Fast Five Quiz: How Much Do You Know About HIV Pre- and Postexposure Prophylaxis?

Jason F. Okulicz, MD


January 19, 2021

PEP should be used only in emergency situations and initiated within 72 hours after a potential HIV exposure and continued for a duration of 28 days. Ideally, PEP should be initiated within hours of an exposure. In cases involving a high risk for transmission, PEP may be considered after a longer delay of therapy initiation (eg, 1 week). For prolonged delays in initiating PEP, the risks of ART most likely outweigh its benefits, although the exact period in which this is determined has not been defined.

Learn more about occupational and nonoccupational HIV PEP.


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