Welcome to Psych Central, agrin. I can't be of help with regard to your concerns. (Hopefully there will yet be other PC members who will have some experiences they can share.)

In the meantime, here's a link to an article, from Psych Central's archives, on the subject of eating disorders. Perhaps there will be information in the article that can be of some help:

Eating Disorders: Symptoms, Types & Treatments | Psych Central