A 39-year-old male asked:
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scared of std. had sex nov 22. sore throat but all tests negative. just noticed painless mark on roof of mouth. hot food burn or std?

1 doctor answer
Dr. Robert Killian
27 years experience General Practice
STDs: If all of the tests are negative then you really do not need to be so concerned. A painless mark, is a bit ambiguous. Can you use a more descriptive word? I do not know of any std that would cause a painless lesion in the mouth. Some may wonder about herpes, but herpes is very painful and is a cluster of blisters. Syphilis can be a single lesion but it is very alarming looking.
Answered on Apr 6, 2015
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