hypomanic episode
Distinct period of persistently elevated or irritable mood lasting at least four days, less severe than mania.
Full Definition
A hypomanic episode is characterized by elevated, expansive, or irritable mood lasting at least four consecutive days, accompanied by increased energy and activity. Unlike manic episodes, hypomanic episodes do not cause marked impairment in social or occupational functioning and do not require hospitalization. Symptoms include decreased need for sleep, increased talkativeness, distractibility, increased goal-directed activity, and poor judgment. Hypomanic episodes are key diagnostic criteria for Bipolar II disorder and cyclothymic disorder, distinguishing these conditions from Bipolar I disorder which involves full manic episodes.
Usage
Usage note: Must specify duration and distinguish from full manic episodes; critical for accurate bipolar disorder subtyping.
In Context
- "The patient described a four-day hypomanic episode characterized by increased energy and decreased sleep without functional impairment." — Diagnostic assessment
- "Family members reported observing hypomanic episodes every few months, consistent with Bipolar II disorder." — Collateral history documentation