The symptoms of ADHD — inattention, hyperactivity or impulsive behavior — often show up first at school. A teacher may report to parents that their child won't listen, is "hyper," or causes trouble and is disruptive. A child with ADHD often wants to be a good student, but the symptoms get in the way. Teachers, parents and friends may be unsympathetic, because they see the child's behavior as bad or odd.
A high level of activity and occasional impulsiveness or inattentiveness is often normal in a child. But the hyperactivity of ADHD is typically more haphazard, poorly organized and has no real purpose. And in children with ADHD, these behaviors are frequent enough that the child has a harder than average time learning, getting along with others or staying reasonably safe.
ADHD symptoms can vary widely, but here are common characteristics of the disorder:
Many children with ADHD also show symptoms of other behavioral or psychiatric conditions. In fact, such problems may be different ways that the same underlying biological or environmental problems come to light. These associated conditions include learning disabilities and disorders characterized by disruptive behavior.
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