Reikon-
As I'm sure you know, all of us here can relate to what you're going through. You have to know that OCD is great at robbing us of our happiness and joys about life, but it doesn't have to be this way. OCD tries to protect us, and actually over protect us. OCD goes too far the opposite direction versus a normal person just thinking to themselves, "hey just be careful." No no no. Our OCD has to SCREAM it in our heads until we pay attention, which is what our sub-concious wants. Realize that these thoughts are in your mind to serve a puprose. We as humans put things into our sub-concious and don't pay attention to them. The sub-concious' way of getting to you to pay attention and realize something is bothering you is to flash all of these horrible images in your mind so you take notice.
Medications can help, but they're only as good as the therapy you're getting. I know you said you were seeing someone, but is this person a Cognitive Behavioral Therapist, because that's what you need. All a Psychiatrist will tell you is that you have repressed memories of sexual or physical abuse from when you were a kid, which in my mind is total BS.
Stick with your therapy, and try some different medications. Your Doctor will be able to help you and guide you through which medications might work wel for you, but make sure you keep in contact with your Doctor so you can keep him updated with your progress.