Jun 24, 2014
Hello doctor young,I need your help ,if someone has been on pep for three weeks can he /she infect some body with HIV.And if yes can that remaining week of pep treatment help him /her for being free from HIV ,thank you
Response from Dr. Young
Hello and thanks for posting.
PEP is very effective in preventing HIV infection, but it's important to start within 72 hours of the exposure and complete the 4 weeks of treatment. It's very unlikely, but theoretically possible to transmit HIV while on PEP. For this reason, though perhaps challenging, it would seem reasonable to avoid condom-free sexual intercourse during this period (and in reality, for the three month period of monitoring tests).
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