I'm feeling out of control- help please?

for the past couple of months or so, I have been feeling really wierd. I'm so tired all day, and i can't seem to get anything accomplished anymore. All I want to do is stay home and watch tv or sleep. I can't meet any of my deadlines, and my schoolwork is starting to suffer. Also, I've been having an eating problem. I start the day with a normal-sized breakfast, then for some reason around lunchtime, no matter how bad i feel from the other day's binge, I start eating everything I can get my hands on. I really doubt it's poor self control, because it does NOT feel good! I eat to the point where my stomach hurts and I feel like I'm going to throw up, but I don't because I really don't want to go down that road:( I'm starting to gain weight, but I feel like I'm completely powerless to do anything about this! I feel like I've hit rock bottom and I'm really worried that this isn't going to get better. Anything you can say to make me feel a little better would be so appreciated! this doesn't really feel like a qestion for friends and family because i'd probably make them really uncomfortable