Everolimus and Ketoconazole interaction

Everolimus and Ketoconazole: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Everolimus (Afinitor) label · effective 2026-06-01

Major

Do not administer antifungal agents, unless fungal infection has been diagnosed.

Warnings and precautionsby drug classView label on DailyMed
Major

Strong CYP3A inhibitor and P-gp inhibitor : Avoid coadministration.

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Major

Effect of Other Drugs on AFINITOR/AFINITOR DISPERZ Strong or Moderate CYP3A Inhibitor and P-gp Inhibitor Avoid the coadministration of a strong CYP3A inhibitor and P-gp inhibitor [see Dosage and Administration (2.11), Clinical Pharmacology (12.3)] .

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Moderate

Moderate CYP3A inhibitor and P-gp inhibitor : Reduce the dosage as recommended.

Drug interactionsby drug classView label on DailyMed

From the Ketoconazole label · effective 2026-07-07

Moderate

Immunosuppressants everolimus, rapamycin (also known as sirolimus), temsirolimus budesonide, ciclesonide, cyclosporine, dexamethasone, fluticasone, methylprednisolone, tacrolimus Rapamycin (sirolimus): Ketoconazole tablets 200 mg daily for 10 days increased the C max and AUC of a single 5 mg dose of sirolimus by 4.3 fold and 10.9 fold, respectively in 23 healthy…

Drug interactionsby drug classView label on DailyMed

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Not 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.