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trench foot

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:

  • red skin that turns pale and swollen.
  • numbness or burning pain.
  • leg cramps.
  • no actual freezing of the skin.
  • a slow or absent pulse in the foot.
  • development of blisters or ulcers after 2 to 7 days.

first aid for trench foot includes rewarming the affected areas, relieving pain, and preventing problems such as infection or dead skin (gangrene).

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this information does not replace the advice of a doctor. healthwise, incorporated, disclaims any warranty or liability for your use of this information. your use of this information means that you agree to the terms of use and privacy policy. to learn more about healthwise, visit healthwise.org. © 1995-2022 healthwise, incorporated. healthwise, healthwise for every health decision, and the healthwise logo are trademarks of healthwise, incorporated.

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