Mixing dexies and ritalin. . . . Reports of users experimenting with mixing . and Adderall XR Generic Name: amphetamine, dextroamphetamine . Dexedrine (dextroamphetamine) is a psychostimulant drug known to produce increased . . What causes a problem is if I start adding caffeine to this mix. Adderall is amphetamine and dextroamphetamine & ritalin is methylphenidate, both . . All about Amphetamine/Dextroamphetamine Extended-Release Capsules . . Basically, all you'd be doing is . . . I under... more