- Bipolar I: Experiencing at least one manic episode lasting one week or more, which may or may not be accompanied by depressive episodes. Symptoms of mania include racing thoughts, grandiose self-image, decreased need for sleep, extreme impulsiveness, reckless behavior, increased irritability, and, in some cases, delusional thinking. The severity of these symptoms impairs social, occupational, and educational function and may result in self-destructive behaviors such as overspending, indiscriminate sexual activity, and excessive substance use.
- Bipolar II: Experiencing at least one hypomanic episode lasting four days or more and one depressive episode lasting at least two weeks that seriously impacts functioning. Hypomania is a milder form of mania in which symptoms like rapid thoughts, increased energy, euphoria, and impulsive behavior are present but generally do not interfere with everyday functioning. Bipolar II tends to be marked more heavily by depressive episodes and people living with the disorder are at heightened risk for suicide.
- Cyclothymic Disorder: Experiencing at least two years of mood instability characterized by depressive and hypomanic episodes that are present at least half the time and don’t go away for more than two months. Symptoms of cyclothymic disorder tend to be less severe than Bipolar I and II, but the chronic nature and extended symptomatic episodes can create serious functional impairments and profound emotional distress.
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