A thorough evaluation is essential to make a diagnosis of ADHD. There are currently no medical or psychological tests to make such a diagnosis. Instead, the health care provider must evaluate the presence of symptoms; determine if they pose impairment; and judge they are not better accounted for by another diagnosis. A comprehensive patient history, including gathering information from the patient, parents, care providers, and teachers is necessary to gather complete diagnostic data.8 Physical or neurological exams may be performed to rule out other conditions and a psychological evaluation is conducted to rule out learning problems and determine comorbid mental health issues.7 DSM-IV criteria are applied to make the ADHD diagnosis. These criteria are summarized in Table 1.