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What Does This Syphilis Test Report Indicate?

Posted on Thu, 25 Aug 2016

Question: Im HIV Undetectable and Im concerned that i have a reoccurrence of syphillus. Last year when i first got it my doc ordered 2 injections per week for three weeks. Retested and came back within the norm for a previously infected person. I don't recall the numbers. But doc said i was fine. Recently developed a rash on torso, a little itchy this time but looked similar but don't recall a sore prior to that. Feels more like an allergy reaction to me but went and had another screening for syphillus and the test cam back - RPR - Value / Reactive (A) - Reference range / non-reactive - RPR, Quant - Value / 1:128 (H) - Reference Range / NonRea<1:1. It's been 5 days since the rash appeared and is now gone....Think it may have been just an allergy reaction or think I'm reinfected?

Answered by Dr. Dr.Saatiish Jhuntrraa (2 hours later)

Brief Answer:
You are not infected

Detailed Answer:
hi
Thanks for the query
RPR or rapid plasma reagin is a nonspecific screening test that detects only antibodies against many other antigens so false positive is very common A more specific test is TPI or treponema Pallidum Immobilization test Or TPHA Treponema Pallidum Heam Agglutination test so I shall not make a final call on syphlis with RPR test only. I think, it could be due to allergy
DR SAATIISH JHUNTRRAA

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Above answer was peer-reviewed by : Dr. Veerisetty Shyamkumar