A member asked:

I asked earlier about window period for syphilis. i said i was tested 2 months after last contact, but it was actually 2.5 months. it was negative. ?

A doctor has provided 1 answer

Dr. J. Lawrence Dohan answered

2 weeks: Blood test for syphilis becomes positive 2 to 4 weeks after infection is acquired. Neg. at 2 months=no syphilis. Were you exposed to syphilis? To other STD? Risky behavior?

Answered 7/31/2015

2.5k views

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A member asked:

I asked earlier about window period for syphilis. i said i was tested 2 months after last contact, but it was actually 2.5 months. it was negative. ?

A doctor has provided 1 answer

Dr. J. Lawrence Dohan answered

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