Etravirine and Itraconazole interaction
Etravirine and Itraconazole: the Etravirine prescribing label describes an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Etravirine label · effective 2025-04-02
Concomitant systemic use of itraconazole or ketoconazole and Etravirine may increase plasma concentrations of etravirine.
Simultaneously, plasma concentrations of itraconazole or ketoconazole may be decreased by Etravirine.
Dose adjustments for itraconazole, ketoconazole or posaconazole may be necessary depending on the other co-administered drugs.
CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily.
Antifungals : fluconazole ↑ etravirine ↔ fluconazole Co-administration of etravirine and fluconazole significantly increased etravirine exposures.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
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.