Cabotegravir and Etravirine interaction
Cabotegravir and Etravirine: 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 Cabotegravir (Vocabria) label · effective 2025-04-11
Coadministration with other antiretroviral medications for PrEP is not recommended.
Coadministration of VOCABRIA with other antiretroviral medications for PrEP is not recommended [see Drug Interactions ( 7.4 ), Clinical Pharmacology ( 12.3 )] .
Drugs without Clinically Significant Interactions with Cabotegravir Based on drug interaction study results, the following drugs can be coadministered with cabotegravir without a dose adjustment: etravirine, midazolam, oral contraceptives containing levonorgestrel and ethinyl estradiol, rifabutin, and rilpivirine [see Clinical Pharmacology ( 12.3 )] .
Concomitant Use with Other Antiretroviral Medicines VOCABRIA in combination with EDURANT (rilpivirine) is a complete regimen for the treatment of HIV-1 infection.
From the Etravirine label · effective 2025-04-02
Stevens-Johnson syndrome was reported in 1.1% (2/177) of pediatric patients less than 18 years of age receiving Etravirine in combination with other HIV-1 antiretroviral agents in an observational study.
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.