Does Fluconazole Interact with Pravastatin Sodium?

Fluconazole and Pravastatin Sodium have a unknown drug interaction according to U.S. FDA drug labeling data. Drug-Drug Interactions Table 3: Effect of Coadministered Drugs on the Pharmacokinetics of Pravastatin Pravastatin Coadministered Drug and Dosing Regimen Dose (mg) Change in AUC Change in C max BID = twice daily; OD = once daily; QID = four times daily Cyclosporine 5 mg/kg single dose 40 mg single dose ↑282% ↑327% Clarithromycin 500 mg BID for 9 days 40 mg OD for 8 days ↑110% ↑128% Boceprevir 800 mg TID for 6 days 40 mg single dose ↑63% ↑49% Darunavir 600 mg BID/Ritonavir 100 mg BID for 7 days 40 mg single dose ↑81% ↑63% Colestipol 10 g single dose 20 mg single dose ↓47% ↓53% Cholestyramine 4 g single dose Administered simultaneously Administered 1 hour prior to cholestyramine Administered 4 hours after cholestyramine 20 mg single dose ↓40% ↑12% ↓12% ↓39% ↑30% ↓6.8% Cholestyramine 24 g OD for 4 weeks 20 mg BID for 8 weeks 5 mg BID for 8 weeks 10 mg BID for 8 weeks ↓51% ↓38% ↓18% ↑4.9% ↑23% ↓33% Fluconazole 200 mg IV for 6 days 200 mg PO for 6 days 20 mg PO+10 mg IV 20 mg PO+10 mg IV ↓34% ↓16% ↓33% ↓16% Kaletra 400 mg/100 mg BID for 14 days 20 mg OD for 4 days ↑33% ↑26% Verapamil IR 120 mg for 1 day and Verapamil ER 480 mg for 3 days 40 mg single dose ↑31% ↑42% Cimetidine 300 mg QID for 3 days 20 mg single dose ↑30% ↑9.8% Antacids 15 mL QID for 3 days 20 mg single dose ↓28% ↓24% Digoxin 0.2 mg OD for 9 days 20 mg OD for 9 days ↑23% ↑26% Probucol 500 mg single dose 20 mg single dose ↑14% ↑24% Warfarin 5 mg OD for 6 days 20 mg BID for 6 days ↓13% ↑6.7% Itraconazole 200 mg OD for 30 days 40 mg OD for 30 days ↑11% (compared to Day 1) ↑17% (compared to Day 1) Gemfibrozil 600 mg single dose 20 mg single dose ↓7.0% ↓20% Aspirin 324 mg single dose 20 mg single dose ↑4.7% ↑8.9% Niacin 1 g single dose 20 mg single dose ↓3.6% ↓8.2% Diltiazem 20 mg single dose ↑2.7% ↑30% Grapefruit juice 40 mg single dose ↓1.8% ↑3.7% Table 4: Effect of Pravastatin on the Pharmacokinetics of Coadministered Drugs Pravastatin Dosing Regimen Name and Dose Change in AUC Change in C max BID = twice daily; OD = once daily 20 mg BID for 6 days Warfarin 5 mg OD for 6 days Change in mean prothrombin time ↑17% ↑0.4 sec ↑15% 20 mg OD for 9 days Digoxin 0.2 mg OD for 9 days ↑4.6% ↑5.3% 20 mg BID for 4 weeks 10 mg BID for 4 weeks 5 mg BID for 4 weeks Antipyrine 1.2 g single dose ↑3.0% ↑1.6% ↑ Less than 1% Not Reported 20 mg OD for 4 days Kaletra 400 mg/100 mg BID for 14 days No change No change Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.

Severity

Unknown

Fluconazole Class

Azole Antifungal

Management

Consult your pharmacist

Data Source

U.S. FDA via OpenFDA