Children suffering from ADHD also exhibit symptoms of inattention and disorganization. These children also have a high hyperactivity level and act out impulsively. Children with ADHD sometimes exhibit anxiety, conduct disorders, including Oppositional Defiant Disorder, as well as perceptual difficulties, coordination problems, and Dyslexia. Thirty percent of all children suffering from ADD also have other learning disabilities. Between two and five percent of all ADD cases are severe.
More males suffer from ADD than females, near a three to one ratio.
In diagnosing ADD in children a list of fourteen symptoms is given. Symptoms such as fidgeting, squirming, or seeming restless are often present. The child has difficulty remaining still or staying seated. They are usually easily distracted. They also have difficulty waiting their turn and in a classroom situation they often blurt out answers.