Most of the people who has been applied the diagnostic labels of «anorexia nervosa» or «bulimia nervosa» receive pharmacological treatment. In this paper we review from a critical point of view the available research on the effectiveness of the different drugs prescribed for the treatment of the said «disorders» (appetite stimulants, antipsychotics, prokinetics and antidepressants), to conclude that the cognitive-behavioral therapy, not the intervention with medicines, is the most appropriate treatment for these behavioral problems.