Adderall is a prescription medication that contains a combination of amphetamine and dextroamphetamine. It is primarily used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. Adderall is commonly prescribed to manage the symptoms of ADHD, including difficulties with focus, attention span, impulsivity, and hyperactivity. It is also sometimes used to treat narcolepsy, a sleep disorder characterized by excessive sleepiness and sudden bouts of sleep.