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Pre-exposure prophylaxis (PrEP) for HIV prevention
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  • Description:
    Fast facts -- PrEP medicines -- Research supporting PrEP use -- Guidelines for PrEP use -- Summary of guidance for PrEP use -- Supporting PrEP uptake -- Resources.

    Pre-exposure prophylaxis, or PrEP, is a way for people who do not have HIV to help prevent HIV infection by taking a pill every day. The pill contains two medicines that are also used, in combination with other medicines, to treat HIV. When someone is exposed to HIV through sex or injection drug use, PrEP can help stop the virus from establishing a permanent infection.

    When used consistently, PrEP has been shown to greatly reduce the risk of HIV infection in people who are at substantial risk. PrEP is much less effective when it is not taken consistently.

    PrEP is a powerful HIV prevention tool, and can be combined with condoms and other prevention methods to provide even greater protection than when used alone. People who use PrEP must commit to taking the drug daily and seeing their health care provider every 3 months for HIV testing and other follow-up.

    Fact sheet to accompany: United States. Public Health Service. Preexposure prophylaxis for the prevention of HIV infection – 2014 : a clinical practice guideline. 2014.

    May 2014; created 5/14/14.

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