Skip to content

    Bipolar Disorder Health Center

    Font Size
    A
    A
    A

    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

    Understanding Bipolar Disorder: Symptoms

    The primary symptoms of bipolar disorder are periods of elevated or irritable mood accompanied by dramatic increases in energy, activity, and fast thinking. The illness has two (bi) strongly contrasting phases (polar): 1) bipolar mania or hypo-mania and 2) depression. 1) Bipolar mania or hypo-mania symptoms include: Euphoria or irritability Increased energy and activity Excessive talk; racing thoughts Inflated self-esteem Unusual energy; less need for sleep Impulsi...

    Read the Understanding Bipolar Disorder: Symptoms 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.
    1
    Next Article:

    Today on WebMD

    lunar eclipse
    Signs of mania and depression.
    Pills on blank prescription paper
    Learn about this popular bipolar disorder medication.
     
    serious looking young woman
    Assess your symptoms.
    teen girl in bad mood
    How is each one different?
     
    Feeling Ups and Downs
    ASSESSMENT
    Bipolar or Schizo
    Article
     
    Foods to Avoid
    Article
    Man being scolded by his shadow
    Article
     
    lunar eclipse
    Slideshow
    depressed man
    Article
     
    young women not speaking
    Article
    man talking with therapist
    Article