How is frostbite on the hand? What should I pay attention to when I grow chilblain?

With the coming of winter, the weather is getting colder and colder. Many people have frostbite on their hands because they can't adapt to the change of weather. Frostbite not only affects the appearance, but also does great harm to the skin of their hands, so it is necessary to prevent and treat this disease in time. What caused the frostbite on the hand? What should I pay attention to when I grow chilblain?

1, reason

Frostbite is caused by the spasm and contraction of subcutaneous arterioles stimulated by freezing, which leads to poor blood circulation, blood stasis, hypoxia and tissue cell damage. It is characterized by skin hardening, redness and itching.

2. Frostbite can cause skin damage.

Epidermal layer injury

Frostbite can cause damage to epidermal tissue, leading to redness, swelling, burning sensation and itching of the skin. This kind of injury is easy to happen and cure.

Dermal layer injury

When frostbite is severe, the dermal layer of skin will be congested, swollen, edematous and even purulent after being stimulated by freezing.

Total skin injury

Due to the heavy degree of freezing, the damaged whole skin will cause severe chilblain, with large area, serious redness and swelling, pain and even ulcer or tissue necrosis.

3. What should I do if I get frostbite?

Pay attention to keep warm after frostbite, reduce the exposure of frostbitten parts to the environment and less contact with cold water; You can apply skin care products or chilblain medicine in moderation. If frostbite is seriously infected or inflamed, anti-inflammatory treatment is needed; More serious cases need to see a doctor in time and receive treatment according to the doctor's advice.

Keep warm from the cold

In winter, outdoor workers wear gloves, scarves and earmuffs. When necessary, they can wear masks to prevent facial icing and minimize skin exposure to damp and cold environment. You can also put a hot sticker on the sole pad to keep your feet warm; Wear sweat-absorbent cotton socks to prevent frostbite of wet toes.

Appropriate exercise

Proper physical exercise can enhance the body's ability to resist the cold.

4. Methods to prevent frostbite

1. Keep warm and rub your hands frequently.

2. Be moisture-proof, keep dry, and do housework at home, such as washing dishes and washing clothes. When the weather is cold, you can warm your hands with hot water, and you must dry them in time after washing, because moisture is an important influencing factor and an inducement of frostbite. Gloves, shoes, socks and hats should be loose and comfortable. If you love sweaty feet, you should choose comfortable and sweat-absorbing insoles to keep your feet dry. Women should avoid wearing pointed high heels, which will cause poor blood circulation in their feet. They should try to wear comfortable flat shoes.

3, strengthen physical exercise, promote blood circulation, improve the body's ability to adapt to the cold.

4. We should actively treat existing related diseases, such as malnutrition, anemia and some chronic diseases, which are also the causes of chilblain.