Bulimia nervosa (BN) is binge-eating with aggressive measures to prevent weight gain, including self-included vomiting or use of laxatives or other medications.There may be periods of fasting between the binges.The prevalence reported in the DSM-IV is in the range of 1-3 percent.
The etiology is unclear and appears to be most related to personality and family characteristics.It seems to be a coping strategy for many patients.Most patient can be successfully treated as out-patient and many seek help for the condition.The approach to treatment is to establish a regular eating pattern and cognitive behavioral therapy is employed help patients modify their habits.
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