Generalized Anxiety Disorder in Adults

Generalized anxiety disorder (GAD) is one of the most common psychiatric disorders encountered in the primary care setting. Lifetime prevalence of GAD is approximately 5% in the U.S. adult population [1,2]; prevalence in the primary care setting has been estimated at 8% [3,4]. GAD usually has a chronic course that is associated with significant psychosocial impairment, disability, decreased quality of life, and increased use of health care resources [5–8]. In spite of the high prevalence of GAD, it is frequently overlooked and undertreated. Only 30% of GAD patients who present to primary care are diagnosed [7]. Increasing the awareness of GAD among patients and physicians may lead to improved recognition and appropriate intervention, thereby reducing disability and improving quality of life.