Bulimia Diagnostic Criteria from DSM IV.

Bulimia Nervosa

  • Recurrent episodes of binge eating characterized by both
  1. Eating, in a discrete period of time (e.g., within any 2-hour period), an amount of food that is definitely larger than most people would eat during a similar period oftime and under similar circumstances. 
  2. A sense of lack of control over eating during the episode, (such as a feeling that one cannot stop eating or control what or how much one is eating).
  • Recurrent inappropriate compensatory behavior to prevent weight gain, such as selfinduced vomiting, misuse of laxatives, diuretics, enemas, or other medications, fasting, or excessive exercise.
  • The binge eating and inappropriate compensatory behavior both occur, on average, at least twice a week for 3 months.
  • Self evaluation is unduly influenced by body shape and weight.
  • The disturbance does not occur exclusively during episodes of Anorexia Nervosa.


  • Purging Type: During the current episode of Bulimia Nervosa, the person has regularly engaged in self-induced vomiting or the misuse of laxatives, diuretics, or enemas.
  • Nonpurging Type: During the current episode of Bulimia Nervosa, the person has used other inappropriate compensatory behavior but has not regularly engaged in selfinduced vomiting or misused laxatives, diuretics, or enemas.

(Source: Eating Disorder Diagnostic Criteria from DSM-IV)

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