Bictegravir, emtricitabine, and tenofovir alafenamide and Lenacapavir interaction
Bictegravir, emtricitabine, and tenofovir alafenamide and Lenacapavir: 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 Bictegravir, emtricitabine, and tenofovir alafenamide (BIXLENVO) label · effective 2026-08-27
Because BIXLENVO is a complete regimen, coadministration with other antiretroviral medications for the treatment of HIV-1 infection is not recommended ( 7.1 )
Concomitant administration of BIXLENVO with combined P-gp, UGT1A1, and strong CYP3A inhibitors is not recommended.
Combined P-gp, UGT1A1, and Strong CYP3A Inhibitors Combined UGT1A1 and strong CYP3A inhibitors may significantly increase plasma concentrations of BIC.
Combined P-gp, UGT1A1, and strong CYP3A inhibitors may significantly increase plasma concentrations of LEN.
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.
From the Lenacapavir (Sunlenca) label · effective 2026-08-27
…triazolam is concomitantly administered with SUNLENCA 7.4 Drugs without Clinically Significant Interactions with SUNLENCA Based on drug interaction studies conducted with SUNLENCA, no clinically significant drug interactions have been observed with: darunavir/cobicistat, cobicistat, famotidine, pitavastatin, rosuvastatin, tenofovir alafenamide, and voriconazole.
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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.