A member asked:

I got a syphilis blood test 4 weeks after sex expos( which was fingering and hand job) it was neg. is it accurate how long does syp show up after act?

3 doctors weighed in across 2 answers

It is accurate: The risk was low from the behavior described and the test should be accurate by 1-2 weeks at least.

Answered 12/3/2014

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Dr. Hunter Handsfield answered

Specializes in Infectious Disease

Little if any risk: T'here is little or no risk of syphilis by fingering or other hand-genital contact. In addition, absence of a syphilitic sore (chancre) in the next 2-3 weeks after exposure is strong evidence against syphilis. Negative blood test at 4 weeks is about 90% reliable; it takes 6 weeks for conclusive result.

Answered 11/27/2018

252 views

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