The cause of
bipolar disorder is not well understood.
It seems to run in families. Your child is at greater risk
of having bipolar disorder if a close family member such as a parent,
grandparent, brother, or sister has it.
traumatic events may trigger episodes of
depression in a child who has bipolar disorder. While it
is normal for such events to cause mood changes, these reactions are much more
extreme for children with bipolar disorder.
Sometimes symptoms of
mania occur as a result of another medical condition, such as an overactive
thyroid gland (hyperthyroidism) or
multiple sclerosis. Symptoms can also develop as a
side effect of some medicines, such as
corticosteroids or antidepressants. Using drugs or
alcohol, consuming too much caffeine, or not getting enough sleep can also
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
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