1. Generalized anxiety disorder  (Trust Mark: Doctor-Reviewed)
Generalized anxiety disorder (GAD) is a pattern of frequent, constant worry and anxiety over many different activities and events.• Reviewer: Christos Ballas, MD, Attending Psychiatrist, Hospital of the University of Pennsylvania, Philadelphia, PA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

2. Separation anxiety  (Trust Mark: Doctor-Reviewed)
Separation anxiety is a developmental stage during which the child experiences anxiety when separated from the primary caregiver (usually the mother.• Reviewer: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.