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Brief Psychotic Disorder

ByMatcheri S. Keshavan, MD, Harvard Medical School
Reviewed/Revised Modified Jul 2025
v41277482
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The symptoms of brief psychotic disorder resemble the delusions, hallucinations, or other psychotic symptoms of schizophrenia, but they last for a much shorter time (from 1 day to 1 month).

 

People with brief psychotic disorder have at least 1 of the following symptoms:

  • Delusions (false beliefs that people maintain against strong evidence)

  • Hallucinations

  • Disorganized speech

  • Very disorganized or catatonic (immobile or unresponsive) behavior

Doctors diagnose brief psychotic disorder if the person's symptoms last less than 1 month and another disorder does not better account for symptoms. Other disorders that can produce similar symptoms include adverse effects from medications and/or illicit drugs, medical problems such as a brain tumor or temporal lobe epilepsy, schizophrenia, and schizoaffective disorder. If this condition occurs during an episode of marked stress, it is called brief reactive psychosis.

Treatment of brief psychotic disorder is similar to treatment of schizophrenia and requires a doctor's supervision and sometimes short-term treatment with antipsychotic medications

Relapse is common, but people with brief psychotic disorder typically function well between episodes and have few or no symptoms. People with brief psychotic disorder appear to be at increased risk of developing schizophrenia or another disorder on the schizophrenia spectrum.

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