I gave oral sex without a condom to a guy who then told me he is HIV+. He has been on medication for 5 years he said and his ex did not catch the virus despite having unprotected sex with him. He did not ejaculate during our oral sex session. Yet I am worried because I bite my cheeks when I am stressed and I do have some ulcers from that, although not bleeding. Only one clinic here offers PEP but they are closed and the earliest I can get PEP from them will be about 70 hours after the oral sex. I used Listerine about 15 minutes after the oral sex. Am I at risk? I am panicking right now.. not sure what to do.