STD blood tests: The main blood tests after risky sexual exposure are only for syphilis and HIV, and those are conclusive any time 6 weeks or more after exposure. Herpes is very unlikely if you didn't develop symptoms of new herpes (utually genital or oral blisters or open sores) in the next 2 weesk, blood test probably was unnecessary. If done, 90 days is pretty good, but can take up to 4 months to turn positive.
Answered 1/27/2021
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A doctor has provided 1 answer
3 doctors weighed in across 2 answers
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