Adderall Vs Adderall Xr. Adderall XR can last for 10 hours but the immediate-release formulation only lasts 6 hours. Adderall IR immediate-release and Adderall XR extended-release.
Adderall and modafinil are central nervous system stimulant medications with similar mechanisms of action and practical applications but different potentials for abuse. Learn more how adderall and modafinil compare. Adderall XR is the extended-release version of Adderall which means the pill dissolves slowly and the active ingredients are released in the body throughout the day.
This means that when you take Adderall XR youll get the same initial kick within 30 to 60 minutes as you would with the IR version.
Immediate release 5 10 20 mg sustained release SR 20 mg and extended release LA 10 20 30 40 60 mg. I have been on 20mg XR morning and 10mg IR as needed for 7 years. 15 Dont hold your breath for. Adderall IR is short-acting.