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What is the main difference between Bipolar I and Bipolar II?

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Asked by Josh – June 30, 2008

After reading information on these two disorders, I am a little confused about the key differences between them. Can someone explain to me in plain English the main difference between Bipolar I and Bipolar II?

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    User 57 – July 08, 2008

    Bipolar I involves manic episodes, whereas bipolar II involves only hypomania. Bipolar I is the typical "manic depressive" syndrome, but you can think of bipolar II as a condition where somebody oscillates between a more or less "normal" mood and major depressive episodes.