- Recurrent episodes of binge eating. An episode of binge eating is characterized by both of the following:
- 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.
- 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).
- Recurrent inappropriate compensatory behavior in order to prevent weight gain, such as self-induced vomiting, misuse of laxatives, diuretics, or other medications, fasting, or excessive exercise.
- The binge eating and inappropriate compensatory behaviors both occur, on average, at least once a week for three months.
- Self-evaluation is unduly influenced by body shape and weight.
- The disturbance does not occur exclusively during episodes of anorexia nervosa.
Other Signs and Symptoms:
- Shows unusual swelling of the cheeks or jaw area
- Has calluses on the back of the hands and knuckles from self- induced vomiting
- Teeth are discolored, stained
- Creates lifestyle schedules or rituals to make time for binge-and-purge sessions
- Frequently diets
- Shows extreme concern with body weight and shape
Co-occurring conditions are common, such as:
- Self-injury (cutting and other forms of self-harm without suicidal intention)
- Substance abuse
- Impulsivity (risky sexual behaviors, shoplifting, etc.)
- Diabulimia (intentional misuse of insulin for type 1 diabetes)
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