Cabotegravir and Elvitegravir, cobicistat, emtricitabine, and tenofovir interaction
Cabotegravir and Elvitegravir, cobicistat, emtricitabine, and tenofovir: 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 )] .
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 Elvitegravir, cobicistat, emtricitabine, and tenofovir (Genvoya) label · effective 2025-02-03
GENVOYA should not be administered with other antiretroviral medications for treatment of HIV-1 infection.
Not Recommended with Other Antiretroviral Medications GENVOYA is a complete regimen for the treatment of HIV-1 infection; therefore, coadministration of GENVOYA with other antiretroviral medications for treatment of HIV-1 infection should be avoided.
Complete information regarding potential drug-drug interactions with other antiretroviral medications is not provided [see Contraindications (4) , Warnings and Precautions (5.2) and Clinical Pharmacology (12.3) ] .
Lactic Acidosis/Severe Hepatomegaly with Steatosis Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogs, including emtricitabine, a component of GENVOYA, and tenofovir DF, another prodrug of tenofovir, alone or in combination with other antiretrovirals.
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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.