Adderall comes in a normal-release type that lasts four to 6 hrs and an extended-release kind (Adderall XR) that works for around 12 hrs. Brand-name Adderall XR and generic Adderall and Adderall XR can be obtained as amphetamine/dextroamphetamine and prolonged-launch amphetamine/dextroamphetamine.Referring to ADHD with your doctor or healthcare pro