Sometimes doctors misdiagnose a child with ADHD when the child has bipolar disorder. HealthyPlace Medical Director, Dr. Harry Croft, on why this happens and explains the difference between the symptoms of Bipolar Disorder and ADHD in children. For comprehensive information on ADHD in children and adults, visit the HealthyPlace.com ADHD Information Center: http://www.healthyplace.com/adhd/menu-id-53/