Betamethasone and Bictegravir, emtricitabine, and tenofovir alafenamide interaction
Betamethasone and Bictegravir, emtricitabine, and tenofovir alafenamide: the Bictegravir, emtricitabine, and tenofovir alafenamide 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 Bictegravir, emtricitabine, and tenofovir alafenamide (BIXLENVO) label · effective 2026-08-27
Corticosteroids (systemic): cortisone/hydrocortisone dexamethasone ↑ corticosteroids (systemic) ↓ lenacapavir (dexamethasone) Concomitant administration with systemic corticosteroids whose exposures are significantly increased by CYP3A inhibitors can increase the risk for Cushing's syndrome and adrenal suppression.
Alternative corticosteroids to dexamethasone should be considered, particularly for long-term use.
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.