Frostbite is a cold, damp skin caused by local microcirculation. Local skin was purple edematous erythema, burning and itching, severe blisters, ulcers.
Frostbite is a local microcirculation disorder of the skin caused by cold and wet. Local skin is purple red edema red spots, has a burning and itching sensation, heavy blisters, ulcers.
Frostbite is a local microcirculation disorder caused by cold and damp. The local skin is purplish red, edematous erythema with burning and itching sensation, and blisters and ulcers appear in severe cases.