What should i do for a friend of mine who may have bulimia or another eating disorder?

Talk about it: If it is a good friend, bring it up, express concern for her and her health, and offer s upport. . Recomend she get some mental health counseling to help her understand her eating patterns, and suggest she bring it up with her doctor. Offer to accompany her to her appointment for support. Depending on how severe her disease she may need an inpatient treatment program.