Posted by: Lenard | 2017/10/16


Negative test result.

Hi. 11 days after possible exposure i did a pcr rna hiv test which came back negative. A few days after i went on truvada for prevention. At 5 weeks I did a 4th generation test and at 6 weeks I did another pcr rna test, both came back negative. My questions are, could the truvada cause the hiv antibodies not to be detected? and for the p24antigen test, could it possible that the antigens peaked at 3-4 weeks therefore making them undetectable at 6 weeks? Also, I literally have to eat constantly as it seems I cannot gain the 5lbs i lost during the first week following possible exposure. What could be causing my weight problem at 9 weeks after?

Expert's Reply


HIV/Aids expert
- 2017/10/23

You are HIV negative. You took Truvada way after the 72 hour period so it would not have been effective. Please go and see a doctor or nurse clinician with regards to your weight loss

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