Adderall is a prescription medication used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. It is a combination of amphetamine and dextroamphetamine, which work together to increase focus and decrease impulsivity and hyperactivity. While it is a highly effective medication for those who need it, it can be difficult to obtain a prescription and can also be expensive. This is why many people turn to buying Adderall online.