What drugs interact with Flonase?
Flonase
Medications
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Open Apr 27, 2026 - 11:25 AM
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Apr 27, 2026 - 11:25 AM
Strong cytochrome P450 3A4 inhibitors, including ketoconazole and ritonavir, can interact with Flonase. Cytochrome P450 3A4 (CYP3A4) is an enzyme involved in drug metabolism; inhibitors can raise fluticasone levels and increase side effects.
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