Venlafaxine belongs to a class of antidepressants called serotonin-norepinephrine reuptake inhibitors (SNRIs). (A class of drugs is a group of medications that work in a similar way.) Venlafaxine ER ...
DR tablets are made with a special coating. This coating keeps the tablet from releasing the drug into your system before the tablet passes through your stomach. ER tablets, on the other hand, release ...