Obsessive-compulsive disorder (OCD) is a type of anxiety disorder. A person with an anxiety disorder worries excessively about the circumstances of his or her life over a long period of time. OCD is characterized by distressing thoughts that never...

Obssessive-Compulsive Disorder Mental illness characterized by the recurrence of intrusive, anxiety-producing thoughts (obsessions) accompanied by repeated attempts to suppress these thoughts through the performance of certain irrational, often...

Obsessive-compulsive disorder (OCD) is a type of anxiety disorder. People with anxiety disorders cannot stop worrying. In OCD, people have intense, repetitive thoughts, images, or impulses that are frightening, absurd, or unusual. These are called...

Obsessive Compulsive Disorder (OCD) is a neurological anxiety disorder characterized by powerful, unwanted obsessions (intrusive, recurrent thoughts which a person cannot control) and compulsions (repetitive behaviors or mental acts performed to...

(OCD) A neurotic disorder (see NEUROSIS) characterized by OBSESSION, often associated with compulsive ritual acts. Sufferers experience repeated thoughts which intrude on their consciousness unbidden. The thoughts are often unpleasant, and though...

Mental disorder in which an individual experiences obsessions or compulsions, either singly or together. An obsession is a persistent disturbing preoccupation with an unreasonable idea or feeling (such as of being contaminated through shaking hands...

Obsessive-compulsive disorder (OCD) is a psychiatric anxiety disorder most commonly characterized by a subject's obsessive, distressing, intrusive thoughts and related compulsions (tasks or "rituals") which attempt to neutralize the obsessions. The...