Adderall is a prescription medication that is commonly used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. It is a combination of two stimulant drugs, amphetamine and dextroamphetamine, which work by increasing the levels of dopamine and norepinephrine in the brain. Adderall is known to improve focus, concentration, and alertness, making it a popular choice for those struggling with ADHD.