What are the causes and pathogenesis of chilblains?

Are you worried about getting frostbite in the winter? Do you have chilblains that grow on your hands and feet? I really want to touch the little heads of those who habitually get frostbite.

Causes of chilblains.

The symptoms of chilblain occur locally, but its causes are related to the whole body. The symptoms of chilblain occur in winter, but the cause is related to the previous year. The key to chilblains** is the "chill".

How does the cold enter the body? 1.Prolonged exposure to the cold.

2.Sudden transition from a warm place to a colder place. 3.

Rained. 4.I didn't blow dry my hair immediately after washing.

5.Ate food that was just taken out of the fridge and not heated.

A precursor to chilblains.

1.Bloating. 2.Back pain. 3.Stiff neck. 4.Headache. 5.When the temperature is low, the cheeks and the tip of the nose are red. If you have the above phenomenon, you should pay attention to the cold, otherwise it is easy to get chilblains in winter.

Lifestyle habits to prevent chilblains.

1.Warm. In the season when the temperature is unstable, keeping "thin at the top and thick at the bottom" can adapt to large temperature differences.

Shoes and socks and pants should be worn thickly, and the top should be worn thinly. Wear socks to sleep at night in winter. 2.

When the weather is hot, you don't need an air conditioner if you can blow a fan. 3.Blow dry your hair immediately after washing.

4.Immediately after the rain, boil a small bowl of ginger soup and drink. 5.

Soak your feet in hot water before going to bed.

In addition, extra care should be taken when you have a cold.

1.Try to take time off work to take a break. 2.Strengthens warmth. 3.Drink plenty of water. 4.Ventilation is sufficient. 5.If you can do the above four points, try not to take injections and medicines as soon as you catch a cold, and delay it for a few days, and it is best to delay until you have a cold.

The symptom of a cold is the body's automatic expulsion of cold, which is very uncomfortable, but can prevent frostbite in winter. The process of catching a cold in Western medicine is to use medicine to suppress the symptoms and stop the process of expelling cold. The symptoms disappear and the body is comfortable, but the cold remains in the body, and soon the cold will come again, or in the winter, you will get frostbite.

Chilblains are not caused by a temporary local cold, but rather a long-term accumulation of cold that manifests itself locally in winter.

Summary. It is more difficult to cut off the chilblains by the root, and it has a certain nature. Frostbite also requires a certain amount of attention and seriousness**.

Chilblains should be in a relatively cold environment** Attacked by the cold, resulting in blood not flowing or flowing smoothly, be sure to protect your hands and feet.

1. Chilblains are the body's abnormal response to cold. The cold will cause the blood vessels of ** to constrict, and local ** will appear ischemia and hypoxia, and metabolism will be abnormal. Over time, the blood vessels will show symptoms of paralysis and dilation, congestion, and plasma exudation, which will cause local tissue edema, blister formation, tissue necrosis, ulcer formation and other symptoms.

Humidity and wind speed can accelerate the heat dissipation function of the body surface, so the incidence of chilblains is higher in humid and windy areas in winter than in dry areas.

In addition, autonomic disorders, poor blood supply to the extremities, tight shoes and socks, excessive sweating of the hands and feet, lack of exercise, malnutrition, anemia and some chronic diseases are also often the main causes of this disease. Therefore, in daily life, we must pay attention to all aspects of adjustment work.

21. It mostly occurs on the back of the hand, the back of the foot, the fingers, the toes, the tip of the nose, the cheeks and the ears and other peripheral parts.

2. Frostbite is a purple-red lump or induration of the size of a localized broad bean to a fingernail, the boundary is not clear, the edge is bright red, ** bruised, cold to the touch, fading under pressure, and the recovery is slow after pressure, and there may be blisters in severe cases, which form ulcers after ulceration and do not heal for a long time.

3. There is no discomfort in the early stage, or there is a local numbness, and there is itching, swelling or burning sensation in the future, especially after warming, and pain can be felt when there are rotten ulcers.

4. It often begins to develop in early winter, and the climate warms up and can heal itself, and it is often repeated in the second winter.

5. It is more common in children, women or people with poor blood circulation.

31. After washing with warm water every day, apply chilblain ointment or pepper tincture externally, 2 3 times a day. When there is ulcer, apply 5% boric acid, 10% ichthytin ointment and other symptomatic **.

2. Niacinamide tablets can be taken orally, 3 times a day.

41. Quit smoking and carry out cold-resistant exercises in daily life, such as washing your face with cold water, washing your feet with cold water, or winter swimming.

2. When working in a cold environment, it is advisable to keep the limbs warm and dry.

3. Hands, feet, ears, nose and other exposed parts should be protected, shoes and socks should not be too tight, and replaced in time after sweating or wet.

4. The working time should not be too long in the cold environment, avoid long-term immobility of the limbs, and appropriate activities should be carried out after sitting for a long time or standing guard on duty to promote blood circulation and reduce the occurrence of chilblains.

5. It is not advisable to roast or scald with hot water immediately after being frozen to prevent ulceration into sores.

6. For the parts that are prone to chilblains, the warmth should be strengthened.

7. For those who develop the disease every year, it can be treated in winter and summer, and it is advisable to increase the intake of vitamin A, vitamin C and minerals before entering winter, and take niacinamide and calcium tablets orally to improve the body's cold resistance. Or apply ginger slices and chili peppers to the areas prone to chilblains, twice a day, to reduce or avoid the occurrence of chilblains.