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Effexor XR? Effexor ER is a common misinterpreted name for Effexor XR.
Drug companies will often attach "ER" to the end of a drug name to indicate that it is an extended-release drug. However, in the case of Effexor®, the manufacturer (Wyeth) attached an "XR," which is another abbreviation for extended-release. Therefore, there is no Effexor ER.
(Click Effexor XR to learn more about this medication. This article describes how it works to treat depression and a number of anxiety disorders in adults and discusses the drug's effects, dosing guidelines, potential side effects, and more. You can also click any of the links in the box to the right for specific information.)
