Attention Deficit Hyperactivity Disorder (ADHD) is a prevalent neurodevelopmental disorder affecting millions of children and adults in the United States. As understanding of ADHD has grown, so too has the development and prescription of various medications aimed at managing its symptoms, which can include inattention, hyperactivity, and impulsivity. The most common types of ADHD medications prescribed in the U.S. fall into two main categories: stimulants and non-stimulants.