I have posted on and off on this site for a while - and had so much help. I am now getting b12 injections every month (after 18 months of struggle). some neuropathic problems have improved but I was left with severe pain in one foot in the night. However, I was recommended magnesium oil and since massaging it into my foot at night I have at last found something which helps the pain. (plus codeine of course). Seems like magic or hocus pocus to me - but it works.