Schizophrenia


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Definition

Schizophrenia is a mental disorder that makes it hard to:

  • Tell the difference between what is real and not real
  • Think clearly
  • Have normal emotional responses
  • Act normally in social situations

Alternative Names

Childhood-onset schizophrenia


Causes, incidence, and risk factors

Schizophrenia is a complex illness. Mental health experts are not sure what causes it. However, genes may play a role.

  • Certain events may trigger schizophrenia in people who are at risk for it because of their genes.
  • You are more likely to develop schizophrenia if you have a family member with the disease.

Schizophrenia affects both men and women equally. It usually begins in the teen years or young adulthood, but it may begin later in life. It tends to begin later in women, and is more mild.

Childhood-onset schizophrenia begins after age 5. Childhood schizophrenia is rare and can be hard to tell apart from other developmental problems in childhood, such as autism.


References

Freudenreich O, Weiss AP, Goff DC. Psychosis and schizophrenia. In: Stern TA, Rosenbaum JF, Fava M, Biederman J, Rauch SL, eds. Massachusetts General Hospital Comprehensive Clinical Psychiatry. 1st ed. Philadelphia, Pa: Mosby Elsevier;2008:chap 28.

Lyness JM. Psychiatric disorders in medical practice. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 404.


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Review Date: 2/13/2012
Reviewed By: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington; Timothy Rogge, MD, Medical Director, Family Medical Psychiatry Center, Kirkland, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.
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Last Updated 4/24/2012
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