Adderall XR 30 mg is a central nervous system stimulant prescription medicine that is used to treat the symptoms of attention deficit hyperactivity disorder (ADHD). It is the extended-release version of Adderall that contains dextroamphetamine and amphetamine. usually, an Orange Adderall XR 30 mg is used for long-term more than 3 weeks in children and 4 weeks in adults.