History of Present Illness

This boy was previously diagnosed with attention-deficit/hyperactivity disorder (ADHD). The school reports that he cannot stay seated, frequently calls out in class, is disorganized, cannot complete his assignments, and has been known to be disrespectful to adults. According to his mother, he is very impatient and impulsive. At age 3, the child was in the Head Start Program, and it was noted that he was demonstrating extreme hyperactivity, poor impulse control, and d...