Researchers continue to debate whether stimulants have any long-term effect on a child's height and weight. "There seems to be a subtle effect in the first year or two," says Dr. Wilens. "Children may be about one to three pounds lighter, and one-quarter to one-half inch shorter, than they would have been had they not taken the medication. However, long-term studies show that, even if kids do drop height and weight initially, they tend to rebound to their normal growth patterns about three years out."
Each time a child goes in for a checkup and a new prescription, the doctor should check his height and weight.