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Table 1 Current (DSM-IV) and proposed (DSM-5) criteria for bulimic-type eating disorders: Bulimia Nervosa, binge eating disorder and eating disorders not otherwise specified (DSM-IV)/feeding or eating disorder not elsewhere classified (DSM-5)

From: Classification of bulimic-type eating disorders: from DSM-IV to DSM-5

Current (DSM-IV) and proposed (DSM-5) diagnostic criteria for Bulimia Nervosa
Current (DSM-IV) Proposed (DSM-5)
A. Recurrent episodes of binge eating. An episode of binge eating is characterized by both of the following: A. Recurrent episodes of binge eating. An episode of binge eating is characterized by both of the following:
(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 of time and under similar circumstances (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 of time under similar circumstances
(2) A sense of lack of control over eating during the episode (e.g., a feeling that one cannot stop eating or control what or how much one is eating) (2) A sense of lack of control over eating during the episode (e.g., a feeling that one cannot stop eating or control what or how much one is eating)
B. Recurrent inappropriate compensatory behavior in order to prevent weight gain, such as self-induced vomiting; misuse of laxatives, diuretics, enemas, or other medications; fasting; or excessive exercise. B. Recurrent inappropriate compensatory behaviors in order to prevent weight gain, such as self-induced vomiting; misuse of laxatives, diuretics, or other medications, fasting; or excessive exercise.
C. The binge eating and inappropriate compensatory behaviors both occur, on average, at least twice a week for 3 months. C. The binge eating and inappropriate compensatory behaviors both occur, on average, at least once per week for 3 months.
D. Self-evaluation is unduly influenced by body shape and weight. D. Self-evaluation is unduly influenced by body shape and weight.
E. The disturbance does not occur exclusively during episodes of Anorexia Nervosa. E. The disturbance does not occur exclusively during episodes of Anorexia Nervosa.
Specify type:  
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 behaviors, such as fasting or excessive exercise, but has not regularly engaged in self-induced vomiting or the misuse of laxatives, diuretics, or enemas  
Current (DSM-IV) and proposed (DSM-5) diagnostic criteria for binge eating disorder
Current (DSM-IV) Proposed (DSM-5)
A. Recurrent episodes of binge eating. An episode of binge eating is characterized by both of the following: A. Recurrent episodes of binge eating. An episode of binge eating is characterized by both of the following:
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 in a similar period of time under similar circumstances 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 in a similar period of time under similar circumstances
2. A sense of lack of control over eating during the episode (for example, a feeling that one cannot stop eating or control what or how much one is eating) 2. A sense of lack of control over eating during the episode (for example, a feeling that one cannot stop eating or control what or how much one is eating)
B. The binge-eating episodes are associated with three (or more) of the following: B. The binge-eating episodes are associated with 3 (or more) of the following:
1. Eating much more rapidly than normal 1. Eating much more rapidly than normal
2. Eating until feeling uncomfortably full 2. Eating until feeling uncomfortably full
3. Eating large amounts of food when not feeling physically hungry 3. Eating large amounts of food when not feeling physically hungry
4. Eating alone because of feeling embarrassed by how much one is eating 4. Eating alone because of feeling embarrassed by how much one is eating
5. Feeling disgusted with oneself, depressed, or very guilty after overeating 5. Feeling disgusted with oneself, depressed, or very guilty after overeating
C. Marked distress regarding binge eating is present. C. Marked distress regarding binge eating is present.
D. The binge eating occurs, on average, at least 2 days a week for 6 months. D. The binge eating occurs, on average, at least once a week for 3 months.
E. The binge eating is not associated with the regular use of inappropriate compensatory behaviors (e.g., purging, fasting, excessive exercise) and does not occur exclusively during the course of Anorexia Nervosa or Bulimia Nervosa. E. The binge eating is not associated with the recurrent use of inappropriate compensatory behavior and does not occur exclusively during the course Bulimia Nervosa or Anorexia Nervosa.
Exemplars of the DSM-IV eating disorders not otherwise specified and DSM-5 feeding or eating disorder not elsewhere classified categories i
DSM-IV: Eating Disorders Not Otherwise Specified DSM-5: Feeding or Eating Disorder Not Elsewhere Classified
The Eating Disorder Not Otherwise Specified category is for disorders of eating that do not meet the criteria for any specific Eating Disorder. 1. Atypical, mixed, or below-threshold presentations:
Subthreshold Bulimia Nervosa (low frequency or limited duration)
Examples include:
3. All of the criteria for Bulimia Nervosa are met except that the binge eating and inappropriate compensatory mechanisms occur at a frequency of less than twice a week or for a duration of less than 3 months. All of the criteria for Bulimia Nervosa are met, except that the binge eating and inappropriate compensatory behaviors occur, on average, less than once a week and/or for less than for fewer than for 3 months.
4. The regular use of inappropriate compensatory behavior by an individual of normal body weight after eating small amounts of food (e.g., self-induced vomiting after the consumption of two cookies). Subthreshold Binge Eating Disorder (low frequency or limited duration)
All of the criteria for Binge Eating Disorder are met, except that the binge eating occurs, on average, less than once a week and/or for fewer than for 3 months.
5. Repeatedly chewing and spitting out, but not swallowing, large amounts of food. 2. Other specific syndromes not listed in DSM-5:
6. Binge-eating disorder: recurrent episodes of binge eating in the absence of the regular use of inappropriate compensatory behaviors (see Appendix B in DSM-IV-TR for suggested research criteria). Purging Disorder
Recurrent purging behavior to influence weight or shape, such as self-induced vomiting, misuse of laxatives, diuretics, or other medications, in the absence of binge eating.
Night Eating Syndrome
  Recurrent episodes of night eating, as manifested by eating after awakening from sleep or excessive food consumption after the evening meal. There is awareness and recall of the eating. The night eating is not better accounted for by external influences such as changes in the individual’s sleep/wake cycle or by local social norms. The night eating is associated with significant distress and/or impairment in functioning. The disordered pattern of eating is not better accounted for by Binge Eating Disorder, another psychiatric disorder, substance abuse or dependence, a general medical disorder, or an effect of medication.
3. Insufficient information:
Other Feeding or Eating Condition Not Elsewhere Classified
  This is a residual category for clinically significant problems meeting the definition of a Feeding or Eating Disorder but not satisfying the criteria for any other Disorder or Condition.
  1. iNote. Only exemplars of the respective categories relating to bulimic-type eating disorders are shown.