The recalls involve two commonly used injectable veterinary drugs: butorphanol, a fast-acting opioid used to control pain from surgical procedures in dogs and cats, and the anesthetic agent ketamine. Read more: http://www.sfgate.com/cgi-bin/article.cgi?f=/g/a/2010/01/13/petscol011310.DTL#ixzz0cdLvWzAj Tweet
