Obsessive-compulsive disorder

DDx

Schizophrenia
Other anxiety disorder, eg, generalized anxiety disorder, post-traumatic stress disorder (PTSD)
Somatoform disorder (eg, somatization)
Major depressive disorder
Obsessive-compulsive personality disorder (preoccupation with orderliness and perfectionism but without true obsessions or compulsions)
Tic disorder, eg, Tourette’s syndrome

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