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HIV PrEP Drug Chart

This quick reference chart compares the available options for pre-exposure prophylaxis (PrEP) for the prevention of HIV by drug class. Click on any of the medications for more info on dosing, side effects and drug interactions.


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*generic version available

E experimental

DRUG Truvada (tenofovir disoproxil fumarate + emtricitabine)
ADULT DOSING One tablet once a day. Each tablet contains 300 mg tenofovir disoproxil fumarate + 200 mg emtricitabine.
DOSING INFO Take with or without food.
DRUG Descovy (tenofovir alafenamide + emtricitabine)
Decovy Tablet
ADULT DOSING One tablet once a day. Each tablet contains 200mg emtricitabine + 25mg tenofovir alafenamide fumarate (TAF).
DOSING INFO Take with or without food.
DRUG Apretude (cabotegravir)
Apretude Vial
ADULT DOSING Apretude is initiated with two 600 mg injections given one month apart for the first two months. After the second initiation injection, injections are given every two months. Alternatively, oral cabotegravir (Vocabria) may be taken for four weeks before the injections.
DOSING INFO Apretude is given as a single injection in the buttocks administered by a health care worker every other month.

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