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Wichita, KS
A 55-year-old male asked:

Does a fta-abs syphillis test stay positive for life?what other test are considered treponemal test if not how long do they take to turn negative. i know rpr can eventually turn negative nonreactive . what do they mean by treponemal cascading test

1 doctor answer1 doctor weighed in
Dr. Ralph Boling
Obstetrics and Gynecology 41 years experience
Usually: may be positive for life, with lower levels (FTA). Cascading refers to further testing based an initial screen (RPR) positive result.
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Last updated Nov 8, 2019

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