A member asked:

Test for syphilis - what do rpr reac and vdrl reac mean?

5 doctors weighed in across 2 answers

Screening tests.: Vdrl (venerial disease research laboratory) tests against anti-cardiolipin antibodies and RPR (papid plasma reagin) tests against nonspecific antibodies suggestive of syphilis and are screening tests. Treponemal antibody tests, like fta-abs and mha-tp usually become positive two to five weeks after the initial infection. These are used to confirm syphilis and stay positive, even after therapy.

Answered 1/12/2015

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Positive tests: You may want to follow them up with more specific tests, or your physician may simply treat depending on history.

Answered 9/20/2014

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