OCD is a distonic condition. So if you have homosexual thoughts and they do not cause you pleasure, but instead of that they are annoying, it is pretty much an ocd symptom. They can just be temporal, in my case, many different obsessive thoughts have passed by during time. I personally do not think you are gay.
cheers
art
I also am in dead fear of HIV, i thought i got poked at a club and was stuck on that for months