A-d-d-e-r-a-l-l is a medication that contains amphetamine and dextroamphetamine, which are central nervous system stimulants. It is commonly prescribed to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. A-d-d-e-r-a-l-l works by increasing the levels of certain neurotransmitters in the brain, which helps improve focus, attention, and impulse control. A-d-d-e-r-a-l-l is taken orally, usually in tablet form. It is available in immediate-release (IR) and extended-release (XR) f