Bipolar Disorder in Children With ADHD: A Clinical Sample Study

To explore the impact of early-onset bipolar disorder (pediatric bipolar disorder [PBD]) on ADHD.We compared ADHD symptom severity, ADHD subtype distribution, and rates of comorbid and familial psychiatric disorders between 49 ADHD children with comorbid PBD and 320 ADHD children without PBD.Children with ADHD and PBD showed higher scores in the Hyperactive and Inattentive subscales of the ADHD Rating Scale, than children with ADHD alone. The...