5.11 Eating and Feeding Disorders
Psychiatry Review for the USMLE Step 1 Exam
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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.
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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.
