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What are the two main types of bipolar disorder?

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There are two main recognized types of bipolar disorder:

  • Type I causes periods of mania that often alternate with periods of depression. These periods might last for weeks or months and are usually separated by periods of wellness.
  • Type II causes periods of depression that alternate with a less severe form of mania called hypomania.

From: Understanding Bipolar Disorder WebMD Medical Reference

SOURCES: Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision. Washington, D. C.: American Psychiatric Association, 2000. The Nations Voice on Mental Illness. Depression and Bipolar Support Alliance (DBSA). American Psychiatric Association. National Institute of Mental Health. Practice Guideline for the Treatment of Patients with Bipolar Disorder, 2002. WebMD Medical Reference: Bipolar Disorder. Muller-Oerlinghausen, B. The Lancet, Jan. 19, 2002. Kaufman, K. . June, 2003. Compton, M. Depression and Bipolar Disorder, ACP Medicine.









Annals of Clinical Psychiatry

Reviewed by Joseph Goldberg on October 16, 2018

SOURCES: Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision. Washington, D. C.: American Psychiatric Association, 2000. The Nations Voice on Mental Illness. Depression and Bipolar Support Alliance (DBSA). American Psychiatric Association. National Institute of Mental Health. Practice Guideline for the Treatment of Patients with Bipolar Disorder, 2002. WebMD Medical Reference: Bipolar Disorder. Muller-Oerlinghausen, B. The Lancet, Jan. 19, 2002. Kaufman, K. . June, 2003. Compton, M. Depression and Bipolar Disorder, ACP Medicine.









Annals of Clinical Psychiatry

Reviewed by Joseph Goldberg on October 16, 2018

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Besides types I and II, what are other kinds of bipolar disorder?

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