ADHD Test: Symptoms and Treatments Kim 5 years ago 46415829 - child writing adhd on blackboard. adhd is attention deficit hyperactivity disorder. ADHD Test: Symptoms and Treatments Nearly 10 million adults could have ADHD and many might not realize it. Dr. Oz and psychiatrist Dr. Sue Varma discuss why it’s so important to find out if you or a loved one may be at risk.