Bipolar I disorder. You’ve had at least one manic episode that may be preceded or followed by hypomanic or major depressive episodes. In some cases, mania may trigger a break from reality (psychosis).Bipolar II disorder. You’ve had at least one major depressive episode and at least one hypomanic episode, but you’ve never had a manic episode.Cyclothymic disorder. You’ve had at least two years — or one year in children and teenagers — of many periods of hypomania symptoms and periods of depressive symptoms (though less severe than major depression).Other types. These include, for example, bipolar and related disorders induced by certain drugs or alcohol or due to a medical condition, such as Cushing’s disease, multiple sclerosis or stroke.Although bipolar disorder can occur at any age, typically it’s diagnosed in the teenage years or early 20s. Symptoms can vary from person to person, and symptoms may vary over time.Mania may also trigger a break from reality (psychosis) and require hospitalization. Both a manic and a hypomanic episode include three or more of these symptoms: Abnormally upbeat, jumpy or wired Increased activity, energy or agitation Exaggerated sense of well-being and self-confidence (euphoria) Decreased need for sleep Unusual talkativeness Racing thoughts Distractibility Poor decision-making — for example, going on buying sprees, taking sexual risks or making foolish investments
https://www.mayoclinic.org/diseases-conditions/bipolar-disorder/symptoms-causes/syc-20355955