Alprazolam - S 903 What Is The Diffrence Between XANAX XR And ALPRAZOLAM ER?

What is the diffrence between XANAX XR and ALPRAZOLAM ER? - alprazolam - s 903

Who knows what is the difference between the two ER alprazolam xanax xr? I went to see my doctor today and ask him to put me on Xanax XR, when I put my order I looked at the bottle and read Alprazolam ER.Did get the wrong medicine complete? I can not call my doctor or the pharmacy to the morning.Does no one knows whether the same thing? Any information would be very appreciated.thanks in advance and God bless.