I Have Burning Feet And Legs And Also Arms, Hands

I have burning feet and legs and also arms, hands and a terrible back pain. I have tried all sorts of pain medication. My doctor thinks that I suffer from Neuropathy. I am border line diabetic and have been able to bring down the number by taking Metmorfin. I also take Crestor for cholesterol and Lysinopryl for blood pressure. I am 63 years old male.