Fluconazole interactions
Fluconazole (Diflucan), an azole antifungal has 278 documented interactions across the FDA labels and fact sheets we index: 133 major, 135 moderate, 10 minor, and 0 where a label reports no significant interaction. Each entry below quotes the sentence behind it. This drug page is a starting point, not a verdict for your situation.
Major interactions (133)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
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. (Fluconazole label, Contraindications)
• 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) ] . (Alprazolam label, Contraindications)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
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) ] . (Apixaban label, Drug interactions)
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. (Fluconazole label, Contraindications)
Do not use avanafil in patients taking strong CYP3A4 inhibitors [see Warnings and Precautions ( 5.2 ) and Dosage and Administration ( 2.3 )]. (Avanafil label, Drug interactions)
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. (Fluconazole label, Contraindications)
Concomitant administration of BIXLENVO with combined P-gp, UGT1A1, and strong CYP3A inhibitors is not recommended. (Bictegravir, emtricitabine, and tenofovir alafenamide label, Drug interactions)
Co-administration of such combinations of a CYP2C9 inhibitor plus a strong or moderate CYP3A inhibitor with TRACLEER is not recommended. (Bosentan label, Drug interactions)
Evaluate patients starting CYP3A4 inhibitors or stopping CYP3A4 inducers at frequent intervals for respiratory depression. (Buprenorphine label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
CYP2C19 inhibitors: Avoid concomitant use of omeprazole or esomeprazole. (Clopidogrel label, Warnings and precautions)
There is no information regarding cross-hypersensitivity between fluconazole and other azole antifungal agents. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
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. (Codeine label, Boxed warning)
- ColchicineMajor
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) ] . (Colchicine label, Contraindications)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Strong CYP3A4 inhibitors: Avoid concomitant use. (Daridorexant label, Drug interactions)
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. (Fluconazole label, Contraindications)
• Avoid concomitant use of strong CYP3A4 inhibitors or inducers. (Dexamethasone label, Drug interactions)
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. (Dihydroergotamine label, Boxed warning)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
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) ]. (Dutasteride and tamsulosin label, Warnings and precautions)
There is no information regarding cross-hypersensitivity between fluconazole and other azole antifungal agents. (Fluconazole label, Contraindications)
• 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) ]. (Eletriptan label, Contraindications)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
…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)… (Eplerenone label, Contraindications)
Concomitant use of fluconazole and erythromycin has the potential to increase the risk of cardiotoxicity (prolonged QT interval, torsade de pointes) and consequently sudden heart death. (Fluconazole label, Precautions)
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. (Fluconazole label, Contraindications)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
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)
Fentanyl One fatal case of possible fentanyl-fluconazole interaction was reported. (Fluconazole label, Drug interactions)
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) ]. (Fesoterodine label, Drug interactions)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
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) ] . (Flibanserin label, Boxed warning)
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. (Fluconazole label, Contraindications)
Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): Use not recommended. (Fluticasone label, Drug interactions)
Avoid strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): May increase risk of systemic corticosteroid and cardiovascular effects. (Fluticasone and salmeterol label, Drug interactions)
Steps to Prevent or Reduce the Risk of Myopathy and Rhabdomyolysis Avoid concomitant use of fluvastatin sodium extended-release tablets with gemfibrozil, cyclosporin, and fluconazole. (Fluvastatin label, Warnings and precautions)
Avoid co-administration of CONTEPO with drugs known to prolong the QT interval. (Fosfomycin label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
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. (Hydrocodone and acetaminophen label, Boxed warning)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
There is no information regarding cross-hypersensitivity between fluconazole and other azole antifungal agents. (Fluconazole label, Contraindications)
- IvabradineMajor
…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 ) (Ivabradine label, Contraindications)
There is no information regarding cross-hypersensitivity between fluconazole and other azole antifungal agents. (Fluconazole label, Contraindications)
Avoid concomitant use of fluconazole with lemborexant. (Fluconazole label, Drug interactions)
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. (Fluconazole label, Contraindications)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
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. (Fluconazole label, Contraindications)
Concomitant administration with strong CYP3A4 inhibitors (e.g., itraconazole, ketoconazole, posaconazole, voriconazole, HIV protease inhibitors, boceprevir, telaprevir, erythromycin, clarithromycin, telithromycin, nefazodone and cobicistat-containing products) (see WARNINGS , Myopathy/Rhabdomyolysis ). (Lovastatin label, Contraindications)
If concomitant use cannot be avoided, reduce the dose of lurasidone as instructed in the lurasidone prescribing information. (Fluconazole label, Drug interactions)
- MacitentanMajor
Strong CYP3A4 inhibitors (ketoconazole, ritonavir) increase exposure to macitentan: avoid co-administration with OPSUMIT ( 7.2 , 12.3 ) . (Macitentan label, Drug interactions)
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. (Meperidine label, Boxed warning)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
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. (Fluconazole label, Contraindications)
There is no information regarding cross-hypersensitivity between fluconazole and other azole antifungal agents. (Fluconazole label, Contraindications)
Examples diazepam, alprazolam, alcohol Drugs that Prolong QTc Interval Clinical Impact The concomitant use of other drugs which prolong the QTc interval with REMERON/REMERONSolTab, increase the risk of QT prolongation and/or ventricular arrhythmias (e.g., Torsades de Pointes). (Mirtazapine label, Drug interactions)
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. (Fluconazole label, Contraindications)
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. (Nisoldipine label, Drug interactions)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
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. (Oxycodone label, Boxed warning)
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. (Oxycodone and acetaminophen label, Boxed warning)
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. (Fluconazole label, Contraindications)
Drugs that Prolong the QT Interval : Avoid concomitant use. (Phenobarbital label, Drug interactions)
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. (Fluconazole label, Contraindications)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
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. (Fluconazole label, Contraindications)
There is no information regarding cross-hypersensitivity between fluconazole and other azole antifungal agents. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
• Avoid use with other antiarrhythmic agents or drugs that prolong the QT interval. (Propafenone label, Warnings and precautions)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
…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 exposure… (Rifampin label, Drug interactions)
- RimegepantMajor
• Strong CYP3A4 Inhibitors: Avoid concomitant administration. (Rimegepant label, Drug interactions)
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. (Fluconazole label, Contraindications)
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) ] . (Rivaroxaban label, Warnings and precautions)
• Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): Use not recommended. (Salmeterol label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Avoid the concomitant use of drugs known to prolong the QTc interval. (Sertraline label, Drug interactions)
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)
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) ]. (Sirolimus label, Warnings and precautions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
• Should not be used in combination with strong inhibitors of CYP3A4. (Tamsulosin label, Warnings and precautions)
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. (Fluconazole label, Contraindications)
Oral hypoglycemics Clinically significant hypoglycemia may be precipitated by the use of fluconazole with oral hypoglycemic agents; one fatality has been reported from hypoglycemia in association with combined fluconazole and glyburide use. (Fluconazole label, Drug interactions)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
• Strong CYP3A Inhibitors and Inducers: Avoid coadministration with strong CYP3A inhibitors and inducers. (Tretinoin label, Drug interactions)
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) ] . (Triazolam label, Warnings and precautions)
- UbrogepantMajor
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. (Ubrogepant label, Contraindications)
For patients with atopic dermatitis, coadministration of RINVOQ 30 mg once daily with strong CYP3A4 inhibitors is not recommended. (Upadacitinib label, Drug interactions)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
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. (Fluconazole label, Contraindications)
Voriconazole Avoid concomitant administration of voriconazole and fluconazole. (Fluconazole label, Drug interactions)
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. (Fluconazole label, Contraindications)
Moderate interactions (135)
An effect of this magnitude should not necessitate a change in the fluconazole dose regimen in subjects receiving concomitant diuretics. (Fluconazole label, Drug interactions)
• 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)
(See CLINICAL PHARMACOLOGY: Drug Interaction Studies .) Theophylline Fluconazole increases the serum concentrations of theophylline. (Fluconazole label, Drug interactions)
- AlosetronModerate
CYP3A4 inhibitors: Use with caution in combination due to increased exposure of alosetron. (Alosetron label, Drug interactions)
An effect of this magnitude should not necessitate a change in the fluconazole dose regimen in subjects receiving concomitant diuretics. (Fluconazole label, Drug interactions)
Fluconazole has the potential to increase the systemic exposure of the calcium channel antagonists. (Fluconazole label, Drug interactions)
- Amlodipine and benazeprildihydropyridine calcium channel blockerModerate
Fluconazole has the potential to increase the systemic exposure of the calcium channel antagonists. (Fluconazole label, Drug interactions)
CYP2D6 inhibitors and CYP3A4 Inhibitors : See full prescribing information for ABILIFY MAINTENA dosage modifications when used concomitantly with CYP2D6 inhibitors and/or CYP3A4 inhibitors for greater than 14 days ( 7.1 ) (Aripiprazole label, Drug interactions)
Non-steroidal anti-inflammatory drugs The C max and AUC of flurbiprofen were increased by 23% and 81%, respectively, when coadministered with fluconazole compared to administration of flurbiprofen alone. (Fluconazole label, Drug interactions)
- Aspirin and dipyridamoleantiplatelet agentModerate
Non-steroidal anti-inflammatory drugs The C max and AUC of flurbiprofen were increased by 23% and 81%, respectively, when coadministered with fluconazole compared to administration of flurbiprofen alone. (Fluconazole label, Drug interactions)
HMG-CoA reductase inhibitors The risk of myopathy and rhabdomyolysis increases when fluconazole is coadministered with HMG-CoA reductase inhibitors metabolized through CYP3A4, such as atorvastatin and simvastatin, or through CYP2C9, such as fluvastatin (decreased hepatic metabolism of the statin). (Fluconazole label, Drug interactions)
- Bisoprolol and hydrochlorothiazidebeta blockerModerate
Hydrochlorothiazide In a pharmacokinetic interaction study, coadministration of multiple-dose hydrochlorothiazide to healthy volunteers receiving fluconazole increased plasma concentrations of fluconazole by 40%. (Fluconazole label, Drug interactions)
- BrexpiprazoleantipsychoticModerate
Strong CYP2D6 REXULTI may be administered without dosage adjustment in patients with MDD when administered with strong CYP2D6 inhibitors (e.g., paroxetine, fluoxetine). or CYP3A4 inhibitors Administer half of recommended dosage. (Brexpiprazole label, Drug interactions)
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… (Budesonide label, Warnings and precautions)
- Budesonide and formoterolcorticosteroidModerate
Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir): Risk of increased systemic corticosteroid effects. (Budesonide and formoterol label, Warnings and precautions)
An effect of this magnitude should not necessitate a change in the fluconazole dose regimen in subjects receiving concomitant diuretics. (Fluconazole label, Drug interactions)
The risk of combining buprenorphine with other QT-prolonging agents is not known. (Buprenorphine and naloxone label, Warnings and precautions)
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. (Buspirone label, Drug interactions)
- Butalbital, acetaminophen, and caffeinebarbiturateModerate
(See CLINICAL PHARMACOLOGY: Drug Interaction Studies .) Theophylline Fluconazole increases the serum concentrations of theophylline. (Fluconazole label, Drug interactions)
Carbamazepine Fluconazole inhibits the metabolism of carbamazepine and an increase in serum carbamazepine of 30% has been observed. (Fluconazole label, Drug interactions)
- CariprazineantipsychoticModerate
Clinically Significant Drug Interactions with VRAYLAR Strong or Moderate CYP3A4 Inhibitors Clinical Impact: Concomitant use of VRAYLAR with a strong or moderate CYP3A4 inhibitor increases the exposures of cariprazine and its major active metabolite, didesmethylcariprazine (DDCAR), compared to use of VRAYLAR alone [see Clinical Pharmacology ( 12.3 ) ]. (Cariprazine label, Drug interactions)
Co-administration of CYP2C19 inhibitors, such as omeprazole or fluvoxamine, with carisoprodol could result in increased exposure of carisoprodol and decreased exposure of meprobamate. (Carisoprodol label, Drug interactions)
Amiodarone Amiodarone and its metabolite desethyl amiodarone, inhibitors of CYP2C9, and P- glycoprotein increased concentrations of the S(-)-enantiomer of carvedilol by at least 2 fold [see Clinical Pharmacology (12.5) ]. (Carvedilol label, Drug interactions)
Celecoxib During concomitant treatment with fluconazole (200 mg daily) and celecoxib (200 mg), the celecoxib C max and AUC increased by 68% and 134%, respectively. (Fluconazole label, Drug interactions)
- ChlordiazepoxidebenzodiazepineModerate
Short-acting benzodiazepines Following oral administration of midazolam, fluconazole resulted in substantial increases in midazolam concentrations and psychomotor effects. (Fluconazole label, Drug interactions)
An effect of this magnitude should not necessitate a change in the fluconazole dose regimen in subjects receiving concomitant diuretics. (Fluconazole label, Drug interactions)
- Cilostazolantiplatelet agentModerate
Strong and moderate CYP3A4 and CYP2C19 inhibitors: Increase exposure to cilostazol. (Cilostazol label, Drug interactions)
Inhibitors of CYP3A4 and CYP3A5 Inhibitors of CYP3A4 and/or CYP3A5 may increase plasma concentrations of clindamycin [ see Clinical Pharmacology (12.3) ]. (Clindamycin label, Drug interactions)
- ClobazambenzodiazepineModerate
Short-acting benzodiazepines Following oral administration of midazolam, fluconazole resulted in substantial increases in midazolam concentrations and psychomotor effects. (Fluconazole label, Drug interactions)
Short-acting benzodiazepines Following oral administration of midazolam, fluconazole resulted in substantial increases in midazolam concentrations and psychomotor effects. (Fluconazole label, Drug interactions)
- Conjugated estrogensestrogenModerate
Oral contraceptives Two pharmacokinetic studies with a combined oral contraceptive have been performed using multiple doses of fluconazole. (Fluconazole label, Drug interactions)
- CyclosporineimmunosuppressantModerate
Cyclosporine Fluconazole significantly increases cyclosporine levels in renal transplant patients with or without renal impairment. (Fluconazole label, Drug interactions)
- DabigatrananticoagulantModerate
Coumarin-type anticoagulants Prothrombin time may be increased in patients receiving concomitant fluconazole and coumarin-type anticoagulants. (Fluconazole label, Drug interactions)
- DarifenacinanticholinergicModerate
CYP3A4 Inhibitors The systemic exposure of darifenacin from darifenacin extended-release tablets is increased in the presence of CYP3A4 inhibitors. (Darifenacin label, Drug interactions)
- Dexlansoprazoleproton pump inhibitorModerate
CYP2C19 or CYP3A4 Inhibitors Clinical Impact: Increased exposure of dexlansoprazole is expected when used concomitantly with strong inhibitors [see Clinical Pharmacology (12.3) ] . (Dexlansoprazole label, Drug interactions)
Short-acting benzodiazepines Following oral administration of midazolam, fluconazole resulted in substantial increases in midazolam concentrations and psychomotor effects. (Fluconazole label, Drug interactions)
Non-steroidal anti-inflammatory drugs The C max and AUC of flurbiprofen were increased by 23% and 81%, respectively, when coadministered with fluconazole compared to administration of flurbiprofen alone. (Fluconazole label, Drug interactions)
Fluconazole has the potential to increase the systemic exposure of the calcium channel antagonists. (Fluconazole label, Drug interactions)
Strong cytochrome P450 (CYP) 3A inhibitors may increase exposure to doxazosin and increased risk of hypotension. (Doxazosin label, Drug interactions)
- DronabinolcannabinoidModerate
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). (Dronabinol label, Drug interactions)
- Drospirenone and ethinyl estradioloral contraceptiveModerate
There were no relevant effects on hormone level in the 50 mg fluconazole study, while at 200 mg daily, the AUCs of ethinyl estradiol and levonorgestrel were increased 40% and 24%, respectively. (Fluconazole label, Drug interactions)
- EdoxabananticoagulantModerate
Coumarin-type anticoagulants Prothrombin time may be increased in patients receiving concomitant fluconazole and coumarin-type anticoagulants. (Fluconazole label, Drug interactions)
- Elexacaftor, tezacaftor, and ivacaftorModerate
Ivacaftor and fixed dose ivacaftor combinations (e.g., tezacaftor/ivacaftor and ivacaftor/tezacaftor/elexacaftor) Coadministration with ivacaftor, a cystic fibrosis transmembrane conductance regulator (CFTR) potentiator, increased ivacaftor exposure by 3-fold. (Fluconazole label, Drug interactions)
- EnoxaparinanticoagulantModerate
Coumarin-type anticoagulants Prothrombin time may be increased in patients receiving concomitant fluconazole and coumarin-type anticoagulants. (Fluconazole label, Drug interactions)
- EslicarbazepineanticonvulsantModerate
CYP2C19 Substrates APTIOM can inhibit CYP2C19, which can cause increased plasma concentrations of drugs that are metabolized by this isoenzyme (e.g., phenytoin, clobazam, and omeprazole) [see Clinical Pharmacology ( 12.3 )]. (Eslicarbazepine label, Drug interactions)
Oral contraceptives Two pharmacokinetic studies with a combined oral contraceptive have been performed using multiple doses of fluconazole. (Fluconazole label, Drug interactions)
The dose of LUNESTA should be reduced in patients who are administered potent inhibitors of CYP3A4, such as ketoconazole, while taking LUNESTA. (Eszopiclone label, Warnings and precautions)
- Ethacrynic acidloop diureticModerate
An effect of this magnitude should not necessitate a change in the fluconazole dose regimen in subjects receiving concomitant diuretics. (Fluconazole label, Drug interactions)
Non-steroidal anti-inflammatory drugs The C max and AUC of flurbiprofen were increased by 23% and 81%, respectively, when coadministered with fluconazole compared to administration of flurbiprofen alone. (Fluconazole label, Drug interactions)
- EverolimusimmunosuppressantModerate
Ketoconazole and Other Strong CYP3A4 Inhibitors Multiple-dose ketoconazole administration to healthy volunteers significantly increased single dose estimates of everolimus C max , AUC, and half-life. (Everolimus label, Drug interactions)
(See CLINICAL PHARMACOLOGY: Drug Interaction Studies .) Theophylline Fluconazole increases the serum concentrations of theophylline. (Fluconazole label, Drug interactions)
- Felodipinedihydropyridine calcium channel blockerModerate
Fluconazole has the potential to increase the systemic exposure of the calcium channel antagonists. (Fluconazole label, Drug interactions)
- FluvoxamineSSRIModerate
Potential Pimozide Interaction Pimozide is metabolized by the cytochrome P4503A4 isoenzyme, and it has been demonstrated that ketoconazole, a potent inhibitor of CYP3A4, blocks the metabolism of this drug, resulting in increased plasma concentrations of parent drug. (Fluvoxamine label, Warnings and precautions)
- FondaparinuxanticoagulantModerate
Coumarin-type anticoagulants Prothrombin time may be increased in patients receiving concomitant fluconazole and coumarin-type anticoagulants. (Fluconazole label, Drug interactions)
- Formoterolbeta-adrenergic agonistModerate
…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. (Formoterol label, Drug interactions)
An effect of this magnitude should not necessitate a change in the fluconazole dose regimen in subjects receiving concomitant diuretics. (Fluconazole label, Drug interactions)
- GriseofulvinantifungalModerate
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)
…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… (Guanfacine label, Drug interactions)
- HeparinanticoagulantModerate
Coumarin-type anticoagulants Prothrombin time may be increased in patients receiving concomitant fluconazole and coumarin-type anticoagulants. (Fluconazole label, Drug interactions)
Hydrochlorothiazide In a pharmacokinetic interaction study, coadministration of multiple-dose hydrochlorothiazide to healthy volunteers receiving fluconazole increased plasma concentrations of fluconazole by 40%. (Fluconazole label, Drug interactions)
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. (Hydrocortisone label, Drug interactions)
Similarly, the C max and AUC of the pharmacologically active isomer [S-(+)-ibuprofen] were increased by 15% and 82%, respectively, when fluconazole was coadministered with racemic ibuprofen (400 mg) compared to administration of racemic ibuprofen alone. (Fluconazole label, Drug interactions)
- Indapamidethiazide diureticModerate
An effect of this magnitude should not necessitate a change in the fluconazole dose regimen in subjects receiving concomitant diuretics. (Fluconazole label, Drug interactions)
Non-steroidal anti-inflammatory drugs The C max and AUC of flurbiprofen were increased by 23% and 81%, respectively, when coadministered with fluconazole compared to administration of flurbiprofen alone. (Fluconazole label, Drug interactions)
- InfliximabimmunosuppressantModerate
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)
- Isradipinedihydropyridine calcium channel blockerModerate
Fluconazole has the potential to increase the systemic exposure of the calcium channel antagonists. (Fluconazole label, Drug interactions)
- IvacaftorCYP3A4 inhibitorModerate
Ivacaftor and fixed dose ivacaftor combinations (e.g., tezacaftor/ivacaftor and ivacaftor/tezacaftor/elexacaftor) Coadministration with ivacaftor, a cystic fibrosis transmembrane conductance regulator (CFTR) potentiator, increased ivacaftor exposure by 3-fold. (Fluconazole label, Drug interactions)
Non-steroidal anti-inflammatory drugs The C max and AUC of flurbiprofen were increased by 23% and 81%, respectively, when coadministered with fluconazole compared to administration of flurbiprofen alone. (Fluconazole label, Drug interactions)
- LacosamideanticonvulsantModerate
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. (Lacosamide label, Drug interactions)
CYP2C19 or CYP3A4 Inhibitors Clinical Impact: Increased exposure of lansoprazole is expected when used concomitantly with strong inhibitors [see Clinical Pharmacology (12.3) ] . (Lansoprazole label, Drug interactions)
- LevomilnacipranSNRIModerate
Strong CYP3A4 inhibitors : Maximum recommended dosage is 80 mg once daily ( 7 ). (Levomilnacipran label, Drug interactions)
- LevonorgestrelprogestinModerate
There were no relevant effects on hormone level in the 50 mg fluconazole study, while at 200 mg daily, the AUCs of ethinyl estradiol and levonorgestrel were increased 40% and 24%, respectively. (Fluconazole label, Drug interactions)
There were no relevant effects on hormone level in the 50 mg fluconazole study, while at 200 mg daily, the AUCs of ethinyl estradiol and levonorgestrel were increased 40% and 24%, respectively. (Fluconazole label, Drug interactions)
- Lisinopril and hydrochlorothiazideACE inhibitorModerate
Hydrochlorothiazide In a pharmacokinetic interaction study, coadministration of multiple-dose hydrochlorothiazide to healthy volunteers receiving fluconazole increased plasma concentrations of fluconazole by 40%. (Fluconazole label, Drug interactions)
- Lofexidinealpha-adrenergic agonistModerate
Risk of QT Prolongation : Lofexidine tablets prolong the QT interval. (Lofexidine label, Warnings and precautions)
Short-acting benzodiazepines Following oral administration of midazolam, fluconazole resulted in substantial increases in midazolam concentrations and psychomotor effects. (Fluconazole label, Drug interactions)
Fluconazole, an inhibitor of cytochrome P450 2C9, decreased the AUC of the active metabolite by approximately 40%, but increased the AUC of losartan by approximately 70% following multiple doses. (Losartan label, Drug interactions)
- Losartan and hydrochlorothiazideangiotensin II receptor blocker (ARB)Moderate
Hydrochlorothiazide In a pharmacokinetic interaction study, coadministration of multiple-dose hydrochlorothiazide to healthy volunteers receiving fluconazole increased plasma concentrations of fluconazole by 40%. (Fluconazole label, Drug interactions)
- LumateperoneantipsychoticModerate
Strong CYP3A4 inhibitors: Recommended dosage is 10.5 mg once daily. (Lumateperone label, Drug interactions)
Oral contraceptives Two pharmacokinetic studies with a combined oral contraceptive have been performed using multiple doses of fluconazole. (Fluconazole label, Drug interactions)
- MegestrolprogestinModerate
Oral contraceptives Two pharmacokinetic studies with a combined oral contraceptive have been performed using multiple doses of fluconazole. (Fluconazole label, Drug interactions)
Non-steroidal anti-inflammatory drugs The C max and AUC of flurbiprofen were increased by 23% and 81%, respectively, when coadministered with fluconazole compared to administration of flurbiprofen alone. (Fluconazole label, Drug interactions)
An effect of this magnitude should not necessitate a change in the fluconazole dose regimen in subjects receiving concomitant diuretics. (Fluconazole label, Drug interactions)
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. (Metronidazole label, Drug interactions)
- MidazolambenzodiazepineModerate
Short-acting benzodiazepines Following oral administration of midazolam, fluconazole resulted in substantial increases in midazolam concentrations and psychomotor effects. (Fluconazole label, Drug interactions)
Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir): Risk of increased systemic corticosteroid effects. (Mometasone label, Warnings and precautions)
Non-steroidal anti-inflammatory drugs The C max and AUC of flurbiprofen were increased by 23% and 81%, respectively, when coadministered with fluconazole compared to administration of flurbiprofen alone. (Fluconazole label, Drug interactions)
- Naldemedineopioid antagonistModerate
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… (Naldemedine label, Drug interactions)
Non-steroidal anti-inflammatory drugs The C max and AUC of flurbiprofen were increased by 23% and 81%, respectively, when coadministered with fluconazole compared to administration of flurbiprofen alone. (Fluconazole label, Drug interactions)
- Nicardipinedihydropyridine calcium channel blockerModerate
Fluconazole has the potential to increase the systemic exposure of the calcium channel antagonists. (Fluconazole label, Drug interactions)
Fluconazole has the potential to increase the systemic exposure of the calcium channel antagonists. (Fluconazole label, Drug interactions)
- NintedanibModerate
Coadministration of P-gp and CYP3A4 inhibitors may increase nintedanib exposure. (Nintedanib label, Drug interactions)
- NorethindroneprogestinModerate
Effective contraceptive measures should be considered in women of child-bearing potential who are being treated with fluconazole 400 to 800 mg/day and should continue throughout the treatment period and for approximately 1 week (5 to 6 half-lives) after the final dose. (Fluconazole label, Warnings)
There were no relevant effects on hormone level in the 50 mg fluconazole study, while at 200 mg daily, the AUCs of ethinyl estradiol and levonorgestrel were increased 40% and 24%, respectively. (Fluconazole label, Drug interactions)
- Norgestimate and ethinyl estradioloral contraceptiveModerate
There were no relevant effects on hormone level in the 50 mg fluconazole study, while at 200 mg daily, the AUCs of ethinyl estradiol and levonorgestrel were increased 40% and 24%, respectively. (Fluconazole label, Drug interactions)
Amitriptyline, nortriptyline Fluconazole increases the effect of amitriptyline and nortriptyline. (Fluconazole label, Drug interactions)
- OliceridineopioidModerate
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… (Oliceridine label, Warnings and precautions)
CYP2C19 or CYP3A4 Inhibitors Clinical Impact: Increased exposure of omeprazole [see Clinical Pharmacology ( 12.3 )] . (Omeprazole label, Drug interactions)
Co-administration with strong cytochrome P450 (CYP) 3A4 inhibitors (e.g., ketoconazole) increases the systemic exposure of oxybutynin. (Oxybutynin label, Drug interactions)
- PentoxifyllinemethylxanthineModerate
(See CLINICAL PHARMACOLOGY: Drug Interaction Studies .) Theophylline Fluconazole increases the serum concentrations of theophylline. (Fluconazole label, Drug interactions)
(See CLINICAL PHARMACOLOGY: Drug Interaction Studies .) Phenytoin Fluconazole increases the plasma concentrations of phenytoin. (Fluconazole label, Drug interactions)
- PitavastatinstatinModerate
HMG-CoA reductase inhibitors The risk of myopathy and rhabdomyolysis increases when fluconazole is coadministered with HMG-CoA reductase inhibitors metabolized through CYP3A4, such as atorvastatin and simvastatin, or through CYP2C9, such as fluvastatin (decreased hepatic metabolism of the statin). (Fluconazole label, Drug interactions)
HMG-CoA reductase inhibitors The risk of myopathy and rhabdomyolysis increases when fluconazole is coadministered with HMG-CoA reductase inhibitors metabolized through CYP3A4, such as atorvastatin and simvastatin, or through CYP2C9, such as fluvastatin (decreased hepatic metabolism of the statin). (Fluconazole label, Drug interactions)
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. (Prednisolone label, Drug interactions)
The discontinuation of fluconazole presumably caused an enhanced CYP3A4 activity which led to increased metabolism of prednisone. (Fluconazole label, Drug interactions)
- ProgesteroneprogestinModerate
Oral contraceptives Two pharmacokinetic studies with a combined oral contraceptive have been performed using multiple doses of fluconazole. (Fluconazole label, Drug interactions)
Impact of Other Drugs on Propranolol CYP2D6, CYP1A2 and CYP2C19 Inhibitors: CYP2D6 inhibitors (e.g. bupropion, fluoxetine, paroxetine, quinidine), CYP1A2 inhibitors (e.g., ciprofloxacin, enoxamine, fluvoxamine) and CYP2C19 inhibitors (e.g., fluconazole, fluvoxamine, ticlopidine) increase exposure to propranolol when co-administered with INNOPRAN XL. (Propranolol label, Drug interactions)
- Ramelteonsedative-hypnoticModerate
Ketoconazole (strong CYP3A4 inhibitor): Increases AUC for ramelteon; administer with caution. (Ramelteon label, Drug interactions)
- RiociguatvasodilatorModerate
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)
- RoflumilastPDE4 inhibitorModerate
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. (Roflumilast label, Drug interactions)
HMG-CoA reductase inhibitors The risk of myopathy and rhabdomyolysis increases when fluconazole is coadministered with HMG-CoA reductase inhibitors metabolized through CYP3A4, such as atorvastatin and simvastatin, or through CYP2C9, such as fluvastatin (decreased hepatic metabolism of the statin). (Fluconazole label, Drug interactions)
CYP3A4 inhibitors (e.g., ritonavir, ketoconazole, itraconazole, erythromycin) increase SILDENAFIL ORAL FILM exposure. (Sildenafil label, Drug interactions)
An effect of this magnitude should not necessitate a change in the fluconazole dose regimen in subjects receiving concomitant diuretics. (Fluconazole label, Drug interactions)
- Spironolactone and hydrochlorothiazidealdosterone antagonistModerate
Hydrochlorothiazide In a pharmacokinetic interaction study, coadministration of multiple-dose hydrochlorothiazide to healthy volunteers receiving fluconazole increased plasma concentrations of fluconazole by 40%. (Fluconazole label, Drug interactions)
- Sumatriptan and naproxentriptanModerate
Non-steroidal anti-inflammatory drugs The C max and AUC of flurbiprofen were increased by 23% and 81%, respectively, when coadministered with fluconazole compared to administration of flurbiprofen alone. (Fluconazole label, Drug interactions)
- Suvorexantsedative-hypnoticModerate
The recommended dose of BELSOMRA is 5 mg in subjects receiving moderate CYP3A inhibitors (e.g., amprenavir, aprepitant, atazanavir, ciprofloxacin, diltiazem, erythromycin, fluconazole, fosamprenavir, grapefruit juice, imatinib, verapamil). (Suvorexant label, Drug interactions)
…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 )] . (Tadalafil label, Warnings and precautions)
Short-acting benzodiazepines Following oral administration of midazolam, fluconazole resulted in substantial increases in midazolam concentrations and psychomotor effects. (Fluconazole label, Drug interactions)
The influence of terbinafine on the pharmacokinetics of fluconazole, cotrimoxazole (trimethoprim and sulfamethoxazole), zidovudine or theophylline was not considered to be clinically significant. (Terbinafine label, Drug interactions)
(See CLINICAL PHARMACOLOGY: Drug Interaction Studies .) Theophylline Fluconazole increases the serum concentrations of theophylline. (Fluconazole label, Drug interactions)
- TinidazoleantibioticModerate
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. (Tinidazole label, Drug interactions)
- TofacitinibimmunosuppressantModerate
(See CLINICAL PHARMACOLOGY: Drug Interaction Studies .) Tofacitinib Systemic exposure to tofacitinib is increased when tofacitinib is coadministered with fluconazole. (Fluconazole label, Drug interactions)
An effect of this magnitude should not necessitate a change in the fluconazole dose regimen in subjects receiving concomitant diuretics. (Fluconazole label, Drug interactions)
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. (Triamcinolone label, Drug interactions)
- Triamterenepotassium-sparing diureticModerate
An effect of this magnitude should not necessitate a change in the fluconazole dose regimen in subjects receiving concomitant diuretics. (Fluconazole label, Drug interactions)
Hydrochlorothiazide In a pharmacokinetic interaction study, coadministration of multiple-dose hydrochlorothiazide to healthy volunteers receiving fluconazole increased plasma concentrations of fluconazole by 40%. (Fluconazole label, Drug interactions)
- Umeclidinium and vilanterolanticholinergicModerate
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,… (Umeclidinium and vilanterol label, Warnings and precautions)
- Valsartan and hydrochlorothiazideangiotensin II receptor blocker (ARB)Moderate
Hydrochlorothiazide In a pharmacokinetic interaction study, coadministration of multiple-dose hydrochlorothiazide to healthy volunteers receiving fluconazole increased plasma concentrations of fluconazole by 40%. (Fluconazole label, Drug interactions)
Fluconazole has the potential to increase the systemic exposure of the calcium channel antagonists. (Fluconazole label, Drug interactions)
CYP3A4 Inhibitors: The VIIBRYD dose should not exceed 20 mg once daily when co-administered with strong CYP3A4 inhibitors ( 2.4 , 7 ). (Vilazodone label, Drug interactions)
- Viloxazinenorepinephrine reuptake inhibitorModerate
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) ]. (Viloxazine label, Drug interactions)
In post-marketing experience, as with other azole antifungals, bleeding events (bruising, epistaxis, gastrointestinal bleeding, hematuria, and melena) have been reported in association with increases in prothrombin time in patients receiving fluconazole concurrently with warfarin. (Fluconazole label, Drug interactions)
- Zafirlukastleukotriene receptor antagonistModerate
Coadministration of zafirlukast with fluconazole, a moderate CYP2C9 inhibitor, resulted in increased plasma levels of zafirlukast, by approximately 58% (90% CI:28, 95). (Zafirlukast label, Precautions)
- Zaleplonsedative-hypnoticModerate
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. (Zaleplon label, Drug interactions)
CYP3A4 Inhibitors Ketoconazole Ketoconazole, a potent CYP3A4 inhibitor, increased the exposure to and pharmacodynamic effects of zolpidem. (Zolpidem label, Drug interactions)
Minor mentions (10)
- AdapaleneretinoidMinor
Vitamin A Based on a case report in one patient receiving combination therapy with all-trans-retinoid acid (an acid form of vitamin A) and fluconazole, central nervous system (CNS) related undesirable effects have developed in the form of pseudotumor cerebri, which disappeared after discontinuation of fluconazole treatment. (Fluconazole label, Drug interactions)
- DesonidecorticosteroidMinor
If concomitant skin infections are present or develop, an appropriate antifungal or antibacterial agent should be used. (Desonide label, Precautions)
Drugs Metabolized by CYP2C19 Results of in vitro studies demonstrate that duloxetine does not inhibit CYP2C19 activity at therapeutic concentrations. (Duloxetine label, Drug interactions)
- Dutasteride5-alpha reductase inhibitorMinor
The effect of potent CYP3A4 inhibitors on dutasteride has not been studied. (Dutasteride label, Drug interactions)
- Emtricitabine and tenofovirantiretroviralMinor
TAF is a weak inhibitor of CYP3A in vitro . (Emtricitabine and tenofovir label, Drug interactions)
- FamciclovirantiviralMinor
An in vitro study using human liver microsomes suggests that famciclovir is not an inhibitor of CYP3A4 enzymes. (Famciclovir label, Drug interactions)
- FluocinonidecorticosteroidMinor
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)
- IsotretinoinretinoidMinor
Vitamin A Based on a case report in one patient receiving combination therapy with all-trans-retinoid acid (an acid form of vitamin A) and fluconazole, central nervous system (CNS) related undesirable effects have developed in the form of pseudotumor cerebri, which disappeared after discontinuation of fluconazole treatment. (Fluconazole label, Drug interactions)
- Pimecrolimuscalcineurin inhibitorMinor
Some examples of such drugs are erythromycin, itraconazole, ketoconazole, fluconazole, calcium channel blockers and cimetidine. (Pimecrolimus label, Drug interactions)
- Treprostinilprostaglandin analogMinor
Effect of Other Drugs on Treprostinil Drug interaction studies have been carried out with treprostinil (oral or subcutaneous) co-administered with acetaminophen (4 g/day), warfarin (25 mg/day), and fluconazole (200 mg/day), respectively, in healthy volunteers. (Treprostinil label, Drug interactions)
Check Fluconazole against everything you take. Add your full list; every pair is checked at once.
Open in the checkerNot medical advice. Severity reflects the label's wording, not your circumstances. A "major" flag can be routine under supervision and a "minor" one can matter at high doses. Ask a pharmacist.