Muscular and joint pains are not the common presentation of diabetic neuropathy. You may try Vit D supplementation in the form of Calcirol Sachets one per week, Tab Methycobal 1500 one per day, Tab Evion LC one twice a day. If this doesnt work you better consult an orthopedic surgeon or rheumatologist. To read more about complications of
diabetes refer to this http://diabecity.co.in/complication-of-diabetes/