Diabetes when uncontrolled can cause sudden increase in blood sugar level causing an emergency called Diabetic ketoacidosis which can be life threatening if not treated in time. Also, long standing Diabetes may lead to organ damage which can be fatal.
No fruit or vegetable can totally get rid of Diabetes but having fruits/vegetables with low glycemic index may prevent or manage Diabetes.
Fresh mushrooms are low glycemic index as they have less carbohydrates and also a good source of vitamin B.
Random blood sugar of 11 is too low, hypoglycemia. If HBA1C is 11% then it is Diabetes and needs treatment.
Most commom causes include Diabetes mellitus, Hypertension, Glomerulonephritis, Interstitial nephritis, Polycystic kidney disease, Prolonged urine obstruction from stones or enlarged prostate, Vesicoureteral reflex, Recurrent Pyelonephritis.