Trastorno de ansiedad por separación

anxiety disorders constitute the most common psychiatric diseases in children. these disorders predict an increase in the risk of later anxiety disorders, mayor depression and hospitalization for psychiatric pathology. the primary feature of separation anxiety disorder is developmentally inappropriate anxiety sufficient to cause clinically significant distress or impairment when faced with separation from home or major attachment figures. drugs that selectively inhibit serotonin reuptake, psychotherapy and parent education constitute effective treatments for children and adolescents with anxiety disorders. pediatricians and other health care professionals are in a unique positionto assist families in understanding the etiology, prevention and treatment of separation anxiety disorder. early identification in pediatric primary care and effective management may help improve outcome. the objective of our review is to analyze clinical and therapeutic aspects of the separation anxiety disorder and its differences with separation anxiety as an expression of the evolutionary emotional development in children.