What causes cold urticaria?

In winter, when the temperature drops, there are obviously more people who get urticaria, covered in small rashes and itchy skin. Many people wonder: "I don't have urticaria, nor am I allergic." Why am I so delicate now? "

Experts say that urticaria affects about 10% ~ 30% of the global population. In other words, among people with an average of 10, at most three friends will get urticaria. Recurrent attack is one of the prominent symptoms of urticaria, erythema and wheal appear one after another, accompanied by severe itching. A few patients with visceral involvement may have symptoms such as fever, headache, nausea, vomiting, diarrhea and abdominal pain. In severe cases, it will also involve the larynx, causing shock such as dyspnea, and it is necessary to go to the hospital for diagnosis and treatment in time.

Why do more and more people get urticaria?

1, allergic constitution is hereditary.

If the mother is allergic, the child is 50% likely to be allergic; If the father is, the child has a 30% chance; If both parents are, the possibility of children's allergies is above 70%.

2, food, clothing, housing and transportation may cause allergies.

90% of food allergies are caused by milk, soybeans, eggs, wheat, peanuts, nuts, fish, shrimp and shellfish, and chemicals such as food seasoning, preservation, preservation and coloring are also dangerous substances that cause allergies; The paint, wallpaper and chemical fiber clothes we wear in the bedroom decoration may cause allergies; Also, life is always full of "newness". New appliances, new cosmetics, new foods, even natural species such as flowers and trees have produced many new varieties under the interference of human beings, and the types of allergic pollen are also increasing accordingly.

3. Environmental pollution

A study found that even in healthy people, 70% of people will have symptoms such as itchy skin and wheal in persistent smog weather, and air pollution has become the main pathogenic factor leading to urticaria.

4. Raise awareness of disease prevention.

In the past, people were not very clear about allergic urticaria, and they often treated it as a skin disease. Now many people will take the initiative to go to the hospital to see allergies.

5, antibiotic drug allergy, decreased immunity.

Antibiotics are used to kill bacteria. Antibiotics help us a lot when some bacteria are too strong for our immunity to resist. But more often, our immunity can completely destroy these bacteria, and antibiotics come and go, leading to immune imbalance.

The treatment of urticaria is mainly divided into four aspects:

The World Health Organization (WHO) suggests that the best treatment for allergic diseases is the "four in one" comprehensive therapy:

The diagnosis of urticaria must be confirmed as urticaria through allergen screening. After finding out the allergen, the allergen should be treated.

1, avoid contact with allergens. This is the best treatment, but it is difficult to completely avoid allergens in real life. For example, people who are allergic to indoor dust mites should pay attention to simple furnishings, do not have carpets and bookshelves in the bedroom, and try to use quilt covers and sheets made of materials with anti-mite function for bedding to keep them ventilated, clean and dry; In addition, the temperature should be appropriate, because mites like warm and humid environment.

2. Symptomatic treatment. Because the etiology of urticaria is complex, traditional control and treatment methods, such as hormones, antihistamines and anti-inflammatory drugs, are mild for the time being, but the condition will get worse after a period of time, which will have a great impact on the body, and long-term use will cause damage to the liver and kidney. Topical drugs generally choose hormone ointment, such as dexamethasone ointment and desonide cream. Although it can quickly control the symptoms of skin allergy, it will recur once it is stopped. Long-term use of hormone ointment will make the skin lose its normal defense and self-protection ability, and eventually lead to hormone-dependent dermatitis.

3. Adjust immune microecology and allergic constitution (etiological treatment). Urticaria refers to the immune dysfunction caused by allergen stimulation, which causes the abnormal increase of immunoglobulin E(IgE) in vivo. Repeated contact with allergens causes IgE antibodies to be produced in the body and adhere to immune cells for a long time, which leads to the secretion of inflammatory mediators such as histamine, thus endangering the external manifestations of immune response. It can be seen that the fundamental treatment of urticaria lies in controlling IgE and regulating the balance of immunoglobulin.

It is found that the use of Xin, Min and Kang anti-allergic probiotics can obviously alleviate the symptoms of allergic urticaria and effectively inhibit the production of specific IgE antibodies in vivo. Anti-allergic probiotics Xin, Min and Kang stabilize the balance of intestinal flora by colonization in the intestine, stimulate immune cells by human microorganisms, reduce the production of specific IgE antibodies in serum, reduce the secretion of cytokines related to allergic reactions, and reduce the stress response of immune cells to allergens, so that the disordered immune function tends to balance. After continuous use for more than 3 months, the concentration of IgE in the body decreases, so that allergens can no longer combine with IgE antibodies in the body, thus reducing the occurrence of allergic reactions.

If urticaria is serious, we should consider the combination of antiallergic drugs and antiallergic probiotics to get rid of the pain as soon as possible.