Schizophreniform disorder

What is schizophreniform disorder?

Schizophreniform disorder is a part of the schizophrenia spectrum of disorders and has sometimes been used as a provisional diagnosis while waiting to see if symptoms improve by six months or progress, resulting in a diagnosis of schizophrenia. DSM-5 requires at least one of the following symptoms is present for a significant portion of the time during a one-month period, but for less than six months: delusions, hallucinations or disorganised speech. Disorganised behaviour (e.g. catatonia) or negative symptoms (e.g. social withdrawal) may also be present. There can be no manic, depressive or mixed manic-depressive episodes, and any mood disturbance must have been present for  minority of the time. The symptoms cannot be due to the effects of a substance or due to a medical or neurological disorder.

What is the evidence for schizophreniform disorder?

Moderate to high quality evidence suggests around 29% of people with a first-episode of psychosis retain a diagnosis of schizophreniform disorder over time.

January 2019

Last updated at: 9:18 pm, 18th March 2019
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