Diabetic shoes are sometimes referred to as extra depth, therapeutic shoes or Sugar Shoes. They are specially designed shoes, or shoe inserts, intended to reduce the risk of skin breakdown in diabetics with pre-existing foot disease.
People with diabetic neuropathy in their feet may have a false sense of security as to how much at risk their feet actually are. An ulcer under the foot can develop in a couple of hours. The primary goal of therapeutic footwear is to prevent complications, which can include strain, ulcers, calluses, or even amputations for patients with diabetes and poor circulation. Neuropathy can also change the shape of a person's feet, which limits the range of shoes that can be worn comfortably. In addition to meeting strict guidelines, diabetic shoes must be prescribed by a physician and fit by a certified individual, such as an orthotist, podiatrist, therapeutic shoe fitter, or pedorthist. The shoes must also be equipped with a removable orthosis. Foot orthoses are devices such as shoe inserts, arch supports, or shoe fillers such as lifts, wedges and heels. The diabetic shoes and custom-molded inserts work together as a preventive system to help diabetics avoid foot injuries and improve mobility. What makes a diabetic shoe unique? Many people wonder how therapeutic shoes will differ from a comfortable pair of sneakers. Here are some of the main characteristics of shoes specifically made for people with diabetes:
Chatacteristics of a diabetic or therepeutic shoe compared to a standard shoe include: a higher and/or more flexible toe box for circulation and friction control, moldable insoles, wider fit to reduce the chance of blistering and aid in circulation, and more depth for added stability. 
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- Therapeutic Shoes or Inserts, from medicare.gov. Accessed Nov. 1, 2013.