Numerous periods of mania and depression, but not of long duration; no psychotic features:

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Cyclothymic disorder is characterized by periods of hypomania and mild depression, but they do not meet the criteria for a full manic or depressive episode. These periods are not long-lasting and there are no psychotic features present. It is considered a milder form of bipolar disorder. Major depression, bipolar disorder, and dysthymic disorder all involve more severe and longer-lasting periods of depression. Hypomania is a symptom of bipolar disorder and refers to a less severe form of mania that does not cause significant impairment or require hospitalization.

Numerous Periods of Mania and Depression, but Not of Long