Blisters and Diabetic Ulcers
Diabetes increases the risk of blisters in several ways. First, diabetic neuropathy may make it more difficult for a person to know when their shoes do not fit. It may also change the way a person moves, increasing the risk of blisters. Another condition called bullous diabeticorum [3] which refers to the spontaneous formation of blisters. Can also occur in diabetic patients. Doctors do not know why the blisters appear. Blisters can become infected, causing pain and increasing the risk of an infection that spreads throughout the body.
About 7% of people with peripheral neuropathy develop diabetic foot ulcers each year. Because your nerves are damaged and you are experiencing poor circulation, you may not discover the ulcer until they are severe. Ulcers if left untreated can damage the foot and become infected. Ulcers may also be very painful, that it makes it difficult to walk and also wear shoes and socks.