Anyone on Social Security/disability? Anyone taking an anti-psychotic?

Hello everyone!
My doctor said that I should apply for disability for chronic depression. I'm almost at the point where I can't work, but I make pretty good money and I can survive for 7 or 8 months... but I'm worried about my boss finding out why I'm going on disability, and I don't want to explain to a future employer why I wasn't working... If anyone has any experience w/ this, could you please help me out? Anything would help. It's gotten to the point that I can barely go to school, and I had to drop a class today. I take an anti-psychotic medication in addition to paxil, and I am exhausted all the time, even when I first wake up. I'm also a lot dumber than I was before I started taking the anti-psychotic... I also take benzatropine to help w/ the side-effects of the anti-psychotic, but then the anti-psychotic doesn't really work when I take benzatropine... I would really appreciate any help! Sorry this was so long...
Helene