Risk factors
By Mayo Clinic staffAlthough the precise cause of schizophrenia isn't known, certain factors seem to increase the risk of developing or triggering schizophrenia, including:
- Having a family history of schizophrenia
- Exposure to viruses, toxins or malnutrition while in the womb, particularly in the first and second trimesters
- Stressful life circumstances
- Older paternal age
- Taking psychoactive drugs during adolescence and young adulthood
References
- Schizophrenia and other psychotic disorders. In: Diagnostic and Statistical Manual of Mental Disorders DSM-IV-TR. 4th ed. Arlington, Va.: American Psychiatric Association; 2000. http://www.psychiatryonline.com. Accessed Nov. 26, 2011.
- Minzenberg MJ, et al. Schizophrenia. In: Hales RE, et al. The American Psychiatric Publishing Textbook of Psychiatry. 5th ed. Washington, D.C.: American Psychiatric Publishing; 2008. http://www.psychiatryonline.com/resourceToc.aspx?resourceID=5. Accessed Nov. 26, 2011.
- Schizophrenia. National Institute of Mental Health. http://www.nimh.nih.gov/health/publications/schizophrenia/complete-index.shtml. Accessed Nov. 26, 2011.
- Fischer BA, et al. Schizophrenia: Clinical manifestations, course, assessment, and diagnosis. http://www.uptodate.com/home/index.html. Accessed Nov. 26, 2011.
- Jibson MD. Schizophrenia: Epidemiology and pathogenesis. http://www.uptodate.com/home/index.html. Accessed Nov. 26, 2011.
- Stroup TS, et al. Pharmacotherapy for schizophrenia: Acute and maintenance phase treatment. http://www.uptodate.com/home/index.html. Accessed Nov. 26, 2011.
- Aripiprazole. U.S. National Library of Medicine. http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0000221/. Accessed Nov. 26, 2011.
- Risperidone. U.S. National Library of Medicine. http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0000944/. Accessed Nov. 26, 2011.
- Hall-Flavin DK (expert opinion). Mayo Clinic, Rochester, Minn. Nov. 30, 2011.
- Wall CA (expert opinion). Mayo Clinic, Rochester, Minn. Dec. 20, 2011.

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