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Bipolar III Disorder / BPIII

By Kimberly Read & Marcia Purse, About.com

Updated October 06, 2006

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Definition:
Bipolar III Disorder - BPIII for short - is known as Cyclothymia. It is a long-term condition where the person's moods cycle between hypomania - a "high" that can be mild to fairly severe but does not include delusions, hallucinations or other psychotic features - and depression, also mild to fairly severe but not incapacitating or suicidal.

For more, including diagnostic criteria, see Forms of Bipolar Disorder: Cyclothymia.

Pronunciation:
SY-klo-THIGH-mee-uh
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