Definition of Bipolar I disorder
Bipolar I disorder: The diagnosis of bipolar I disorder requires that the individual has at least one manic episode but does not require a history of major depression.
See also: Bipolar disorder.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 10/9/2012
Medical Dictionary Definitions A - Z
Search Medical Dictionary
eMedicineHealth Top News
Get tips on therapy and treatment.