A member asked:

Whats the main difference between adderall (dextroamphetamine and racemic amphetamine) and adderall (dextroamphetamine and racemic amphetamine) xr?

A doctor has provided 1 answer
Dr. Alan Ali answered

Specializes in Psychiatry

Adderall (dextroamphetamine and racemic amphetamine) & XR: Adderall (dextroamphetamine and racemic amphetamine) is immediate release stimulant, works for 4 hours. The XR is extended release, works for 6-8 hours.

Answered 2/13/2015

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