Is MR and Xr the same thing

Hiya just a quick question about effexor, my scrip has been delivered today, half my meds are effexor XR and the other are MR?... Is it the the same release?.... Extended and modified?? Thanks

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Originally Posted by Stronglady

Hiya just a quick question about effexor, my scrip has been delivered today, half my meds are effexor XR and the other are MR?... Is it the the same release?.... Extended and modified?? Thanks

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Yes, they seem to be bioequivalent.

Yes they are.