may be due to uncontrolled diabetes
along with some nutritional deficiencies of multi vitamins.A diabetic generally have deficiency of VIT B 12 which may be due to combined effect of dietary deficiency plus due to deficiency caused by intake of METFORMIN
You may be having deficiency of VIT D and calcium also.
Also you must get your thyroid
At this advanced stage of diabetes,there is no natural way now to control your diabetes.
Treatment of diabetes
encompasses following steps
Observing dietary restriction
Shedding of weight
Regular aerobic exercises daily for atleast 45 minutes
Regular medications to keep a tight control of your sugar levels.
Make sure that your sugar levels,blood pressure and lipid status are controlled meticulously to avoid future micro as well as macro vascular complications.
Get your VIT B12,VIT D,CALCIUM,THYROID PROFILE checked and consult your doctor.