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DSM-IV Diagnostic Criteria
Schizoaffective disorder is an illness which meets the criteria for schizophrenia and concurrently meets the criteria for a major depressive episode, manic episode, or mixed episode schizoafective
The illness must also be associated with delusions or hallucinations for two weeks, without significant mood symptoms.
A general medical condition or substance use is not the cause of symptoms.
Symptoms of schizophrenia are present, but also associated with recurrent or chronic mood disturbances.
Psychotic symptoms and mood symptoms occur independently or together.
If manic or mixed symptoms occur, they must be present for one week and major depressive symptoms must be present for two weeks.
Epidemiology
The lifetime prevalence is under one percent.
First degree biological relatives of have an increased risk of schizophrenia as well as mood disorders.
Classification
Bipolar Type. Diagnosed when a manic.
Treatment