Causes, Risk Factors, Prevention, and Treatment of Diabetic Foot Sores Persistently high blood sugar levels can cause nerve damage commonly known as diabetic neuropathy. Although diabetic neuropathy can develop in any part of the body, it mostly occurs in the feet and legs. The condition typically causes loss of feeling in the feet and as a result it becomes difficult to notice a cut, sore, or blister. For instance, you might not notice pebbles in your socks that are cutting your feet. A wound that goes unnoticed and hence untreated can easily become infected. Diabetes…