Pre-exposure Prophylaxis

Lisa A. Spacek, M.D., Ph.D.


  • Preexposure prophylaxis (PrEP) is the use of antiretroviral (ARV) drugs by HIV-negative individuals to prevent acquisition of HIV.
  • Consider PrEP for:
    • Anyone from a population whose HIV incidence is at least 2% per year; or
    • HIV-seronegative partners of HIV-infected person whose viral load is not suppressed.[2]

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Last updated: June 3, 2017