The reader, Ms. Li, asked: As long as the weather is cold, I can easily develop long-term frostbite, erythema, swelling, chapped and other symptoms in the hands, ears, face, and feet. What should I do?
Xi Jianyuan, professor of dermatology at the First Affiliated Hospital of Hunan University of Traditional Chinese Medicine, answered: It is easy to cause tissue damage and necrosis of the hands, feet, ears, and face after prolonged exposure to temperatures below 10°C. Women, children, and lack of activity are frequent. Some people After a frostbite, it will grow again every year. This is because the tissues in the area of frostbite are not completely repaired, and the blood vessels and skin form a 'memory'. To prevent frostbite, we must first pay attention to antifreeze, keep warm, do not go through tight footwear, and go out. Wear gloves. After a long outdoor activity, if your hands are cold, do not immediately immerse or bake it in hot water. Pour bubbles in water at about 20°C and poke your hands. Allow the temperature to recover and then soak in hot water. Chilblain can apply chilblain cream, dry hands after absorption. If the hands appear chapped, desquamation, do not directly contact the sewage, cleaning agents, etc., wear plastic gloves. Every year, people who suffer from frostbite need to strengthen exercise, improve the body For the ability to adapt to cold, appropriate treatment before winter and promote local blood circulation.
