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    Bipolar Disorder - Cause

    The cause of bipolar disorder is not well understood, but evidence suggests that it runs in families.2 Your living environment and family situation may also play a role. Episodes of depression and mania may be caused by a problem with certain brain chemicals called neurotransmitters.

    Antidepressant medicines can trigger a manic episode in a person who has bipolar disorder. But this may occur before the person is diagnosed, while he or she is seeking treatment for an episode of depression.

    Recommended Related to Bipolar Disorder

    Bipolar I Disorder

    Bipolar I disorder (pronounced "bipolar one" and also known as manic-depressive disorder or manic depression) is a form of mental illness. A person affected by bipolar I disorder has had at least one manic episode in his or her life. A manic episode is a period of abnormally elevated mood and high energy, accompanied by abnormal behavior that disrupts life. Most people with bipolar I disorder also suffer from episodes of depression. Often, there is a pattern of cycling between mania and depression...

    Read the Bipolar I Disorder article > >

    Sleep deprivation or substance abuse, including caffeine, can cause a person with bipolar disorder to have a manic episode.

    WebMD Medical Reference from Healthwise

    Last Updated: November 14, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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