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Is This Enough? HIV testing after PEP
Nov 21, 2017

Hi Doc,

Seems like PEP guidelines have changed in the last year or so? Anyway, I did a HIV Duo 14 weeks after exposure (10 weeks after stopping PEP). There still seems to be some confusion if I need to test out to 24 weeks post exposure, or can I definitely put this behind me and move on?

Response from Dr. Young

Hello and thanks for posting.

The US HIV Post-exposure Prophylaxis Guidelines were indeed updated last year.

Generally, HIV antigen/antibody testing is recommended at baseline, 4-6 weeks and 3 months (12 weeks) after exposure. Only in the case of acquisition of hepatitis C virus infection is HIV testing also recommended longer- to 6 months after exposure.

So move on. A negative test at 14 weeks (unless you were unfortunate enough to get acute HCV infection) is considered definitive.

I hope that's helpful, BY

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