Adderall 15 mg is used to treat Attention Deficit Hyperactivity Disorder (ADHD). AD 15 pill is a pharmaceutical medication that is available in the form of oral pills and tablets. Adderall 15 mg orange pill’s generic names are Amphetamine and Dextroamphetamine which are sold under different brand names. It is a prescription-only drug because that comes in Scheduled II controlled substance.