A member asked:

I had an unsafe exposure 2 years ago. have heard that sometimes rpr (syphilis) can show negative 6 months after exposure but tpha can show positive. so, how to avoid false negative and how reliable is rpr 6 months after exposure. need for retesting ?

3 doctors weighed in across 2 answers
Dr. Hunter Handsfield answered

Specializes in Infectious Disease

You also asked about prozone: see that reply. False negative results are exceedingly rare for either HIV or syphilis testing, and would not occur on multiple tests. You can be certain you have neither HIV nor syphilis. Stop worrying about it! (Don't confuse guilt or shame over a sexual decision you may regret with infection risk from that event. They aren't the same.) Stop asking on this forum.

Answered 3/27/2022

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If the HIV test and TPHA tests were negative 2 years after an exposure, you do no have either infection. For healthy diet: http://www.choosemyplate.gov/., exercise 30 minutes/day, drink enough water daily so your urine is mostly colorless, have safe sex, no tobacco alcohol weed or street drugs. Get HPV, Flu and Covid vaccines. Wish you good health!

Answered 3/27/2022

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