Symptoms of frostbite on the feet

summary

Chilblain often occurs in winter, mostly in the auricle, hands, feet and other places, local red, purple, swelling, itching pain, sometimes blisters, erosion, ulceration, knot crazy. If there is no infection, it will heal after warm weather. But the next winter is easy to relapse.

Symptoms of frostbite on the feet

The typical lesions were localized finger cap, broad bean size, dark purple red swelling, edematous plaque or induration, unclear boundary, bright red edge, cyan purple center, intense and bright surface, cold touch, fading pressure, and slow recovery after decompression. Severe swelling increased, the surface can form blisters, containing pale yellow or bloody serous, blisters can form erosion or ulcer. Most of the cases occurred in the distal part of the limbs, especially in the fingers, the back of the hand, the edge of the foot, the heel, the cheek, the auricle and so on. Most of them occurred in children and young women, especially in patients with poor blood supply of extremities and hyperhidrosis of hands and feet. They felt itching, burning and swelling. Itching is aggravated after heating, and those with erosion or ulcer feel pain consciously. Every winter, it gets sick and recovers after warm weather.

Generally, when the skin layer of human body is in a cold state for a long time, frostbite is easy to occur. Generally, the typical skin lesions are localized finger cap, broad bean size, dark purplish red swelling, edematous plaque or induration. The boundary is unclear, the edge is bright red, the center is purplish blue, the surface is tense and bright, the touch is cold, the pressure is faded, and the skin is cold The recovery was slow after decompression.

However, for patients with relatively severe disease, obvious blister signs may even appear on the surface of frostbite, and the light yellow or bloody serous in blister, erosion or ulcer may be formed after blister rupture. Most of the cases occurred in the distal part of the limbs, especially in the fingers, the back of the hand, the edge of the foot, the heel, the cheek, the auricle and so on.

matters needing attention

It is suggested that mild frostbite patients can directly use frostbite ointment for smearing, and can take appropriate warm water to soak the affected area every day, and then massage, so as to improve the disease of frostbite.