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Syphilis test accuracy

Hi there everyone. About a year ago I had unprotected sex with someone I really don’t know about her status. I tested for syphilis using rpr exactly 82 days after exposure. About a week ago I saw a sore in my genital organ. I have a question now: was my test accurate after 82 days of exposure? Or should I test again because this sore?
Thanks!
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207091 tn?1337709493
COMMUNITY LEADER
Yes, it's accurate, and you should get the sore checked out. Any time you get a sore on your genitals, it warrants a trip to the doctors.

The timeline for a syphilis sore, called a chancre, doesn't fit from the encounter you had a year ago, but if you've had any other encounters since, you may need a test. It could be something other than syphilis that needs treatment - herpes, a fungal infection, an infected hair follicle - it's a long and varied list of possibilities, but you should get it checked.
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Thanks for responding!
No that was my only suspicious encounter. I tested full std panel 1 year ago after 82 days (including rpr and hiv) and repeated hiv ab test 6 months after exposure and it was negative .
So after all, do you think that 82 days test conclusive for syphilis?
Yes, it's accurate. Most people will test positive by 6 weeks, and while some say wait 90 days, 8 days won't make a difference.

You didn't have any symptoms, either, so the 82 days is conclusive.

Your HIV test was conclusive at 82 days, too, and you didn't need the 6 month test.

Whatever you have on your penis now needs to be checked out, but it's not syphilis from that encounter.
Thanks for the tips!
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