Some signs of attention deficit hyperactivity disorder in children are hyperactivity, impulsiveness, inattention and trouble concentrating. Children with ADHD often have more trouble with concepts such as sharing, taking... More »

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There is no definitive answer as to what causes ADD and ADHD, as of 2015. However, a combination of factors, including genetics, brain chemistry and chemical exposure, all play a role, according to WebMD. More »

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According to Healthline, ADD and ADHD are the same condition. ADD stands for attention deficient disorder, whereas ADHD stands for attention deficit hyperactivity disorder. The two terms describe the same disorder, but A... More »

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Inattention, hyperactivity and impulsivity are three major symptoms of attention deficit hyperactivity disorder. Attention deficit hyperactivity disorder and attention deficit disorder commonly appear in childhood. It ma... More »

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While the term attention deficit hyperactivity disorder, or ADHD, was not recognized until 1987, a similar condition called hyperkinetic impulse disorder was mentioned by a British pediatrician in 1902, notes Healthline.... More »

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According to WebMD, ADHD stands for attention deficit hyperactivity disorder. It is a condition that usually affects children and adolescents, though it can continue into adulthood. Symptoms of the disorder include hyper... More »

According to ICD9Data.com, the International Classification of Diseases lists the ICD-9-CM code for attention deficit disorder with hyperactivity as ICD-9-CM 314.01. As the Centers for Disease Control and Prevention expl... More »

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