Symptoms of frostbite on the arm

summary

I'm 23 years old now. I'm in good health and seldom get sick. But in the winter of a few years, I came back from a month's tour in Sanya. But not long after I got home, I found that there were small bumps on my toes, and I felt stiff when I touched them, Sometimes at noon, there are still some itching on the affected area. My friend said that my condition may be frostbite on my feet and frostbite on my arms. Let me tell you about it.

Symptoms of frostbite on the arm

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.

The disease mostly occurs in young women, generally thought that the blood at the end of the limbs is not smooth or the hands and feet are prone to sweating patients are the most common, consciously itching, burning, 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.

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.