Common differential diagnoses for bulimia nervosa or binge eating disorder
| Medical | Obesity, insulinoma, hypothalamic tumours, gastric outlet obstruction, hyperemesis gravidum, Prader-Willi syndrome, Kleine-Levin syndrome, Kluver-Bucy syndrome |
| Psychiatric | Anorexia nervosa, obsessive compulsive disorder, depression, body dysmorphic disorder |