Okay!! I have only had sex with one person, and I left him alone for a year then we started back talking. SN:I HAVE NEVER HAD ANY PROBLEMS B4 THIS.. So we had sex and like a couple wks later I just knew something was going wrong or whatever. I went to the doctor & the test results said bacteria vaginosis & a yeast infection.. B4 I knew this, the doctor had already gave me antiobiotics to treat BV and I was taking them!! But this is b4 we knew I had it.. My question is: If me and my guy friend had unprotected sex will the yeast infection or BV infect him bc I was on the antibiotics but the Dr just gave them to me for the excess drainage from my (You Know)!!!