Bipolar II disorder

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Bipolar II disorder (BD-II) is a mood disorder on the bipolar spectrum, characterized by at least one episode of hypomania and at least one episode of major depression. Diagnosis for BD-II requires that the individual must never have experienced a full manic episode. Otherwise, one manic episode meets the criteria for bipolar I disorder (BD-I). Bipolar II Disorder is a mood disorder characterized by alternating periods of depression and hypomania, a less severe form of mania. Individuals with Bipolar II experience episodes of major depression, marked by symptoms like persistent sadness, fatigue, and loss of interest in activities, as well as episodes of hypomania, which involve elevated mood, increased energy, and impulsivity, but without distinguished manic episodes which are seen in Bipolar I Disorder. The disorder is often underdiagnosed due to its hypomanic episodes not being as disruptive as the full mania seen in Bipolar I. Bipolar II tends to be chronic and can significantly impact...

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