A member asked:

Is rpr test at 8 week (56th day) show negative result. is it conclusive?

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

Specializes in Infectious Disease

Yes, conclusive.

Answered 3/30/2023

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Dr. Jay Park answered

Scientific fact: Only 80% of exposed or infected individuals test positive to RPR at 8 weeks; By 16 wks, 90+% tests positive to RPR test, however, 95+% patients tests positive to TPHA (treponema pallidum hemagglutination test). Negative combination tests, RPR plus TPHA, at 16 weeks will be more convincing.

Answered 3/31/2023

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