Anyone can get the foot problems listed below. For people with diabetes, however, these common foot problems can lead to infection and serious complications, such as amputation.
Athlete's foot. Athlete's foot is a fungus that causes itching, redness, and cracking. Germs can enter through the cracks in your skin and cause an infection. Medicines that kill the fungus can treat athlete's foot. These medicines come in pills or creams. Nails that are infected with a fungus may become discolored, thick, and brittle and may separate from the rest of your nail. In some cases, your nail may crumble. The dark, moist, and warm environment of shoes can help a fungus grow.