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Your syphilis RPR test came back negative. No syphilis infection is detected.
Your RPR test found no evidence of syphilis infection. This is a screening test that is non-reactive, meaning no syphilis antibodies were found.
Reassuring result. Continue regular STI testing if at risk.
Syphilis RPR: Non-reactive — negativeYour syphilis screening test is negative. No reactive antibodies to syphilis-related antigens were found.
No action needed for syphilis.
Syphilis RPR: Non-reactiveThe RPR screening test found no evidence of syphilis. However, very recent infections (within 1–4 weeks) may not yet show up.
If very recent exposure is suspected, repeat testing in 6 weeks.
Syphilis RPR: Non-reactive (low probability)Your syphilis RPR test came back negative. No syphilis infection is detected.
No treatment needed.
Syphilis RPR: Non-reactiveNo syphilis antibodies detected. This is the best possible result.
Continue regular sexual health screening.
Syphilis RPR: Non-reactiveA low titer RPR result (1:1) can be a false positive or an early/treated syphilis infection. The RPR has a known false positive rate and always requires a confirmatory treponemal test (FTA-ABS or TP-PA).
A confirmatory treponemal test is needed to determine if this is a true positive. See your doctor.
Syphilis RPR: 1:1 titer — possible low-level reactivityYour RPR test is reactive at a significant titer, confirmed with a treponemal test. You have active syphilis. Syphilis is highly curable with penicillin, but untreated it progresses through stages causing heart, brain, and nervous system damage.
See your doctor or sexual health clinic immediately for penicillin treatment. Notify all sexual partners from the last 3–12 months depending on stage.
Syphilis RPR: {{value}} titer — reactive, treatment neededA high RPR titer indicates active, potentially advanced syphilis. Late stage syphilis can cause heart disease, blindness, deafness, meningitis, and noticeable neurological damage if left untreated.
Urgent treatment is required immediately. Seek a sexual health clinic today. If you have any neurological symptoms (headache, vision changes, confusion), go to the emergency room.
Syphilis RPR: High titer — advanced/symptomatic syphilisUpload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.