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In the complex pathomechanism of eating disorders (especially that of bulimia nervosa and binge eating disorder) the traumatic experiences (sexual, physical, emotional abuse, neglect) often play an important role. The consequence of traumas can be the borderline personality disorder, or different disorders of the emotional regulation. These occur mainly in the multiimpulsive subtype of eating disorders with impulse control disorders. In relation to the trauma dissociative phenomena are frequent. In the diagnostics of eating disorders the history of traumatization is essential. Among the therapeutical possibilities the psychodynamic approach is important. Moreover, the newer methods based on cognitive behavioral therapy are effective, e.g., dialectic behavior therapy, integrative cognitive-analytic therapy, and other complex programs of trauma processing, such as the trauma-informed care.

The binge eating disorder is a relatively new type of eating disorders, which was first described in 1992, and became a distinct nosological entity in the system of DSM-5 in 2013. Its central symptom is the binge, which is not followed by compensatory behaviours as in bulimia nervosa. Therefore, the patients are generally obese. The prevalence of the disorder is 1-3% in the general population, but much higher in help-seeking obese subjects. The two main goals of the therapy is body weight reduction, and the cessation of binges. In the pharmacotherapy of binge eating disorder the antidepressants are recommended mainly in the case of unsuccessful psychotherapy, and in treating comorbid depression. In the field of psychotherapy data are available mainly on the effectiveness of cognitive behavioural therapy, dialectic behaviour therapy, behavioural weight loss, and interpersonal therapy. Effectivity studies on new therapeutic methods and treatment combinations are needed as well as long term follow-up studies.