Is it hocd or not !

I lost all my sexual and emotional attraction towards women! If I see a romantic stuff my mind starts imagine with men I feel disguisted! I got hocd 2 months ago ! Since hocd got me I feel same sex attraction I never feel like this before I have a girlfriend and because of hocd I lost all attraction towards her ! And feel like I want a man have a sex with men I feel anxious all day I can't even sleep because of this every guy I see feel attraction towards him ?? Is it hocd ?? I am 18 !! Feel like I started gaining attraction towards men please help