Obsessive Compulsive Disorder (OCD) is a mental disorder characterized by repetitive thoughts and behavior. In OCD, distressing ideas, images, or impulses enter a person’s mind repeatedly and against their will, causing anxiety and distress. A person with OCD may be unable to resist engaging in compulsive acts or behaviours that are not enjoyable that are repeated over and over.
These obsessions or compulsions occur frequently enough to become a problem in the person’s life, especially if they are acted upon. OCD usually comes on in childhood or adolescence, and continues throughout a lifetime.
The mental health diagnostic manual (DSM V) describes OCD based on the following criteria: