What Is PrEP for HIV Prevention?
PrEP (Pre-Exposure Prophylaxis) is a daily medication that prevents HIV infection. When taken as prescribed, it is more than 99% effective.
Medications
- tenofovir/emtricitabine (PrEP): tenofovir/emtricitabine (approved for all at-risk populations)
- tenofovir alafenamide/emtricitabine (PrEP): tenofovir alafenamide/emtricitabine (not approved for vaginal sex)
- long-acting injectable PrEP: long-acting injection every 2 months
Who Should Consider PrEP
- HIV-negative partner of HIV-positive person
- Multiple sexual partners without consistent condom use
- Recent bacterial STD
- Injecting drug use with sharing
Requirements
- Confirmed HIV-negative before starting
- HIV testing every 3 months while on PrEP
- Kidney function monitoring
- Adherence is critical for effectiveness
Access
- Covered by most insurance
- Patient assistance programs available (Gilead Advancing Access)
Source: CDC, American Sexual Health Association.
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