have you talked to anyone about this face to face? you need to get this under controle a.s.a.p.......u are seriously hurting ur body!!! please go see ur g.p and get da tretment u need..there are lots of people in your shoes u should try finding a local support group where you can meet people who know what ur going through!
This disorder is doing you no favours when it comes to weight loss, your body if anything will store more fat than a person who eats healty as it tryn to store as much energy (fat) as possible before you make yourself sick again...
please let me no how you get on and dont be ashamed to talk about this to your g.p,their there to help..not judge