More than one-tenth of school-age children and nearly one-fifth of high school boys in the United States have received a diagnosis for attention deficit hyperactivity disorder, according to published reports.

Generic drug maker Impax Labs has settled with Shire Labs over an authorized generic version of a Shire drug for treating attention deficit hyperactivity disorder, Impax said.

A new drug for treating attention deficit hyperactivity disorder made by Pfizer is now available, the drug maker said.

Two generic drug makers have settled with a subsidiary of Johnson & Johnson and another company concerning a drug used to treat attention deficit hyperactivity disorder.

Women take mental health drugs at a much higher rate than men, according to a new study by one of the country's largest pharmacy benefit managers.

Children can be diagnosed with attention deficit hyperactivity disorder as soon as 4 years old, according to new guidelines released Sunday by the American Academy of Pediatrics.