Adderall is a prescription medication that contains a combination of amphetamine and dextroamphetamine. It belongs to a class of drugs called stimulants and is primarily used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy.

Adderall works by increasing the levels of certain chemicals in the brain that are responsible for impulse control and hyperactivity. It helps improve focus, attention, and reduce impulsive behavior in individuals with ADHD. For narcolepsy, Adderall helps to reduce excessive daytime sleepiness and improve wakefulness.

It's important to note that Adderall is a controlled substance due to its potential for abuse and addiction. It is available in different strengths and formulations, including immediate-release tablets and extended-release capsules. The dosage and frequency of use are determined by the prescribing healthcare professional based on the individual's condition and response to the medication.