5.11 Eating and Feeding Disorders Psychiatry Review for the USMLE Step 1 Exam Eating Disorders: Main disorders: bulimia nervosa, anorexia nervosa, and binge eating disorder. Bulimia and anorexia share anxiety and compensatory behaviors. Anorexia: low body weight, fear of gaining weight, treatment involves slow refeeding. Bulimia: normal weight, signs of forced vomiting, treated with CBT and SSRIs. Binge Eating Disorder: uncontrollable eating, negative emotions, SSRIs and CBT for treatment. Feeding Disorders: Occur in children, not related to body image. Common disorders: avoidant/restrictive food intake disorder, rumination disorder, and pica. Avoidant/Restrictive Food Intake Disorder: avoidance or restriction of food intake. Pica: eating non-nutritious substances, common in young children. Rumination Disorder: regurgitation without associated symptoms.