What should I do if my hand is frostbitten?

As we all know, when exposed parts of the human body are stimulated by cold, frostbite will occur. In people's imagination, the peak of frostbite should appear in the cold period of winter, but this is not the case. Experts pointed out that hand and foot frostbite, especially foot frostbite, mostly occurs in late autumn and early winter when the weather is not too cold. Therefore, it is called the first frostbite peak in the whole year. The best time to prevent frostbite is also in late autumn and early winter. Countermeasures: The specific method to prevent frostbite is to soak the parts where frostbite often occurs in previous years, such as hands and feet, with cold water in late autumn and early winter. Soak for half an hour every day and soak for another hour. Secondly, pay attention to local warmth, such as using masks, gloves, wind earmuffs, scarves and so on. When going out in cold weather. Shoes should also be warm, but not too tight. In addition, it can be worn properly. Mutton should be used as an isothermal food supplement to enhance the body's cold resistance. If a person is diagnosed with yang deficiency and internal cold by Chinese medicine, Chinese patent medicines such as Liuwei Dihuang Pill can be taken orally as soon as possible as a precaution. Health reminder: disease prevention: chilblain, skin disease diet adjustment: winter is the best time to tonic health, and drinking more soup is a good way to enhance physical fitness. Chicken soup, bone soup, fish soup and vegetable soup can enhance the body's resistance and purify the blood. Fitness exercise: strengthen exercise. The injury caused by low temperature and cold attack of breathing aerobics is called frostbite. Frostbite can be local or systemic (frozen stiff), which is mostly caused by cold, humidity and tight clothes and shoelaces. It often occurs in skin, hands, feet, fingers, toes, ears and nose. Frostbite is divided into four degrees. Frostbite is the lightest at one time, which is also a common "frostbite", and it is damaged in the epidermis. The frozen skin is red, swollen and congested, and feels hot. No scars. Second-degree frostbite hurts epidermis and dermis, accompanied by blisters besides redness and swelling. Blister can be bloody liquid, and edema, severe pain and dullness can appear in the deep part. Third-degree frostbite hurts the whole skin, showing black or purple-brown, and the pain is lost. It is difficult to heal after injury, and there may be long-term allergy or pain besides scar. Fourth-degree frostbite damages the skin, subcutaneous tissue, muscles and even bones, and necrosis may occur. Scars may form after healing. In the process of treatment, you must first get rid of the cold environment, take off your wet clothes and put yourself in warm water to gradually regain temperature. If necessary, artificial respiration is feasible for severe frostbite all over the body to enhance heart function, resist shock and replenish water. In addition to rewarming and massage, frostbite can also be rubbed with alcohol and pepper water, which has a good effect, or rubbed with 5% camphor alcohol and various chilblain cream, which also has a certain effect. If there are blisters on the second degree frostbite, it will have a certain effect. Then paint chilblain cream. Third-degree and fourth-degree frostbite should be treated with warmth. Prevention of frostbite is mainly to keep warm and enhance cold resistance. In winter, many people's hands, feet and ears are easy to freeze, which leads to frostbite, pain and itching, and some even purulent infection. In addition to the cold weather, there is another important factor closely related to blood circulation. In winter, people have less activities, less blood circulation and slow metabolism. Feet are prone to congestion, causing local tissue necrosis and frostbite. In order to prevent frostbite, besides keeping warm, the best way is to rub and massage your hands, feet and ears frequently, and insist on washing your hands and face with cold water or appropriate physical activities to speed up blood flow. In the early stage of frostbite, fresh pepper, two tomato roots, three fresh orange peels, eight pieces of ginger and fifteen roses can be used. First, you can use peppers, tomato roots and ginger. Add roses, fry the orange peel for eight minutes, and soak your hands and feet in the juice once a day. If the wound has healed, it can be used. Prevention and treatment of chilblain chilblain is the most common skin disease in winter, which mainly occurs in exposed parts of the body and limbs far away from the heart, such as ears, nose, hands and feet. ① Physical exercise: This is the best way to prevent frostbite. Improve the body's adaptability to cold through physical exercise. ② Cold-proof preparation method: When working outdoors in winter, be sure to eat enough and wear warm clothes, and make all kinds of cold-proof preparations. For example, wear gloves, hats and cotton shoes. Keep the clothes in your body dry. Always rub some icing grease on your ears, face, hands and feet to protect your skin. 3 cold and warm water method: In order to prevent frostbite, you can usually rub it with cold water. Washing the frozen parts with warm water before going to bed every night can increase the cold resistance of these parts. ④ Garlic method: For the parts prone to frostbite every year, this method can be used before the arrival of winter. Take a garlic, mash it, heat it in the sun, rub it gently on the frostbite-prone part repeatedly until small bubbles appear locally, and then use a disinfectant needle to break the bubbles. This method can make local qi and blood unblocked and reduce the occurrence of frostbite. ⑤ Health. Cut radish or green radish into large pieces (slices), put them on the fire, then gently rub the parts that are easy to be frostbitten, bake them again after cooling, and rub them until the radish is completely hydrated. This method can prevent frostbite and treat frostbite. ⑥ Ginger (slicing) method: Gently rub the frostbite with a piece of ginger until there is fever, or use a piece of fresh ginger to simmer by the stove, then slice it and rub it on the affected area. Or 50 grams of ginger.