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Purging disorder is an eating disorder characterized by recurrent purging (self-induced vomiting, and abuse of laxatives, diuretics, or enemas) to control weight or shape in the absence of binge eating episodes that occurs in people with normal or near-normal weight. Purging disorder differs from anorexia nervosa (AN) because individuals with purging disorder are not underweight, and purging disorder differs from bulimia nervosa (BN) because individuals with purging disorder do not consume a large amount of food before they purge. In current diagnostic systems, purging disorder is a form of Eating disorder not otherwise specified (EDNOS). Research indicates that purging disorder may be as common as bulimia nervosa or anorexia nervosa in women, that the syndrome is associated with clinically significant levels of distress, and that it appears to be distinct from bulimia nervosa on measures of hunger and ability to control food intake.