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Trench foot (immersion foot) is a cold injury that occurs gradually over several days of exposure to cold, but not freezing, temperatures. The name comes from World War I troops who developed symptoms after standing in cold, wet trenches.
Signs and symptoms of trench foot include:
First aid for trench foot includes rewarming the affected areas, relieving pain, and preventing problems such as infection or dead skin (gangrene).
Last Revised: April 15, 2013
Author: Healthwise Staff
Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & H. Michael O'Connor, MD - Emergency Medicine
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