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 works by affecting chemicals in the brain and nerves that contribute to hyperactivity and impulse control. Adderall Helps increase attention and decrease impulsiveness and hyperactivity. It also Helps to stay awake during the day.