What are the symptoms of frostbite

summary

Frostbite is a kind of situation that people's skin often appears because of cold weather in winter. Generally speaking, according to the different degree of frostbite, the symptoms are also different. This paper introduces the symptoms after frostbite.

What are the symptoms of frostbite

Symptom one: frostbite. It was superficial frostbite of the skin. The local skin was initially pale and gradually turned to blue purple. Then there was redness, swelling, itching, tingling and abnormal sensation. There was no blister formation. About one week later, the symptoms disappeared, the epidermis gradually fell off, and no scar was left after healing.

Symptom 2: second degree frostbite. For full-thickness skin frostbite, local skin redness, itching, burning pain, blisters can appear within 24-48 hours, if there is no secondary infection, after 2-3 weeks, blisters dry, forming black dry scab, after falling off, the wound is covered with new keratinized epithelium, local may have persistent stiffness and pain, but no scar and spasm.

Symptom 3: third degree frostbite. When the whole skin and subcutaneous tissue are frostbitten, the color of the skin will gradually change from the original pale to blue, and then to black. The skin feeling disappears. Edema and blisters appear in the tissue around the frostbite, accompanied by severe pain and burning itching. After the necrotic tissue falls off, there is a wound, which is easy to secondary infection, slow healing, scar after healing, and can affect the function Yes.

matters needing attention

After finding the symptoms of frostbite, we should take corresponding measures as soon as possible. First of all, we should make the patients quickly get rid of the cold environment, take off the cold clothes, shoes and socks, and give them heat preservation treatment. We can give the patients some warm food or drink a small amount of wine, but if they are not out of the cold environment, they should not drink.