<unk> , also known as organic mania, is a variation of bipolar disorder that is caused by physical trauma or illness. Bipolar disorder has a one percent prevalence rate in the United States and<unk>  is likely a small subset of that percentage.<unk>  exhibits symptoms similar to that of mania in bipolar I and bipolar II disorders. This includes an elevated mood or affect, psychotic state, accelerated speech, increased motor activity, irritability, and flight ideas. A unique criterion for<unk>  is the lack of history of mental illness that causes mania, such as bipolar disorder. Unlike bipolar disorder, which has an average age of onset at 25 years,<unk>  has an average age of onset at 45 years. Little is known about<unk> , as much of the research on it is case studies and retrospective accounts. However, it has been connected to several causes such as traumatic brain injury, HIV/AIDS, and stroke.
Secondary mania
Dancing mania
Bell's mania
Tardive psychosis
Myxedema psychosis
Atypical depression
Stimulant psychosis
Substance-induced psychosis