May also be called: ADHD; Attention Deficit disorder; ADD
Attention deficit hyperactivity disorder (ADHD) is a common behavioral disorder that affects how well someone can sit still, focus, control impulses, and pay attention.
At times, all kids (especially younger ones) have trouble sitting still, paying attention, or attending to details. The difference with ADHD is that these symptoms are present over a longer period of time and happen in different settings. They impair someone's ability to function socially, academically, and at home. Kids and teens with ADHD can have difficulty with impulse control and with staying focused, and may be hyperactive.
ADHD has biological origins that aren't yet clearly understood. No single cause has been identified, but researchers are exploring a number of possible genetic and environmental links.
There are three subtypes of ADHD:
In most cases, all types of ADHD are best treated with a combination of medications and behavior therapy.
There's no cure for ADHD, but by working with a doctor and school staff to develop an individualized, long-term treatment plan, students with ADHD can learn to successfully live with and manage their symptoms. In some cases, the symptoms of ADHD may even become less severe as kids get older.
All A to Z dictionary entries are regularly reviewed by KidsHealth medical experts.
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