The researchers say that a single injection of a drug called resiniferatoxin. made from a toxin found in a Moroccan cactus-like plant, can deliver highly selective, permanent, local pain relief. They say the drug may soon replace morphine, and change the face of pain treatment, and chronic pain itself in the coming years.
Modern medicine is pretty good at treating simple kinds of pain, such as pain from basic headaches, pulled muscles and from the repair of decayed teeth.
But another type of pain, inflammatory pain—the kind that comes from osteoarthritis, bone cancer and spinal and back injuries—has proven far more difficult to treat.
You can read the entire article at Examiner, 'RTX: New Drug Could Replace Morphine, End Chronic Pain', Jefferson Adams, July 22, 2013