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PrEP, or pre-exposure prophylaxis, is medicine people at risk for HIV take to prevent getting HIV from sex or injection drug use. PrEP can stop HIV from taking hold and spreading throughout your body.

Currently, there are two FDA-approved daily oral medications for PrEP. A long-acting injectable form of PrEP has also been approved by the FDA.

Is PrEP Safe?

PrEP is safe. No significant health effects have been seen in people who are HIV-negative and have taken PrEP for up to 5 years.

Some people taking PrEP may have side effects, like nausea, diarrhea, headache, fatigue, and stomach pain. These side effects are usually not serious and go away over time. If you are taking PrEP, tell your health care provider if you have any side effect that bothers you or that does not go away.

And be aware: PrEP protects you against HIV but not against other sexually transmitted infections (STIs) or other types of infections. Combining PrEP with condoms will reduce your risk of getting other STIs.