Bulimia Nervosa

Patient: Hi there may name is Victoria and i am a 20 yr old Female. I weigh 52.9lbs (24kgs) my height is 5 foot 2.i have suffered Bulimia for 3 years and i have been put on weigh gain pills but i still purge and i still have no weigh gain should i change my medication? what should i do?

Doctor: