Hi, My Wife , Her age is 38, and she is a diabetic patient , currently taking one time Cetapin-XR 500mg ( metformin ), so now my question is that, when she starts exercise ,or morning walk , then pain starts in bones of her body in 2,3 days when she starts exercise scheduled, so it is due to diabetes or something else, and what will be the solution for this , please reply ,i am very tensed.