OverviewObsessive-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 2/2/2016
Updated by: Fred K. Berger, MD, addiction and forensic psychiatrist, Scripps Memorial Hospital, La Jolla, CA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.