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    Bipolar II Disorder

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    What Are the Symptoms of Bipolar II Disorder? continued...

    The vast majority of people with bipolar II disorder experience more time with depressive than hypomanic symptoms. Depressions can occur soon after hypomania subsides, or much later. Some people cycle back and forth between hypomania and depression, while others have long periods of normal mood in between episodes.

    Untreated, an episode of hypomania can last anywhere from a few days to several months. Most commonly, symptoms continue for a few weeks to a few months.

    Depressive episodes in bipolar II disorder are similar to "regular" clinical depression, with depressed mood, loss of pleasure, low energy and activity, feelings of guilt or worthlessness, and thoughts of suicide. Depressive symptoms of bipolar disorder can last weeks, months, or rarely years.

    What Are the Treatments for Bipolar II Disorder?

    Hypomania often masquerades as happiness and relentless optimism. When hypomania is not causing unhealthy behavior, it often may go unnoticed and therefore remain untreated. This is in contrast to full mania, which by definition causes problems in functioning and requires treatment with medications and possibly hospitalizations.

    People with bipolar II disorder can benefit from preventive drugs that level out moods over the long term. These prevent the negative consequences of hypomania, and also help to prevent episodes of depression.

    Mood Stabilizers

    Lithium: This simple metal in pill form is highly effective at controlling mood swings (particularly highs) in bipolar disorder. Lithium has been used for more than 60 years to treat bipolar disorder. Lithium can take weeks to work fully, making it better for long-term treatment than for acute hypomanic episodes. Blood levels of lithium and other laboratory tests (such as kidney and thyroid functioning) must be monitored periodically to avoid side effects.

    Carbamazepine (Tegretol): This antiseizure drug has been used to treat mania since the 1970s. Its possible value for treating bipolar depression, or preventing future highs and lows, is less well-established. Blood tests to monitor liver functioning and white blood cell counts also are periodically necessary.

    Lamotrigine (Lamictal): This drug is approved by the FDA for the maintenance treatment of adults with bipolar disorder. It has been found to help delay bouts of mood episodes of depression, mania, hypomania (a milder form of mania), and mixed episodes in people being treated with standard therapy. It is especially helpful in preventing lows.

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