There are three possible conditions that can result from exposing the feet to extreme cold for an extended period: chilblains results from exposure to dry cold. Frostbite occurs when the water in the skin actually freezes. Immersing the feet in cold water over an extended period or wearing wet footwear in very cold weather can cause the condition known as immersion foot. It is sometimes known as trench foot, because it was common among soldiers in the trenches during World War I. In immersion foot, blood vessels rupture and can cause extensive damage to the foot muscles. Symptoms include tingling, itching and severe pain followed by blistering. In severe cases, gangrene can develop. Even after the foot heals, it may be more sensitive to cold, and pain may persist for years. A foot specialist in your area can provide you with more information on immersion foot.
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