PrEP & PEP
PEP Emergency Timeline Calculator
Possible exposure? Find out how much time you have for PEP.
PEP must start within 72 hours of exposure, the sooner the better. PEP is taken after a possible exposure as a 28-day course of pills. If you may have been exposed, don't wait for this result; head to a clinic, hospital, or pharmacy offering PEP now.
Educational only, not a medical diagnosis.
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