Econazole interactions

Strong CYP3A Inhibitors Alprazolam XR is contraindicated in patients receiving strong inhibitors of CYP3A such as azole antifungal agents [see Contraindications (4) ] . (Alprazolam label, Warnings and precautions)

Table 5: Amiodarone Drug Interactions Concomitant Drug Class/Name Examples Clinical Comment QT Prolonging Drugs class I and III antiarrhythmics, lithium, certain phenothiazines, tricyclic antidepressants, certain fluoroquinolone and macrolide antibiotics, azole antifungals, halogenated inhalation anesthetic agents Increased risk of Torsade de Pointes. (Amiodarone label, Drug interactions)

Concomitant use of strong CYP3A4 inhibitors (e.g., azole antimycotics, HIV protease inhibitors) with CYCLOSET should be avoided. (Bromocriptine label, Drug interactions)

When co-administration is required, the daily dose of ketoconazole or itraconazole should not exceed 200 mg with monitoring for increased antifungal adverse events. voriconazole ↓ voriconazole Voriconazole is not recommended for patients receiving PREZISTA/ritonavir unless an assessment comparing predicted benefit to risk ratio justifies the use of voriconazole. (Darunavir label, Drug interactions)

Do not administer antifungal agents, unless fungal infection has been diagnosed. (Everolimus label, Warnings and precautions)

VYTORIN is contraindicated in the following conditions: Concomitant use of strong CYP3A4 inhibitors (select azole anti-fungals, macrolide antibiotics, anti-viral medications, and nefazodone) [see Drug Interactions (7.1) ] . (Ezetimibe and simvastatin label, Contraindications)

There is no information regarding cross-hypersensitivity between fluconazole and other azole antifungal agents. (Fluconazole label, Contraindications)

There is limited information regarding cross-hypersensitivity between itraconazole and other azole antifungal agents [see Warnings and Precautions (5.8) ] . (Itraconazole label, Contraindications)

Ketoconazole tablets should be used only when other effective antifungal therapy is not available or tolerated and the potential benefits are considered to outweigh the potential risks. (Ketoconazole label, Boxed warning)

Antifungals voriconazole ↓ voriconazole Avoid concomitant use of voriconazole. ketoconazole, isavuconazonium sulfate, itraconazole ↑ ketoconazole ↑ isavuconazonium sulfate ↑ itraconazole Refer to the ketoconazole, isavuconazonium sulfate, and itraconazole prescribing information for further information. ↑ nirmatrelvir/ritonavir A nirmatrelvir/ritonavir dose reduction… (Nirmatrelvir and ritonavir label, Drug interactions)

Because azole antifungal agents are also inhibitors of the CYP 3A4 enzymes and thus may likewise impair pimozide metabolism, pimozide is contraindicated in patients receiving the azole antifungal agents itraconazole and ketoconazole. (Pimozide label, Contraindications)

Known hypersensitivity to posaconazole or other azole antifungal agents. (Posaconazole label, Contraindications)

…Anticoagulants Prevention or Management: Perform prothrombin time daily or as frequently as necessary to establish and maintain the required dose of anticoagulant Warfarin Decrease exposure Antifungals Fluconazole Decrease AUC by 23% Itraconazole Prevention or Management: Not recommended 2 weeks before and during itraconazole treatment Decrease exposure Ketoconazole Decrease… (Rifampin label, Drug interactions)

…Pharmacology ( 12.3 )] . ○ Alpha 1- Adrenoreceptor Antagonist: alfuzosin ○ Antianginal: ranolazine ○ Antiarrhythmics: amiodarone, dronedarone, flecainide, propafenone, quinidine ○ Antifungal: voriconazole ○ Anti-gout: colchicine ○ Antipsychotics: lurasidone, pimozide ○ Ergot Derivatives: dihydroergotamine, ergotamine, methylergonovine ○ GI Motility Agent: cisapride… (Ritonavir label, Contraindications)

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

TEMODAR is contraindicated in patients with a history of serious hypersensitivity reactions to: temozolomide or any other ingredients in TEMODAR; and dacarbazine, since both temozolomide and dacarbazine are metabolized to the same active metabolite 5-(3-methyltriazen-1-yl)-imidazole-4-carboxamide. (Temozolomide label, Contraindications)

Instruct the patient to avoid heat, flame, and/or smoking during and immediately following application. (Econazole label, Warnings and precautions)

There is no information regarding cross-sensitivity between voriconazole and other azole antifungal agents. (Voriconazole label, Contraindications)

…P450 3A4 Interaction The concomitant use of acetaminophen and codeine phosphate tablets with all cytochrome P450 3A4 inhibitors, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir) or discontinuation of a cytochrome P450 3A4 inducer such as rifampin, carbamazepine, and phenytoin,… (Acetaminophen and codeine label, Warnings)

• Invasive fungal infections: For patients who develop a systemic illness on Adalimumab-fkjp, consider empiric antifungal therapy for those who reside or travel to regions where mycoses are endemic. (Adalimumab label, Warnings and precautions)

Amlodipine and atorvastatin tablets dosage modifications are recommended for patients taking certain anti-viral, azole antifungals, or macrolide antibiotic medications [see Dosage and Administration (2) ] . (Amlodipine and atorvastatin label, Warnings and precautions)

- 7.1 Warfarin Concomitant administration of econazole and warfarin has resulted in enhancement of anticoagulant effect. (Econazole label, Drug interactions)

- 7.1 Warfarin Concomitant administration of econazole and warfarin has resulted in enhancement of anticoagulant effect. (Econazole label, Drug interactions)

Antifungals: ketoconazole, itraconazole REYATAZ with ritonavir: ↑ ketoconazole ↑ itraconazole Coadministration of ketoconazole has only been studied with REYATAZ without ritonavir (negligible increase in atazanavir AUC and C max ). (Atazanavir label, Drug interactions)

LIPITOR dosage modifications are recommended for patients taking certain anti-viral, azole antifungals, or macrolide antibiotic medications [see Dosage and Administration (2.5) ] . (Atorvastatin label, Warnings and precautions)

- 7.1 Warfarin Concomitant administration of econazole and warfarin has resulted in enhancement of anticoagulant effect. (Econazole label, Drug interactions)

Examples: Macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), protease inhibitors (e.g., ritonavir) CYP3A4 Inducers Clinical Impact: The concomitant use of BELBUCA and CYP3A4 inducers can decrease the plasma concentration of buprenorphine [see Clinical Pharmacology (12.3) ] , potentially resulting in decreased efficacy or… (Buprenorphine label, Drug interactions)

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

…concomitant use of Butalbital, Acetaminophen, Caffeine, and Codeine Phosphate Capsules with all cytochrome P450 3A4 inhibitors, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir) or discontinuation of a cytochrome P450 3A4 inducer such as rifampin, carbamazepine, and phenytoin,… (Butalbital, acetaminophen, caffeine, and codeine label, Warnings and precautions)

…Interaction The concomitant use of BUTALBITAL, ASPIRIN, CAFFEINE and CODEINE PHOSPHATE with all cytochrome P450 3A4 inhibitors, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir) or discontinuation of a cytochrome P450 3A4 inducer such as rifampin, carbamazepine, and phenytoin,… (Butalbital, aspirin, caffeine, and codeine label, Warnings and precautions)

Antifungals: Itraconazole Use With Caution Itraconazole: Both clarithromycin and itraconazole are substrates and inhibitors of CYP3A, potentially leading to a bi-directional drug interaction when administered concomitantly (see also Itraconazole under “Drugs That Affect Clarithromycin Tablets” in the table below). (Clarithromycin label, Drug interactions)

Cytochrome P450 3A4 Interaction: The concomitant use of Codeine Sulfate Tablets with all cytochrome P450 3A4 inhibitors, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir) or discontinuation of a cytochrome P450 3A4 inducer such as rifampin, carbamazepine, and phenytoin,… (Codeine label, Warnings and precautions)

Drugs That May Potentiate Renal Dysfunction Antibiotics Antineoplastics Antifungals Anti-inflammatory Drugs Gastrointestinal Agents Immunosuppressives Other Drugs ciprofloxacin melphalan amphotericin B azapropazon cimetidine tacrolimus fibric acid derivatives (e.g., bezafibrate, fenofibrate) gentamicin ketoconazole colchicine ranitidine methotrexate tobramycin… (Cyclosporine label, Drug interactions)

- 7.1 Warfarin Concomitant administration of econazole and warfarin has resulted in enhancement of anticoagulant effect. (Econazole label, Drug interactions)

Tricyclic Antidepressants (TCAs): e.g. amitriptyline, desipramine, imipramine, nortriptyline ↑ TCAs Other antidepressants: trazodone ↑ trazodone Antifungals: itraconazole, isavuconazole, ketoconazole, posaconazole ↑ darunavir ↑ cobicistat Monitor for increased darunavir or cobicistat and/or antifungal adverse reactions. ↑ itraconazole ↑ ketoconazole ↑ isavuconazole… (Darunavir and cobicistat label, Drug interactions)

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

Inhibitors of this isoenzyme (e.g., macrolide antibiotics, azole antifungal agents, protease inhibitors, serotonin reuptake inhibitors, amiodarone, cannabinoids, diltiazem, grapefruit juice, nefazadone, norfloxacin, quinine, zafirlukast) should be cautiously co-administered with dofetilide as they can potentially increase dofetilide levels. (Dofetilide label, Drug interactions)

Concomitant administration of moderate or strong CYP3A4 inhibitors such as azole antifungals (e.g., ketoconazole, itraconazole, voriconazole, fluconazole), verapamil, macrolides (e.g., clarithromycin, erythromycin), diltiazem, and grapefruit juice can increase the plasma concentrations of the estrogen or the progestin or both. (Drospirenone and ethinyl estradiol label, Drug interactions)

- 7.1 Warfarin Concomitant administration of econazole and warfarin has resulted in enhancement of anticoagulant effect. (Econazole label, Drug interactions)

Antifungals: Voriconazole Itraconazole Ketoconazole Posaconazole ↓ voriconazole * ↑ efavirenz * ↓ itraconazole * ↓ hydroxyitraconazole * ↓ ketoconazole ↓ posaconazole * Efavirenz and voriconazole should not be coadministered at standard doses. (Efavirenz label, Drug interactions)

Antifungals: Itraconazole Ketoconazole ↓ itraconazole ↓ hydroxyitraconazole ↓ ketoconazole Consider alternative antifungal treatment because no dose recommendation for itraconazole or ketoconazole can be made. (Efavirenz, lamivudine, and tenofovir label, Drug interactions)

Antifungals: itraconazole ketoconazole voriconazole ↑ elvitegravir ↑ cobicistat ↑ itraconazole ↑ ketoconazole ↑ voriconazole When administering with GENVOYA, the maximum daily dosage of ketoconazole or itraconazole should not exceed 200 mg per day. (Elvitegravir, cobicistat, emtricitabine, and tenofovir label, Drug interactions)

Azole Antifungal Agents: fluconazole itraconazole ketoconazole posaconazole voriconazole ↑ RPV , This interaction study has been performed with a dose higher than the recommended dose for RPV assessing the maximal effect on the coadministered drug. (Emtricitabine, rilpivirine, and tenofovir label, Drug interactions)

- 7.1 Warfarin Concomitant administration of econazole and warfarin has resulted in enhancement of anticoagulant effect. (Econazole label, Drug interactions)

…[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, and grapefruit… (Estradiol and dienogest label, Drug interactions)

Antifungals : fluconazole ↑ etravirine ↔ fluconazole Co-administration of etravirine and fluconazole significantly increased etravirine exposures. (Etravirine label, Drug interactions)

…Discontinuation of Cytochrome P450 3A4 Inhibitors and Inducers Concomitant use of Fentanyl Citrate Injection with a CYP3A4 inhibitor, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir), may increase plasma concentrations of fentanyl and prolong opioid adverse reactions, which may… (Fentanyl label, Warnings and precautions)

Strong CYP2C19 Inhibitors Examples Proton pump inhibitors, selective serotonin reuptake inhibitors, benzodiazepines, antifungals Clinical Implications The concomitant use of ADDYI with strong CYP2C19 inhibitors may increase flibanserin exposure which may increase the risk of hypotension, syncope, and CNS depression. (Flibanserin label, Drug interactions)

- 7.1 Warfarin Concomitant administration of econazole and warfarin has resulted in enhancement of anticoagulant effect. (Econazole label, Drug interactions)

Antifungals: Ketoconazole a , itraconazole ↑ Ketoconazole ↑ Itraconazole Increase monitoring for adverse events. (Fosamprenavir label, Drug interactions)

…Phenytoin Concentrations Interacting Agent Examples Drugs that may increase phenytoin serum levels Antiepileptic drugs Ethosuximide, felbamate, oxcarbazepine, methsuximide, topiramate Azoles Fluconazole, ketoconazole, itraconazole, miconazole, voriconazole Antineoplastic agents Capecitabine, fluorouracil Antidepressants Fluoxetine, fluvoxamine, sertraline Gastric… (Fosphenytoin label, Drug interactions)

Glipizide: The hypoglycemic action of sulfonylureas may be potentiated by certain drugs, including nonsteroidal anti-inflammatory agents, some azoles, and other drugs that are highly protein bound, salicylates, sulfonamides, chloramphenicol, probenecid, coumarins, monoamine oxidase inhibitors, and beta-adrenergic blocking agents. (Glipizide and metformin label, Precautions)

Barbiturates usually depress griseofulvin activity by decreasing plasma levels and concomitant administration may require a dosage adjustment of the antifungal agent. (Griseofulvin label, Drug interactions)

- 7.1 Warfarin Concomitant administration of econazole and warfarin has resulted in enhancement of anticoagulant effect. (Econazole label, Drug interactions)

…Concomitant Use or Discontinuation of Cytochrome P450 3A4 Inhibitors and Inducers Concomitant use of HYSINGLA ER with a CYP3A4 inhibitor, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir), may increase plasma concentrations of hydrocodone and prolong opioid adverse reactions, which… (Hydrocodone label, Warnings and precautions)

…Cytochrome P450 3A4 Inhibitors and Inducers Concomitant use of hydrocodone bitartrate and acetaminophen tablets with a CYP3A4 inhibitor, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir), may increase plasma concentrations of hydrocodone bitartrate and acetaminophen tablets and prolong… (Hydrocodone and acetaminophen label, Warnings)

…3A4 Inhibitors and Inducers Concomitant use of Hydrocodone Polistirex and Chlorpheniramine Polistirex with a CYP3A4 inhibitor, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir), may increase plasma concentrations of hydrocodone and prolong opioid adverse reactions, which… (Hydrocodone and chlorpheniramine label, Warnings and precautions)

…P450 3A4 Inhibitors and Inducers Concomitant use of hydrocodone bitartrate and homatropine methylbromide with a CYP3A4 inhibitor, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir), may increase plasma concentrations of hydrocodone and prolong opioid adverse reactions, which… (Hydrocodone and homatropine label, Warnings and precautions)

…Cytochrome P450 3A4 Inhibitors and Inducers Concomitant use of Hydrocodone Bitartrate and Ibuprofen Tablets with a CYP3A4 inhibitor, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir), may increase plasma concentrations of hydrocodone and prolong opioid adverse reactions, which… (Hydrocodone and ibuprofen label, Warnings)

Invasive fungal infections – for patients who develop a systemic illness on RENFLEXIS, consider empiric antifungal therapy for those who reside or travel to regions where mycoses are endemic. (Infliximab label, Warnings and precautions)

Most cases reported product application with use under occlusion, genital application, or application to a large body surface area which may increase the systemic absorption of econazole nitrate. (Econazole label, Drug interactions)

Most cases reported product application with use under occlusion, genital application, or application to a large body surface area which may increase the systemic absorption of econazole nitrate. (Econazole label, Drug interactions)

Most cases reported product application with use under occlusion, genital application, or application to a large body surface area which may increase the systemic absorption of econazole nitrate. (Econazole label, Drug interactions)

Antifungals: ketoconazole*, itraconazole, voriconazole isavuconazonium sulfate* ↑ ketoconazole ↑ itraconazole ↓ voriconazole ↑ isavuconazonium High doses of ketoconazole (>200 mg/day) or itraconazole (> 200 mg/day) are not recommended. (Lopinavir and ritonavir label, Drug interactions)

…or Discontinuation of Cytochrome P450 3A4 Inhibitors and Inducers Concomitant use of DEMEROL Injection with a CYP3A4 inhibitor, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir), may increase plasma concentrations of meperidine and prolong opioid adverse reactions, which… (Meperidine label, Warnings and precautions)

Examples: Macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), protease inhibitors (e.g., ritonavir), fluconazole, fluvoxamine, some selective serotonin reuptake inhibitors (SSRIs) (e.g., sertraline, fluvoxamine) Inducers of CYP3A4, CYP2B6, CYP2C19, or CYP2C9 Clinical Impact: The concomitant use of methadone and CYP3A4, CYP2B6,… (Methadone label, Drug interactions)

Similarly, there were no changes in the pharmacokinetic parameters of nefazodone or HO-NEF; however, the mean AUC levels of the nefazodone metabolites mCPP and triazole-dione increased by 3 to 6 fold and 1.3 fold, respectively. (Nefazodone label, Drug interactions)

Antifungals: Fluconazole ↑ Nevirapine Because of the risk of increased exposure to nevirapine, caution should be used in concomitant administration, and patients should be monitored closely for nevirapine-associated adverse events. (Nevirapine label, Drug interactions)

Non-Cardiovascular Drugs Antifungal Drugs Ketoconazole, itraconazole and fluconazole are CYP3A inhibitors and can inhibit the metabolism of nifedipine and increase the exposure to nifedipine during concomitant therapy. (Nifedipine label, Precautions)

…clarithromycin, telithromycin), some HIV protease inhibitors (e.g., indinavir, nelfinavir, ritonavir, saquinavir), some HCV protease inhibitors (e.g., boceprevir, telaprevir), some azole antimycotics (e.g., ketoconazole, itraconazole, posaconazole, voriconazole), conivaptan, delavirdine, and nefazodone with nimodipine should generally be avoided because of a risk… (Nimodipine label, Warnings and precautions)

Most cases reported product application with use under occlusion, genital application, or application to a large body surface area which may increase the systemic absorption of econazole nitrate. (Econazole label, Drug interactions)

…of Cytochrome P450 3A4 Inhibitors and Inducers Concomitant use of Oxycodone Hydrochloride Oral Solution with a CYP3A4 inhibitor, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir), may increase plasma concentrations of oxycodone and prolong opioid adverse reactions, which… (Oxycodone label, Warnings and precautions)

…Discontinuation of Cytochrome P450 3A4 Inhibitors and Inducers Concomitant use of oxycodone hydrochloride tablets with a CYP3A4 inhibitor, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir), may increase plasma concentrations of oxycodone and prolong opioid adverse reactions, which… (Oxycodone and acetaminophen label, Warnings and precautions)

…Phenytoin Concentrations Interacting Agent Examples Drugs that may increase phenytoin serum levels Antiepileptic drugs Ethosuximide, felbamate, oxcarbazepine, methsuximide, topiramate Azoles Fluconazole, ketoconazole, itraconazole, miconazole, voriconazole Antineoplastic agents Capecitabine, fluorouracil Antidepressants Fluoxetine, fluvoxamine, sertraline Gastric… (Phenytoin label, Drug interactions)

…Interaction The concomitant use of Promethazine HCl and Codeine Phosphate Oral Solution with all cytochrome P450 3A4 inhibitors, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir) or discontinuation of a cytochrome P450 3A4 inducer such as rifampin, carbamazepine, and phenytoin,… (Promethazine and codeine label, Warnings and precautions)

ANTIFUNGALS Fluconazole 200 mg once a day for 2 weeks 300 mg once a day for 2 weeks HIV-infected patients (12) ↑ AUC by 82%, ↑ C max by 88% ↔ Monitor for rifabutin associated adverse events. (Rifabutin label, Drug interactions)

…Antibiotics Chloramphenicol, clarithromycin, dapsone, doxycycline; Fluoroquinolones (such as ciprofloxacin) Oral Anticoagulants Warfarin Anticonvulsants Phenytoin Antimalarials Quinine Azole Antifungals Fluconazole, itraconazole, ketoconazole Antipsychotics Haloperidol Barbiturates Phenobarbital Benzodiazepines Diazepam Beta-Blockers Propranolol Calcium Channel Blockers… (Rifapentine label, Drug interactions)

Azole Antifungal Agents: fluconazole itraconazole ketoconazole This interaction study has been performed with a dose higher than the recommended dose for EDURANT assessing the maximal effect on the coadministered drug. (Rilpivirine label, Drug interactions)

Strong CYP and P-gp/BCRP inhibitors: Concomitant use of riociguat with strong cytochrome CYP inhibitors and P-gp/BCRP inhibitors such as azole antimycotics (for example, ketoconazole, itraconazole) or HIV protease inhibitors (such as ritonavir) increase riociguat exposure and may result in hypotension. (Riociguat label, Drug interactions)

- 7.1 Warfarin Concomitant administration of econazole and warfarin has resulted in enhancement of anticoagulant effect. (Econazole label, Drug interactions)

Strong CYP3A Inhibitors c : Protease inhibitors (e.g., nelfinavir, telaprevir, boceprevir, ritonavir), azole antifungals (e.g., voriconazole, posaconazole, itraconazole, ketoconazole), antibiotics (e.g., clarithromycin, troleandomycin, chloramphenicol), nefazodone, letermovir, Schisandra sphenanthera extracts May increase tacrolimus whole blood trough concentrations… (Tacrolimus label, Drug interactions)

For patients receiving ketoconazole or other potent CYP3A4 inhibitors such as other azole antifungals (e.g., itraconazole, miconazole) or macrolide antibiotics (e.g., erythromycin, clarithromycin) or cyclosporine or vinblastine, the recommended dose of DETROL is 1 mg twice daily (see DOSAGE AND ADMINISTRATION ). (Tolterodine label, Drug interactions)

…P450 3A4 Interaction The concomitant use of Tramadol Hydrochloride Extended-Release Capsules with cytochrome P450 3A4 inhibitors, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir) or discontinuation of a cytochrome P450 3A4 inducer such as rifampin, carbamazepine, and phenytoin,… (Tramadol label, Warnings and precautions)

Cytochrome P450 3A4 Interaction The concomitant use of tramadol hydrochloride and acetaminophen with cytochrome P450 3A4 inhibitors, such as macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), and protease inhibitors (e.g., ritonavir) or discontinuation of a cytochrome P450 3A4 inducer such as rifampin, carbamazepine, and phenytoin,… (Tramadol and acetaminophen label, Warnings and precautions)

- 7.1 Warfarin Concomitant administration of econazole and warfarin has resulted in enhancement of anticoagulant effect. (Econazole label, Drug interactions)

Azoles (e.g., ketoconazole, miconazole, clotrimazole, fluconazole, etc.) In vitro and in vivo animal studies of the combination of amphotericin B and imidazoles suggest that imidazoles may induce fungal resistance to amphotericin B. (Amphotericin B label, Drug interactions)

If oropharyngeal candidiasis develops, it should be treated with appropriate local or systemic (i.e., oral) antifungal therapy while still continuing with QVAR REDIHALER therapy, but at times therapy with QVAR REDIHALER may need to be temporarily interrupted under close medical supervision. (Beclomethasone label, Warnings and precautions)

Development of Potential for Microbial Overgrowth Known or previously unrecognized candidiasis may present more prominent symptoms during therapy with metronidazole and requires treatment with an antifungal agent. (Bismuth subcitrate, metronidazole, and tetracycline label, Warnings and precautions)

When such an infection develops, it should be treated with appropriate local or systemic (i.e., oral antifungal) therapy while treatment with PULMICORT FLEXHALER continues, but at times, therapy with PULMICORT FLEXHALER may need to be interrupted. (Budesonide label, Warnings and precautions)

When such an infection develops, it should be treated with appropriate local or systemic (i.e., oral antifungal) therapy while treatment with budesonide and formoterol fumarate dihydrate continues, but at times therapy with budesonide and formoterol fumarate dihydrate may need to be interrupted. (Budesonide and formoterol label, Warnings and precautions)

The following drugs are CYP3A4 inhibitors: Acetazolamide, aprepitant, azole antifungals (e.g., ketoconazole, itraconazole, fluconazole, voriconazole ) , cimetidine, ciprofloxacin, clarithromycin, dalfopristin, danazol, dantrolene, delavirdine, diltiazem, erythromycin, fluoxetine, fluvoxamine, grapefruit juice, ibuprofen, isoniazid, loratadine, nefazodone, niacinamide,… (Carbamazepine label, Drug interactions)

When such an infection occurs, treat it with appropriate local or systemic (i.e., oral antifungal) therapy and discontinue ALVESCO. (Ciclesonide label, Warnings and precautions)

Although clinical studies have not been performed, based on the involvement of the cytochrome P-450 3A family in clonazepam metabolism, inhibitors of this enzyme system, notably oral antifungal agents (e.g., fluconazole), should be used cautiously in patients receiving clonazepam because they may impair the metabolism of clonazepam leading to exaggerated concentrations… (Clonazepam label, Drug interactions)

If concomitant skin infections are present or develop, an appropriate antifungal or antibacterial agent should be used. (Desonide label, Precautions)

Examples of some of the more potent CYP3A4 inhibitors include: antifungals ketoconazole and itraconazole, the protease inhibitors ritonavir, nelfinavir, and indinavir, and macrolide antibiotics erythromycin, clarithromycin, and troleandomycin. (Dihydroergotamine label, Warnings)

Drug Interactions Cytosine arabinoside, a cytostatic agent, has been reported to inactivate the antifungal activity of ANCOBON by competitive inhibition. (Flucytosine label, Drug interactions)

Concomitant Skin Infections If concomitant skin infections are present or develop, an appropriate antifungal or antibacterial agent should be used. (Fluocinonide label, Warnings and precautions)

When such an infection develops, it should be treated with appropriate local or systemic (i.e., oral) antifungal therapy while treatment with Fluticasone Propionate DISKUS continues, but at times therapy with Fluticasone Propionate DISKUS may need to be interrupted. (Fluticasone label, Warnings and precautions)

When such an infection develops, it should be treated with appropriate local or systemic (i.e., oral) antifungal therapy while treatment with Fluticasone Propionate/Salmeterol MDPI continues, but at times therapy with Fluticasone Propionate/Salmeterol MDPI may need to be interrupted. (Fluticasone and salmeterol label, Warnings and precautions)

Examples of strong CYP3A4 inhibitors include azole antifungals (e.g., itraconazole), macrolide antibiotics (e.g., clarithromycin, telithromycin), HIV protease inhibitors (e.g., nelfinavir), and nefazodone. (Ivabradine label, Drug interactions)

Examples of some of the strong CYP 3A4 inhibitors include saquinavir, grapefruit juice, nefazodone, macrolide antibiotics (e.g., troleandomycin, clarithromycin), HIV protease or reverse transcriptase inhibitors (e.g., ritonavir, indinavir, nelfinavir) or azole antifungals (e.g., ketoconazole, itraconazole, voriconazole). (Methylergonovine label, Drug interactions)

Fungal Superinfections Known or previously unrecognized candidiasis may present more prominent symptoms during therapy with LIKMEZ and requires treatment with an antifungal agent. (Metronidazole label, Warnings and precautions)

There is no information regarding cross-hypersensitivity between miconazole and other azole antifungal agents. (Miconazole label, Warnings and precautions)

If oropharyngeal candidiasis develops, treat with appropriate local or systemic (i.e., oral) antifungal therapy while remaining on treatment with ASMANEX HFA therapy, but at times therapy with ASMANEX HFA may need to be interrupted. (Mometasone label, Warnings and precautions)

Examples: Macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g. ketoconazole), protease inhibitors (e.g., ritonavir). (Oliceridine label, Drug interactions)

Examples: Drugs that are known to inhibit CYP3A4 include antifungal agents (ketoconazole, itraconazole) and antibacterial agents (clarithromycin, erythromycin). (Repaglinide label, Drug interactions)

Vaginal candidiasis may develop with tinidazole and require treatment with an antifungal agent (5.2) (Tinidazole label, Warnings and precautions)

Based on these data, ISENTRESS is not expected to affect the pharmacokinetics of drugs that are substrates of these enzymes or P-glycoprotein (e.g., protease inhibitors, NNRTIs, opioid analgesics, statins, azole antifungals, proton pump inhibitors and anti-erectile dysfunction agents). (Raltegravir label, Drug interactions)