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Doctor insights on: How Long Does It Take For Syphilis To Be Detectable In A Blood Test

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How long does it take for syphilis to be detectable in a blood test?

How long does it take for syphilis to be detectable in a blood test?

Weeks to months: Testing for syphillis relies on both non-specific tests that can be falsley +or - and more specific germ tests as backup. A + or rising level of a screening test is confirmed by a germ test. The most specific test is finding the germ in material from a lesion. Since transmission ~30% per contact with an infected source, a single dose of penicillin is often given as early as exposure is suspected. ...Read more

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Dr. H. Hunter Handsfield
508 doctors shared insights

Syphilis (Definition)

Syphilis is a sexually transmitted disease involving a ...Read more


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How much time does it take for syphilis to show up in a blood test?

How much time does it take for syphilis to show up in a blood test?

Syphilis: Signs/symptoms of Syphilis may occur anytime from 3-90 days after exposure, though usually around 3 weeks. The blood test will likely be positive in this time frame. Many people are infected, however, and have no symptoms at all. ...Read more

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I think that I might have syphilis. Where is a blood test taken?

I think that I might have syphilis. Where is a blood test taken?

Your doctor: Your doctor can order a blood test and most hospital labs are capable for performing the test. A community health clinic may offer the service. ...Read more

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What is a tpha quantitative blood test? Can this test detect latent stage syphilis?

What is a tpha quantitative blood test? Can this test detect latent stage syphilis?

Yes it can: The TPHA test (Treponema pallidum hemagglutination) is a confirmatory test for syphilis. Usually it is done only after a positive screening test, such as the VDRL, RPR, or an EIA test. If you have had negative results on one of these plus the TPHA, you can be 100% certain you don't have syphilis and probably never did. ...Read more

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Does herpes br mistaken for syphilis in a blood test?

Does herpes br mistaken for syphilis in a blood test?

No: The tests for herpes simplex virus (herpes) and t. Pallidum (syphilis) are completely different and cannot be confused or mistaken for one another in a blood test. ...Read more

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Can RPR blood test be able to detect if you have syphilis years ago?

Depends: Rpr tends to decrease in value following successful treatment of syphilis, though it can remain positive for a long time. An other test, specific for treponemal antibodies, generally stays positive. ...Read more

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When you have a syphilis lesion would the blood test be able To detect syphilis in blood by then?

No: Primary syphilis is a painless ulcer on the genitals. Generally available tests do not become positive for two to six weeks. Experienced physicians can diagnose clinically and treat. ...Read more