XR When Concomitantly Used with Other Drugs Strong CYP3A4 Inhibitors (e.g., ketoconazole) Clinical Impact Increased exposure to tofacitinib Intervention Dosage modification of XELJANZ/XELJANZ XR is recommended [see Dosage and Administration (2) , Clinical Pharmacology, Figure 3 (12.3) ] Moderate… (bula de Tofacitinibe, Interações medicamentosas)

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

Co-administration of other strong CYP3A4 inhibitors (e.g., ritonavir, atazanavir, clarithromycin, indinavir, itraconazole, nefazodone, nelfinavir, saquinavir, telithromycin, cobicistat-containing products) with KENALOG-40 Injection may cause increased plasma concentration of triamcinolone leading to adverse reactions. (bula de Triancinolona, Interações medicamentosas)

Effect on QT/QTc Interval: Androgen deprivation therapy may prolong the QT interval. (bula de Triptorrelina, Advertências e precauções)

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

Drug Interactions with Strong Cytochrome P450 3A4 Inhibitors Caution should be exercised when considering the coadministration of Umeclidinium and Vilanterol ELLIPTA with ketoconazole and other known strong cytochrome P450 3A4 (CYP3A4) inhibitors (including, but not limited to, ritonavir, clarithromycin, conivaptan, indinavir, itraconazole, lopinavir, nefazodone,… (bula de Umeclidínio + vilanterol, Advertências e precauções)

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

• Warfarin: Monitor INR after initiating dronedarone in patients taking warfarin. (bula de Dronedarona, Interações medicamentosas)

• Calcium channel blockers (CCB): Initiate CCB with low dose and increase after ECG verification of tolerability. (bula de Dronedarona, Interações medicamentosas)

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) ]. (bula de Viloxazina, Interações medicamentosas)

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

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

Drugs That Inhibit CYP3A4 CYP3A4 is a minor metabolic pathway for the elimination of zaleplon because the sum of desethylzaleplon (formed via CYP3A4 in vitro) and its metabolites, 5-oxo-desethylzaleplon and 5-oxo-desethylzaleplon glucuronide, account for only 9% of the urinary recovery of a zaleplon dose. (bula de Zaleplona, Interações medicamentosas)

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

Follow label recommendations for concomitant use of other statins with a CYP3A and P-gp inhibitor like dronedarone. (bula de Dronedarona, Interações medicamentosas)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

More patients experienced clinically significant INR elevations (≥5) usually within 1 week after starting dronedarone versus placebo in patients taking oral anticoagulants in ATHENA. (bula de Dronedarona, Interações medicamentosas)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

More patients experienced clinically significant INR elevations (≥5) usually within 1 week after starting dronedarone versus placebo in patients taking oral anticoagulants in ATHENA. (bula de Dronedarona, Interações medicamentosas)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Dapagliflozin or dapagliflozin 3-O-glucuronide did not meaningfully inhibit P-gp, OCT2, OAT1, or OAT3 active transporters. (bula de Dapagliflozina, Interações medicamentosas)

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

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

More patients experienced clinically significant INR elevations (≥5) usually within 1 week after starting dronedarone versus placebo in patients taking oral anticoagulants in ATHENA. (bula de Dronedarona, Interações medicamentosas)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

An in vitro study using human liver microsomes suggests that famciclovir is not an inhibitor of CYP3A4 enzymes. (bula de Fanciclovir, Interações medicamentosas)

More patients experienced clinically significant INR elevations (≥5) usually within 1 week after starting dronedarone versus placebo in patients taking oral anticoagulants in ATHENA. (bula de Dronedarona, Interações medicamentosas)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

More patients experienced clinically significant INR elevations (≥5) usually within 1 week after starting dronedarone versus placebo in patients taking oral anticoagulants in ATHENA. (bula de Dronedarona, Interações medicamentosas)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

These include Class 1A (e.g., quinidine, procainamide) or Class III (e.g., amiodarone, sotalol) antiarrhythmics, certain antipsychotics (e.g., ziprasidone, iloperidone, clozapine, quetiapine, chlorpromazine), certain antidepressants (e.g., citalopram, fluoxetine), certain antibiotics (e.g., azithromycin, erythromycin, clarithromycin, gatifloxacin, moxifloxacin);… (bula de Hidroxizina, Precauções)

WARNINGS Proarrhythmia: Like other antiarrhythmic agents, CORVERT Injection can induce or worsen ventricular arrhythmias in some patients. (bula de Ibutilida, Advertências)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Cardiac Rhythm and Conduction Abnormalities In vitro testing showed that lamotrigine exhibits Class IB antiarrhythmic activity at therapeutically relevant concentrations [see Clinical Pharmacology ( 12.2 )] . (bula de Lamotrigina, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Effect of Other Drugs on the Metabolism of Donepezil Inhibitors of CYP3A4 (e.g., ketoconazole) and CYP2D6 (e.g., quinidine), inhibit donepezil metabolism in vitro . (bula de Memantina + donepezila, Interações medicamentosas)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Pentoxifylline extended-release tablets have been used concurrently with antihypertensive drugs, beta blockers, digitalis, diuretics, and antiarrhythmics, without observed problems. (bula de Pentoxifilina, Interações medicamentosas)

Aminoglycoside antibiotics, local and some general anesthetics, antiarrhythmic agents, and other drugs that interfere with neuromuscular transmission should be used cautiously, if at all. (bula de Piridostigmina, Interações medicamentosas)

…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), and quinidine; and (6) analgesics, antipyretics and anti-inflammatories–propoxyphene, aspirin, indomethacin, and phenylbutazone. (bula de Prazosina, Interações medicamentosas)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

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

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Drugs predominantly metabolized by the CYP450 2D6 isozyme include the following drug classes: tricyclic antidepressants, selective serotonin reuptake inhibitors, beta-blockers, antiarrhythmics class 1C (e.g., flecainide and propafenone) and monoamine oxidase inhibitors Type B. (bula de Terbinafina, Interações medicamentosas)

Moderate or Weak CYP1A2 Inhibitors Concomitant use of Zanaflex with moderate or weak CYP1A2 inhibitors (e.g., zileuton, antiarrhythmics [amiodarone, mexiletine, propafenone, and verapamil], cimetidine, famotidine, oral contraceptives, acyclovir, and ticlopidine) should be avoided. (bula de Tizanidina, Interações medicamentosas)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

Hypokalemia and Hypomagnesemia with Potassium-Depleting Diuretics Hypokalemia or hypomagnesemia may occur with concomitant administration of potassium-depleting diuretics. (bula de Dronedarona, Advertências e precauções)

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

Follow label recommendations for concomitant use of other statins with a CYP3A and P-gp inhibitor like dronedarone. (bula de Dronedarona, Interações medicamentosas)

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) .]… (bula de Desloratadina, Interações medicamentosas)