Even after syphilis is cured, nontreponemal antibodies may persist for a lifetime, but once the disease is no longer active, specific treponemal antibody titers decrease to undetectable levels.

Question

Quizplus · Accepted Answer

While nontreponemal antibodies may decrease to low or undetectable levels after successful treatment of syphilis, specific treponemal antibodies usually remain detectable for life, indicating a past infection but not necessarily active disease.

Even After Syphilis Is Cured, Nontreponemal Antibodies May Persist for a Lifetime