Attention deficit hyperactivity disorder (ADHD) is a mental disorder of the neurodevelopmental type. The disorder represents one of the common causes of referral for behavioral problems in children to medical and mental health doctors all around the world. The diagnosis can be done by DSM-V criteria. According to DSM-V, there are three main subtypes of ADHD: ADHD-inattentive type, ADHD-hyperactive-impulsive type, and ADHD-combined type. The etiology of ADHD is not definitively known. A genetic imbalance of catecholamine metabolism in the cerebral cortex appears to play a primary role. Various environmental factors may play a secondary role. Cognitive impairments in a variety of domains have been found in ADHD as well as impairment in overall intellectual function. A meta-analysis of children and adolescents with ADHD showed impairments in several aspects of executive functioning. The most important part of any intervention plan for a child with ADHD is the physical, behavioral and neuromotor/ neuropsychological examination. Medication should be started with one of the stimulants. Both d-amphetamine and methylphenidate have been shown to be effective for improvement of hyperactivity, concentration problems, learning disorders, and other comorbidities.
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