Dolutegravir and Rifampin interaction
Dolutegravir and Rifampin: 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 Rifampin (Rifadin IV) label · effective 2026-05-27
…Concentrations Administered with rifampin 600 mg daily, unless otherwise specified Drug or Drug Class and Prevention or Management Clinical Effect AUC = area under the time-concentration curve Antiretrovirals Prevention or Management: Concomitant use is contraindicated (see CONTRAINDICATIONS ) Atazanavir Decrease AUC by 72% Darunavir Rifampin dosage used concomitantly with…
Cabotegravir Decrease AUC by 59% Fostemsavir Decrease AUC by 82% Lenacapavir (SUNLENCA ® ) Indicated for the treatment of human immunodeficiency virus-1 (HIV-1) infection Decrease AUC by 84% Antiretrovirals Prevention or Management: Avoid concomitant use Zidovudine Decrease AUC by 47% Indinavir Decrease AUC by 92% Efavirenz Decrease AUC by 26% Antiretrovirals Prevention…
From the Dolutegravir (Tivicay) label · effective 2026-05-22
Rifampin a ↓Dolutegravir Adjust dose of TIVICAY to twice daily for treatment-naïve and treatment-experienced, INSTI-naïve adult patients.
Use alternatives to rifampin where possible for INSTI-experienced patients with certain INSTI-associated resistance substitutions or clinically suspected INSTI resistance. b 7.4 Drugs without Clinically Significant Interactions with Dolutegravir Based on drug interaction trial results, the following drugs can be coadministered with dolutegravir without a dose…
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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.