Not all pain medications are alike and each person is slightly different in the way they respond to a pain medication. Specific types and causes of pain may respond better to one kind of pain medication than to another kind.
Update Date 11/3/2014
Updated by: Joseph V. Campellone, MD, Division of Neurology, Cooper University Hospital, Camden, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.