met and was on antibiotics so my tongue was raw from thrush."
I'm sorry but please next time don't do that to somebody that is just really not so cool - you're worried about possibility of HCV what do you think that poor person is thinking?
There is a test your Doctor can run for Herpes if you want to check for it.
There is no risk from kissing for HIV or Hepatitis C ,even with thrush or tongue problems. They are both bloodborne diseases. The blood of an HIV or HepC positive person has to enter your bloodstream. Your ok about those two. Herpes I don't know..He'd have to have it first of all anyway.