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ADHD	abbreviation of "attention deficit hyperactivity disorder"; a mental disorder, usually beginning in childhood, characterized by impulsiveness and excessive activity.
amitriptyline	a tricyclic antidepressant drug used to treat depression, attention deficit hyperactivity disorder (ADHD), and other mental disorders.
attention deficit disorder	a behavioral disorder, usually beginning in childhood, characterized by inability to focus one's attention, impulsive behaviors, and, often, hyperactivity; attention deficit hyperactivity disorder.

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