Hand fast to produce symptoms of frostbite

summary

Chilblain is common in winter, due to the cold weather caused by local skin repeated erythema, swelling damage, severe cases can appear blisters, ulcers, course of disease is slow, warm climate after self-healing, easy to relapse. Is hand fast the symptom that wants to give birth to chilblain? Let's talk about it

Hand fast to produce symptoms of frostbite

Chilblain often occurs in early winter and early spring, especially in children, women and those with poor peripheral blood circulation. These patients are often accompanied by cold skin, cyanosis and hyperhidrosis. Skin lesions often occur in fingers, back of hands, face, auricles, toes, foot margin, heel and other places, often distributed on both sides.

The common damage is localized congestion dark purplish red swelling edema erythema, the boundary is not clear, the edge is bright red, the surface is tense, glossy, soft. The color will fade after local pressing, and the red color will gradually recover after pressure removal. Serious person can produce blister, rupture to form erosion or ulcer, after healing, remain pigmentation or atrophic scar. Itching is obvious, aggravating after meeting heat, and sore after ulceration.

There is a special type of chilblain commonly seen in women's thighs. Clinically, there are characteristic blue and red infiltrative spots symmetrically distributed on the lateral side of the thigh, occasionally secondary ulcers and follicular angle embolism. These damages are completely related to cold exposure and subside in warm environment.

matters needing attention

1. Strengthen exercise, promote blood circulation, improve the body's ability to adapt to cold; 2. Pay attention to antifreeze, keep warm, prevent moisture, do not wear tight shoes and socks; 3. It is not suitable to soak in hot water or bake immediately after freezing; 4. The patients with other related diseases should be treated actively;