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What is bipolar disorder?

Bipolar disorder (formerly known as manic-depressive illness or manic depression) is a lifelong mood disorder and mental health condition that causes intense shifts in mood, energy levels, thinking patterns and behavior. These shifts can last for hours, days, weeks or months and interrupt your ability to carry out day-to-day tasks.

Most people are diagnosed with bipolar disorder in adolescence or adulthood, but the symptoms can appear earlier in childhood.

There are a few types of bipolar disorder, most of which involve experiencing manic and depressive episodes. However, people with bipolar disorder don’t always experience either manic episodes or depressive episodes. They also experience euthymia, which is a relatively stable mood state in which they are their usual self.

Mania is a condition in which you have a period of abnormally elevated, extreme changes in your mood, emotions, energy level and activity level. People with certain types of bipolar disorder can experience hypomania, which is a less severe form of mania.

During a depressive episode, you experience a low or depressed mood and/or loss of interest in most activities, as well as many other symptoms of depression.

How does bipolar disorder affect children?

Bipolar disorder is different in children and teenagers than in adults. Adults with bipolar disorder often have clear episodes of mania or depression that last a week or longer. In children and teens, the phases may be less clear, and changes from one episode to the other may happen faster. For example, a child may exhibit periods of giddiness and silliness, anger outbursts, and unprovoked crying all in one day.

Bipolar disorder is different from the typical mood swings and ups and downs every child and teenager goes through. The mood changes in bipolar disorder are more extreme, often unprovoked, and also involve:

  • Changes in sleep patterns.
  • Changes in energy level.
  • Issues with focus and the ability to think clearly.
  • Bipolar disorder symptoms can make it hard for your child to perform well in school or to get along with friends and family members. Some children and teens with bipolar disorder may try to hurt themselves or attempt suicide.

How common is bipolar disorder in children?

Studies show that about 4% of people under the age of 18, including children as young as 5, have bipolar disorder.

To put this in perspective, here are the rates of the most common mental health conditions that affect children:

  • 9.8% of children have attention-deficit/hyperactivity disorder (ADHD).
  • 9.4% of children have an anxiety disorder.
  • 4.4% of children have depression.