Effexor XR (Venlafaxine)

Venlafaxine (Effexor, Effexor XR), is used to treat depression. Venlafaxine (Effexor XR) is also used to treat generalized anxiety disorder (excessive worrying that is difficult to control) and social anxiety disorder (extreme fear of interacting with others or performing in front of others that interferes with normal life). Venlafaxine is in a class of medications called antidepressants. It works by increasing certain types of activity in the brain.