Bipolar I and II

Symptoms

Bipolar I disorder: You've had at least one manic episode. The manic episode may be proceeded by or followed by hypomanic or major depressive episodes. Mania symptoms cause significant impairment in your life and may require hospitalization or trigger a break from reality (psychosis).

Mood Disorders

Bipolar II disorder: You've had at least one major depressive episode lasting at least two weeks and at least one hypomanic episode lasting at least four days, but you've never had a manic episode. Major depressive episodes or the unpredictable changes in mood and behavior can cause distress or difficulty in areas of your life.