I would apply the Kambo both on the area where you have pain and the meridian points associated with the area. Equal amounts preferably balancing both hemispheres of the body left and right.
Weird things happen on forums that I belong, recently on the Ayahuasca forum this herb was recommended as the superior remedy for aches and pains...
http://www.rain-tree.com/anamu.htm#.UlQU0_nSpQEMuch love and blessings macaco, it's the journey not the end result a good reminder, what seems like dead ends are sometimes forks that will lead to unfolding in a brighter way. I try to remember.