Ketoconazole and Olopatadine and mometasone interaction
Ketoconazole and Olopatadine and mometasone: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Ketoconazole label · effective 2026-07-07
Fluticasone: Coadministration of fluticasone propionate and ketoconazole is not recommended unless the potential benefit to the patient outweighs the risk of systemic corticosteroid side effects.
Adrenal Insufficiency Ketoconazole tablets decrease adrenal corticosteroid secretion at doses of 400 mg and higher.
From the Olopatadine and mometasone (Ryaltris) label · effective 2026-01-23
Concomitant administration of CYP3A4 inhibitors may inhibit the metabolism of, and increase the mometasone furoate plasma concentration and potentially increase the risk for adverse reactions.
Caution should be exercised when considering the coadministration of RYALTRIS with strong CYP3A4 inhibitors [see Clinical Pharmacology ( 12.3 )] .
Inhibitors of Cytochrome P450 3A4 Studies have shown that mometasone furoate, a component of RYALTRIS, is primarily and extensively metabolized to multiple metabolites.
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Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.