Often called ADHD medication, Adderall is a combination of the drugs amphetamine and dextroamphetamine. The latter is an enantiomer of amphetamine, which is why it is also called "dex." It is used to treat attention deficit hyperactivity disorder (ADHD), as well as a number of other conditions. It is a very effective medication. But it also comes with a number of risks. Please note this article is for general guidance. Any decisions on medication or treatment should be made with advice from a registered physician.