Nonfreezing tissue injuries are skin injuries caused by the cold. If your skin gets so cold it freezes, it's called frostbite. Common types of nonfreezing tissue injuries are:
Immersion foot is an injury from being in wet, cold socks or shoes for several days. It's sometimes called trench foot.
Your foot gets pale, damp, swollen, numb, and cold
To treat immersion foot, gently warm, dry, and elevate your foot
Your foot will become red and painful as it warms, and you may get blisters
For weeks after, your foot may be very sensitive and sweaty
Doctors may give antibiotics to prevent infection
Prevent immersion foot by:
Chilblains are places on your skin where you get itching, pain, redness, or swelling from being out in dry cold weather.