A member asked:

Hi,my vdrl non reactive but my tpha is reactive.what does it means.how can will be non reactive i was already treated by doxycline 2x a day for10 day?

A doctor has provided 1 answer

TPHA indicates old: infection. TPHA may remain positive for the rest of your life. It indicates that you had syphilis at one time. A negative VDRL indicates that you were treated successfully.

Answered 6/28/2014

3.9k views

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