Tell me something?Please

listen im really scared this girl gave me a little bit of oral sex and some kissing she says she does not have anything but she has had sex 3 times befroe i only had that because i thought it wd be good but it wasnt because i didnt hv any fellings for her really and i did not have a full erection but did eject a little and i push i think most of that out befre she gave me oral sex i do not know whither i hv sympotms at all.She  did not put her moth near my genitals or testcalls but she did touch tem before the oral.She did not seem to hv and blisters or such on her lips or anything much on her face if anything.And when the oral was taking place she put it down her moth just a little bit but may hv licke the lowre top of my penis not my genitals though.Please tell me if i cd hv goteen gential (genital) herpies (herpes) or something thourgh this.If so please tell me wht i should expect and what i wd need  if symptoms should arise and wht thosese symptoms might be and how to test for such a disese (disease) from a doctor or is there a store test please i need a doctors help.