Adderall comes in a normal-release kind that lasts 4 to six several hours and an extended-release type (Adderall XR) that works for as many as twelve several hours. Brand-title Adderall XR and generic Adderall and Adderall XR can be obtained as amphetamine/dextroamphetamine and prolonged-release amphetamine/dextroamphetamine.Elevated Blood Pressure