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PEP 28 days or 30 days?

Oct 22, 2011

Hello, I had a risky exposure and am currently on PEP. From what I have read I must take it for 28 days, however the box contains 30 days of pills. What should I do? Take PEP for 28 days or 30 days? Also, when it's time to take my test, shall I wait 6 weeks, 3 months, 6 months, after exposure or after PEP completion when I take the test? I'm a bit lost.


Response from Dr. Young

Hi and thanks for posting.

Current US Treatment Guidelines for Occupational Exposure PEP and Sexual, Injection Drug-use or non-occupational Exposure nPEP recommend 4 weeks (28 days) treatment.

With regards to testing, there's some controversy. Many experts recommend follow up testing through 3 months. The US PEP/nPEP guidelines recommend HIV testing at baseline, 4-6 weeks, 3 and 6 months.

Be well, BY

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