Anorexia Nervosa vs Bulimia Nervosa
Anorexia Nervosa and Bulimia Nervosa are easy to mix up on the boards. Here's a side-by-side comparison — presentation, workup, imaging, and first-line treatment — drawn from our full outlines.
Anorexia Nervosa vs Bulimia Nervosa at a glance
- Anorexia Nervosa: Restriction of intake leading to significantly low body weight, intense fear of weight gain, and disturbed body image.
- Bulimia Nervosa: Recurrent binge eating with inappropriate compensatory behaviors; normal or above-normal weight.
Keep comparing — start your free trial
You've used your 2 free previews. Create your free account to see the full Anorexia Nervosa vs Bulimia Nervosa comparison — plus all 514 diagnosis outlines, 5,500+ board-style questions, and an AI tutor. Your 7-day free trial includes everything, no credit card required.
Side-by-side comparison
| Feature | Anorexia Nervosa | Bulimia Nervosa |
|---|---|---|
| At a glance | Restriction of intake leading to significantly low body weight, intense fear of weight gain, and disturbed body image. | Recurrent binge eating with inappropriate compensatory behaviors; normal or above-normal weight. |
| Classic presentation | Severe dietary restriction; rule-driven eating; excessive exercise; calorie counting; body checking; Subtypes: restricting type vs binge-eating/purging type;… | Binge: eating an objectively large amount of food in <2 hours with sense of loss of control; Compensatory behaviors: self-induced vomiting (most common),… |
| Workup / key labs | DSM-5-TR: (A) Restriction of energy intake relative to requirements leading to significantly low body weight in context of age/sex/developmental… | DSM-5-TR: (A) Recurrent binge eating — large amount + loss of control; (B) Recurrent inappropriate compensatory behaviors; (C) Both occur on average >=1/week… |
| Imaging | DEXA for bone density; ECG essential prior to refeeding | Not routinely indicated; CXR if subcutaneous emphysema or chest pain (Boerhaave) |
| First-line treatment | Multidisciplinary team — primary care, mental health, dietitian, family; Family-based treatment (Maudsley) — first-line for adolescents; Cognitive behavioral… | Cognitive behavioral therapy for eating disorders (CBT-ED) — strongest evidence base; Interpersonal therapy (IPT) — alternative; Family-based treatment for… |
Drill Anorexia Nervosa vs Bulimia Nervosa questions on FirstPassPA
Turn this comparison into retention. 5,500+ board-style questions with an AI tutor that explains every answer — free to start, no card required.
Start studying free → Try today's free questionEducational use only. This outline is a study aid for PA students and is not medical advice or a substitute for clinical judgment. FirstPassPA is an independent study tool and is not affiliated with, endorsed by, or sponsored by NCCPA. PANCE® and PANRE® are registered trademarks of the National Commission on Certification of Physician Assistants.