• The lifetime prevalence of bipolar I and II disorders in the United States is approximately 3.4%¹²
• Bipolar spectrum disorders (such as mixed episode) often go unrecognized, largely because of the wide range of symptoms seen in patients with these disorders¹³
• 1 in 3 bipolar patients are initially misdiagnosed with unipolar major depression¹³

Read the following sections to learn more about the symptoms and epidemiology of bipolar disorder.