Exercise is great, go and do that. If it doesn't work, at least you'll put on some muscle when you do get out of it.
I am definitely against any sort of drugs, and I dont think labeling things is particularly helpful, but my suggestion is to get over it. Recognise you can take a beating and survive.
The best advice I can give: change. Change something. Change jobs, hobbies, places. Go looking for new things to excite you again. I'm about to take my own advice and go on a cycle tour - I'm starting with Holland, then may try the west coast of the US. (It took me a year and a half to get to the point where I even bothered setting goals like that, but it's something good to try and do)