Stephen J. Schueler, M.D.

Overview Symptoms Underlying Cause

Psychosis Overview

What is psychosis?
A person with psychosis has difficulty with the perception of reality, usually resulting in hallucinations or delusions. Delusions are unrealistic ideas or plans, and hallucinations are false perceptions of things that do not exist. A person with visual hallucinations sees things that do not exist, while a person with auditory hallucinations hears sounds or voices that do not exist. Psychosis may be caused by a mental illness, or by a medical illness that affects the brain.

What are the symptoms of psychosis?
Symptoms that occur with psychosis include bizarre behavior, lack of insight, confusion, violent behavior, difficulty controlling emotions, poor communication skills, and poor interpersonal relationships.

How does the doctor treat psychosis?
Treatment for psychosis depends on the underlying cause.

Continue to Psychosis Symptoms

Last Updated: Feb 11, 2010 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Psychosis References
  1. Cantor-Graae E, Selten JP. Schizophrenia and migration: a meta-analysis and review. Am J Psychiatry. 2005 Jan;162(1):12-24. [15625195]
  2. Kurtz MM, Moberg PJ, Gur RC, Gur RE. Approaches to cognitive remediation of neuropsychological deficits in schizophrenia: a review and meta-analysis. Neuropsychol Rev. 2001 Dec;11(4):197-210. [11883669]
  3. Tarrier N. Cognitive behaviour therapy for schizophrenia -- a review of development, evidence and implementation. Psychother Psychosom. 2005;74(3):136-44. [15832064]
  4. Turkington D, Dudley R, Warman DM, Beck AT. Cognitive-behavioral therapy for schizophrenia: a review. J Psychiatr Pract. 2004 Jan;10(1):5-16. [15334983]
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