Adderall comes in a typical-launch form that lasts 4 to six several hours and an prolonged-launch type (Adderall XR) that works for around 12 hrs. Brand name-name Adderall XR and generic Adderall and Adderall XR are available as amphetamine/dextroamphetamine and prolonged-release amphetamine/dextroamphetamine.When you get your prescription and star