It does not usually improve the student's scores on intelligence tests. It does not usually improve the student's scores on group achievement tests, although class performance is better. Some children have side effects with psychostimulants. Most common are decreased appetite, slower weight gain, and changes in sleep patterns. Irritability, stomach aches, or headaches sometimes occur.
Side effects are usually temporary , however.
A few children develop tics, which should be brought to your doctors attention. Other side effects, like acting sad or withdrawn, occur infrequently. If they occur, tell your doctor. Antidepressants sometimes produce side effects like dry mouth or constipation. Drug use and dependency are no higher in children who have taken the medication than in the general population.