A member asked:

I did a protected vaginal sex with call gril in india.i started resvoday tablet after 7 days of exposure as per doctor advise and take it 40 days. from sex on day 10 rna pcr hiv1 target not detected on week 5 & 11 hiv combo ag/ab negative.i worried?

A doctor has provided 1 answer
Dr. Hunter Handsfield answered

Specializes in Infectious Disease

Preventing HIV: Post-exposure prophlaxis (PEP) with anti-HIV drugs is very effective, but is pointless when started 7 days after exposure. It must be started within 3 days, preferably within 48 hours. It will have no effect in preventing HIV. And testing while taking the drug is pointless; your negative results so far are meaningless. You'll need testing for a few weeks after you finish treatment.

Answered 4/21/2020

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