Bulimia nervosa * Gender==== more common in females * Age=======adolescence * Comorbidity=== depression and social phobia * Duration====3 months * Criteria= * Binge eating at least once a week for 3 months * Uses laxatives, diuretics, self-induced vomiting * Association= * Impulsive behaviors * increased interest in sex * They may be of normal weight * Less secretive * Mood disorders * Complication * Electrolyte abnormalities * Hypokalemia * Hypochloremia alkalosis * Russel's sign==== as these patients uses their fingers to be stick out in the throat and vomit, there is a lesion in meta carpo phalangeal joints. * Drugs * Carbamazepine * MAOI * SSRI Ref. kaplon and sadock, synopsis of psychiatry, 11 th edition, pg no 509