Suggest Treatment For Muscle Pain

hi i m medha, my mother is 70 years old, she has a diabetes, high blood pressure &choelorstal & arithrites from 6 to 8 month she has a very pain in leg musals all time & when she is sleeping it is very much pain what advice given to her for relief for leg pain? she conusult MD physician but no more relif in her pain, if any device is help for her pain pl. suggest...............