Diseases, Conditions and Tests

The RxList disease and condition listing contains explanations of many medical conditions and tests. Disease articles are written by U.S. Board Certified Physicians. To use the listing, browse the terms by selecting a letter.

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Featured: ADHD in Children


Arrows in different directions.ADHD also often called ADD, refers to a mental-health condition called attention deficit hyperactivity disorder. People with ADHD have problems with impulse control, excessive activity, and/or concentration. Statistics show that up to 7% of children and teens are thought to suffer from this disorder at any time.
ADHD Symptoms in Children Slideshow

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