NORTH KOREA COUNTRY HANDBOOK

increased warmth, and a sensation of itching after rewarming. Superficial
blisters or ulcers may appear with repeated episodes.
Treatment
■ In the initial stages, gradually rewarm exposed area(s) at room
temperature.
■ If the face is involved, you may simply hold a warm hand to the area.
■ If the hands are affected, place them in the armpits or crotch.
■ If blisters form, gently cleanse the area and protect it to avoid
infection.
Prevention
■ Avoid prolonged exposure to the elements.
■ Protect the obvious exposed areas with adequate clothing and
covering.
Trench Foot/Immersion Foot. Trench foot and immersion foot are
injuries caused by the prolonged exposure of skin to cold water or
dampness at temperatures usually ranging from just above freezing to
50°F. In the early stages, the feet and toes are cold, numb, and stiff, and
walking becomes difficult. The feet smell, swell, and become painful.
Treatment
■ Gentle drying, elevation, and exposure to temperatures of 64° to
72°F.
■ Bed rest, cleanliness, and pain relief.
Prevention
■ Change to dry socks three times daily or as often as necessary.
■ Use foot powder.
■ Wear VB boots.
■ If leather boots are worn, dry them whenever possible.
Hypothermia. Simply stated, hypothermia is a lowering of the temperature
of the body’s inner core. This happens when the body loses heat
faster than it can produce it. The potential for this condition will be
F-15