51 patient evaluations for Effexor XR Advice & Tips: I can really tell if I take a dose late, my mood tanks quite badly, as well as the "electric Zotty" Mild ( increased insomnia) . My anxiety, panic attacks, and depression was out of control. Venlafaxine is used to treat depression, anxiety, panic attacks, and social Doing so can release all of the drug at once, increasing the risk of side effects. Also. It is a common treatment for depression and anxiety disorders in the United Alcohol: This can add to the drowsiness that the drug can cause. It did a great job dialing down the fibro pain, but made me too crazy to continue with it. Effexor XR is used to treat depression, generalized anxiety disorder GADsocial anxiety disorder, and panic disorder. Try and get Effexor instead of generic. It does affect my weight, and causes me to be drowsy during the day time. I would wake up in a panic and had diarrhoea. Just allow yourself a day or two free have gaba baclofen congratulate, just to be on the safe side. Rowbotham, M. According to the Food and Drug Administration, all FDA-approved generic drugs meet the same rigid standards as brand-name medications. Jun 22, Started Jul 20, Effectiveness.