This is almost always a temporary condition. Diabetic nephropathy usually takes many years to develop. Diabetics should have their urine checked regularly for protein. In families where some diabetics develop kidney complications, other diabetics in the family are at increased risk. High blood pressure.
Hypertension stresses the kidney capillaries, increasing risk of leakage.
High protein intake. The more protein you eat, the more can pass into your urine. Most Americans consume far more protein than necessary to maintain good health. Poor blood glucose control. As average blood glucose level increases, so does risk of nephropathy.