<s>[INST] my right lower leg muscle between shin and calf has been tingling and a burn like feeling for a couple of weeks now. i dont belive i injured it. would you know what it could be? there is now bruising or discoloration, just sore once in a while. thx. for your help. from: L L [/INST] hitingling and burning are signs of deficiency, which could be of essential vitamins or micro minerals. you should take some multivitamin and mineral tablet for a period of 7 days and see if it works, things can correct with this simple measure, but if it dosent, then see your doctor and discuss your concern. </s>