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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Psychosis classification

Introduction

Overview

Overview

Psychosis refers to a clinical presentation including one or more of the following abnormalities: delusions, hallucinations, disorganized speech, disorganized motor function, and negative symptoms. The classification of psychosis depends on the level, number, and duration of symptoms. Psychosis can be classified into: abnormalities limited to one feature of psychosis, schizophrenia spectrum, psychosis caused by specific conditions, and other specific schizophrenia spectrum and other psychotic disorders.

Classification

Classification

Shown below is an algorithm depicting the classification about psychosis.[1]

 
 
 
 
 
 
Psychosis
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Abnormalities limited to one feature of psychosis:
– Delusional disorder, or
– Catatonia
 
Schizophrenia spectrum
 
Psychosis due to other conditions:
– Drug/substance abuse, or
– Medical conditions
 
Other specific schizophrenia spectrum and other psychotic disorders
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Brief psychotic disorder
(Duration of symptoms 1 day-1 month)
 
Schizophreniform disorder
(Duration of symptoms 1-6 months)
 
Schizophrenia or schizoaffective disorder
(Duration of symptoms > 6 months)
 
 
 
 
References

References

  1. ↑ Bebbington P, Freeman D (2017). “Transdiagnostic Extension of Delusions: Schizophrenia and Beyond”. Schizophr Bull. 43 (2): 273–282. doi:10.1093/schbul/sbw191. PMID 28399309.

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vindhya BellamKonda, M.B.B.S [2] Rim Halaby, M.D. [3]