Here is an online CME from the American Medical Association. Click on introduction on the left frame to begin at the beginning and then click your way down through management.
http://www.ama-cmeonline.com/pain_mg...ntro/index.htm
This page contains the American Pain Society's definition for neuropathic pain...subsequent pages in the CME activity deal with management. There is also a nice table which summarizes the characteristics:
http://www.ampainsoc.org/ce/npc/I/b_definitions.htm