Does Fluconazole Interact With Simvastatin?

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.

Severity: Minor

Severity basis: drug interactions section. Combining Fluconazole (Azole antifungal) and Simvastatin (HMG-CoA reductase inhibitor (statin)) is classified as a minor interaction.

What to Do

This is generally a minor interaction, but review it with your pharmacist to be sure it is safe for you.

From the FDA Label

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.

Source: FDA structured product labeling (set_id 01df20c4-7b94-044e-e063-6394a90a406a).

Fluconazole

Azole antifungal

Brands: Diflucan

View Fluconazole safety profile

Simvastatin

HMG-CoA reductase inhibitor (statin)

Brands: Zocor

View Simvastatin safety profile

Check these against your full medication list in our free Interaction Checker

This information is educational — not medical advice.

This page is provided for general educational purposes and summarizes publicly available data from sources such as the U.S. Food & Drug Administration. It is not a substitute for the judgment of a licensed clinician and should not be used to start, stop, or change any medication. It may be incomplete or out of date, and individual circumstances vary. Always talk with your prescriber or pharmacist about your specific medications and health conditions. If you think you may have a medical emergency, call 911.

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