Attention Deficit and Disruptive Behavior Disorders
(as defined by the American Academy of Pediatrics)
A child with ADHD and a coexisting disruptive behavior disorder is likely to be similar to children with ADHD alone in terms of intelligence, medical history, and neurological development. Disruptive behavior disorders are among the easiest to identify of all coexisting conditions because they involve behaviors that are readily seen such as temper tantrums, physical aggression such as attacking other children, excessive argumentativeness, stealing, and other forms of defiance or resistance to authority. He is probably no more impulsive than children with ADHD alone, although if he has conduct disorder, his teachers or other adults may misinterpret his aggressive behavior as ADHD-type impulsiveness.
A child with ADHD and CD does have a greater chance of experiencing learning disabilities such as reading disorders and verbal impairment. But what distinguishes children with ODD and CD most from children with ADHD alone is their defiant, resistant, even (in the case of CD) aggressive, cruel, or delinquent, behavior. Other indicators to look for include
For more on this topic, please visit: Disruptive Behavior Disorders