PrEP is safe but some people experience side effects like diarrhea, nausea, headache, fatigue, and stomach pain. These side effects usually go away over time. Tell your health care provider about any side effects that are severe or do not go away. Learn more about side effects from the Truvada® and Descovy® .

About PrEP | PrEP | HIV Basics | HIV/AIDS

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What is PrEP?

Learn about your HIV risk and how to lower it.

PrEP (pre-exposure prophylaxis) is medicine people at risk for HIV take to prevent getting HIV from sex or injection drug use.

Are there different types of PrEP?

There are two medications approved for use as PrEP: Truvada® and Descovy®.

Truvada®external icon is for all people at risk through sex or injection drug use.
Descovy®external icon is for people at risk through sex, except for people assigned female at birth who are at risk of getting HIV from vaginal sex.

Is PrEP safe?

PrEP is safe but some people experience side effects like diarrhea, nausea, headache, fatigue, and stomach pain. These side effects usually go away over time.
Tell your health care provider about any side effects that are severe or do not go away.
Learn more about side effects from the Truvada®external icon and Descovy®external icon.