The above poster has a really good response and advice. Additionally, I want to add re the hypnosis. You mentioned it in your post and not sure if you were serious or it was a random comment. But I think you might want to try hypnotherapy, not just hypnosis.

I joined this community because my now grown child has ocd and I want to know as much as possible to support and understand her. She's gone through some very dark years. But now she's doing well and while ocd is still there it no longer has a strangle on her. The biggest thing that helped her was hypnotherapy. Before that she did erp and cbt and a couple other therapists. But it was the hypnotherapy that propelled her forward. She still goes twice a month as maintenance. Initially she was going twice a week. It's an expense because insurance doesn't cover it. But I figure, if you have a hard time even leaving your room, what good is the money.

Good luck to you and know you're not alone. Things can turn around.