What is ADDERALL used for?Adderall (amphetamine and dextroamphetamine) is used to treat ADHD (attention deficit hyperactivity disorder) and narcolepsy (a sudden urge to sleep or sudden attacks of deep sleep). The two drugs found in Adderall helps a patients attention increase and decrease restlessness. Without Adderall, patients can become overactive, they can not concentrate, and they are easily distracted.