Medical Encyclopedia
Obsessive-compulsive disorder
Obsessive-compulsive disorder is an anxiety disorder characterized by an inability to resist or stop continuous, abnormal thoughts or fears combined with ritualistic, repetitive and involuntary defense behavior.
Update Date: 2/6/2008
Updated by: 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.
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