With children, the doctor will talk with the parents about ADHD symptoms they have seen. The doctor will want to know what age the behaviors began and where and when the child shows symptoms. The doctor may ask for a behavior report from the child's teacher, report cards, and samples of schoolwork.
With adults, the doctor may want to talk with a spouse or other family members. He'll want to find out if they had symptoms in childhood. Knowing if an adult had ADHD behavior as a child is important for making a diagnosis.
To rule out other conditions, a doctor may ask for tests, including: