results in all sorts of complications in body which can effect heart,kidneys,eyes,nerves,blood vessels etc.
Your loss of weight is the result of uncontrolled diabetes.
You may be having uncontrolled blood pressure and serum cholesterol
You must immediately consult a diabetologist
or an internal medicine specialist and get yourself investigated and treated properly.
You must make all efforts to control your sugar levels and this includes dietary restriction and regular aerobic exercises
along with anti diabetic medications.