I noticed that no one answered your post, and since I don't have personal experience with Effexor
(I couldn't tolerate it), I just did a quick search. I just uncovered 2 things that I find disturbing:
"In 2007, the Institute for Safe Medication Practices and the Division of
Public Health Sciences, Wake Forest University School of
Medicine, conducted a longitudinal Adverse Events Reporting System Review of
the U.S. FDA's most dangerous drugs.