Does Fluticasone Salmeterol Interact With Ketoconazole?

• Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): Use not recommended.

Severity: Major

Severity basis: drug interactions section (keywords: not recommended). Combining Fluticasone Salmeterol (Corticosteroid/LABA combination) and Ketoconazole (Azole antifungal (strong CYP3A4 inhibitor)) is classified as a major interaction.

What to Do

The label advises avoiding this combination or using it only under close medical supervision. Talk to your prescriber or pharmacist before combining them.

From the FDA Label

• Strong cytochrome P450 3A4 inhibitors (e.g., ritonavir, ketoconazole): Use not recommended.

Source: FDA structured product labeling (set_id 17dd0a86-8161-4aa9-9b90-a23d81b38164).

Fluticasone Salmeterol

Corticosteroid/LABA combination

Brands: Advair, AirDuo

View Fluticasone Salmeterol safety profile

Ketoconazole

Azole antifungal (strong CYP3A4 inhibitor)

Brands: Nizoral

View Ketoconazole 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 It may be incomplete or out of date, and individual circumstances vary.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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