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Psychiatrist.comPrevalence and Correlates of Obsessive-Compulsive Symptoms in Individuals with Schizophrenia, Schizoaffective Disorder, or Bipolar Disorder

In a study of more than 22,000 patients with schizophrenia, schizoaffective disorder, or bipolar disorder, 24% also had obsessive-compulsive symptoms; 12% had a diagnosis of OCD. Both co-morbidities were associated with higher rates of aggressive behavior, cognitive problems, and hallucinations or delusions.