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2 Responses to “Phamacology Q: Are SR and XR caps/tabs generally the same?”
“Sustained release” and “extended release” are generally interchangeable terms, but in this case Wellbutrin SR is intended for twice-daily dosing and Wellbutrin XL is intended for once-daily dosing.
i think both are the same SR is for sustained release and XR IS FOR EXTENDED RELEASE
From the prescribing info for Wellbutrin:
“Sustained release” and “extended release” are generally interchangeable terms, but in this case Wellbutrin SR is intended for twice-daily dosing and Wellbutrin XL is intended for once-daily dosing.