Poor thing! Sounds so horrible - I have to be quick b/c I have to get outside before it gets dark, but wanted to give you a couple of thoughts that I've gone over with my therapist. He's said (and books have agreed) that worrying about having another obsessive though will actually make things worse! You essentially have to, no matter how anxious it makes you feel, let the thoughts come in. Trying to suppress them actually can fuel the fire. He gave me this poem that is worth contemplating. I actually really like it, esp the first stanza - the thoughts are there, they are going to come up, and the best we can do is to just let them be.
The Guest House
This being human is a guest house.
Every morning a new arrival.
A joy, a depression, a meanness,
some momentary awareness comes
as an unexpected visitor.
Welcome and entertain them all!
Even if they're a crowd of sorrows,
who violently sweep your house
empty of its furniture,
still, treat each guest honorably.
He may be clearing you out
for some new delight.
The dark thought, the shame, the malice,
meet them at the door laughing,
and invite them in.
Be grateful for whoever comes,
because each has been sent
as a guide from beyond.
~ Rumi ~
(The Essential Rumi, versions by Coleman Barks)