Peer Health

Diagnostic Criteria

Official Diagnostic Criteria for Eating Disorders


  • Loss of 5-15% of normal body weight coupled with a refusal to maintain normal body weight
  • Extreme fear of gaining weight
  • Distorted body image (feeling fat even when very thin)
  • Absence of three or more consecutive menses/periods (amenorrhea)


  • Recurrent binge eating (rapid consumption of a large amount of food in a short period of time, usually less than two hours)
  • Feeling of lack of control during binges
  • Regular episodes of self-induced vomiting, use of diuretics or laxatives, strict dieting or fasting, or vigorous exercise
  • Minimum of two binges per week for at least three months
  • Persistent over-concern with weight