Also, do not try to remove calluses and corns with chemical agents. These products can burn the skin. Foot Ulcers Ulcers occur most often over the ball of the foot or on the bottom of the big toe. Ulcers on the sides of the foot are usually due to poorly fitting shoes. Remember, even though some ulcers do not hurt, every ulcer should get medical treatment.
Neglecting ulcers can result in infections, which in turn can lead to loss of a limb.
Keeping off the feet is very important. Walking on an ulcer can make it get larger and force the infection deeper into the foot. The doctor may put a special cast on the foot to protect it. Good diabetes control is important. High blood sugar levels make it hard to fight infection.