Obessive Compulsive Disorder, commonly known as OCD, is an anxiety disorder in which people are consumed by repetive, unwanted thoughts (obsessions) or actions (compulsive) that they feel unable to stop or control. This disorder can take many diffrent forms, but for most people the obsessions and/or compulsions are acompanied by feelings of anxiety or a strong dread that something terrible is going to happen. OCD is not always easily recognize. A number of issues can complicate the diagnostic process. For some, the symptoms of OCD may be "masked" or coverd up by the symptoms of another disorder.