What are some advanced symptoms of untreated diabetes complications?

Several: Common complications of diabetes include changes in sensation in your feet and legs which can lead to pain, blindness, heart attacks, strokes, kidney failure, and poor wound healing possibly leading to infection and amputation.

Many complications: Diabetic patient are at greater risk for complications such as extreme low or high blood sugar, shock, coma, cardiovascular disease (high blood pressure, poor circulation), nerve damage (neuropathy- resulting in poor sensation), kidney damage (nephropathy - poor kidney function), and eye damage (retinopathy- resulting in poor vision). There are different symptoms for each complication.