I have attached an article from the Vanderbilt Pain Management Center that addresses this question. It is a great update.
This question prepared by: Donna Seger, MD Medical Toxicologist
I am interested in any questions you would like answered in the Question of the Week. Please email me with any suggestion at donna.seger@vanderbilt.edu
Donna Seger, MD
Medical Director
Tennessee Poison Center
Poison Help Hotline: 1-800-222-1222