This clinical guide to attention-deficit/hyperactivity disorder (ADHD) covers topics in diagnosis and treatment and discusses comorbid conditions. The author addresses non-medication interventions with the individual, family and school, as well as medication treatments, including decision points and the management of side effects. Also provided is a broad overview of the continuum of neurobiological disorders and disorders believed to be comorbid with ADHD, including learning disorders, anxiety disorders, depression, anger regulation problems, obsessive compulsive disorders and tic disorders. The legal knowledge health professionals need to be aware of when treating ADHD patients is covered, as are ways to work with the school system in educating parents and teachers.