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Chapter: Psychiatric Mental Health Nursing : Schizophrenia

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Related Disorders - Schizophrenia

Other disorders are related to, but distinguished from, schizophrenia in terms of presenting symptoms and the duration or magnitude of impairment.

RELATED DISORDERS

 

Other disorders are related to, but distinguished from, schizophrenia in terms of presenting symptoms and the duration or magnitude of impairment. The DSM-IV-TR (APA, 2000) categorizes these disorders as follows:

 

·    Schizophreniform disorder: The client exhibits the symp-toms of schizophrenia but for less than the 6 months necessary to meet the diagnostic criteria for schizophre-nia. Social or occupational functioning may or may not be impaired.

 

·    Delusional disorder: The client has one or more nonbi-zarre delusions—that is, the focus of the delusion is be-lievable. Psychosocial functioning is not markedly impaired, and behavior is not obviously odd or bizarre.

 

·    Brief psychotic disorder: The client experiences the sud-den onset of at least one psychotic symptom, such as delusions, hallucinations, or disorganized speech or be-havior, which lasts from 1 day to 1 month. The episode may or may not have an identifiable stressor or may fol-low childbirth.

 

·    Shared psychotic disorder (folie à deux): Two people share a similar delusion. The person with this diagnosis develops this delusion in the context of a close relation-ship with someone who has psychotic delusions.

 

Two other diagnoses, schizoid personality disorder and schizotypal personality disorder, are not psychotic disor-ders and should not be confused with schizophrenia even though the names sound similar.

 

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