Hazards of Urticaria: Urticaria begins with local itching. After being caught, the skin is flushed, and bright red or white wheals of different shapes and sizes appear immediately, with severe itching, which can occur several times a day. Generally, rashes spread all over the body, and mucosal parts can also be involved. It can occur in the gastrointestinal tract, accompanied by abdominal pain and diarrhea, and can also occur in the laryngeal mucosa, which can cause laryngeal edema, dyspnea, chest tightness and suffocation, and even severe suffocation and death. Repeated publication of the author may be delayed for months or years. The causes of the disease are complex, and some of them are difficult to find the exact cause. Traditional Chinese medicine believes that this disease is caused by congenital endowment intolerance. ① exogenous wind-cold or wind-heat stagnation in the skin leads to imbalance between camp and health. 2 eat fish, shrimp, meat, fish, etc. Or improper diet leads to endogenous damp-heat, combined with wind, cold, wind-heat and gastrointestinal damp-heat, which cannot be vented internally and penetrated externally, and the pathogen is depressed in pathogenesis. ③ Usually, the body is weak, the qi and blood are insufficient, the qi deficiency, the external defense is not solid, and the blood deficiency leads to wind, which leads to repeated illness. (4) Lack of emotion, disharmony between chong and ren, stagnation of liver qi, stagnation of liver fire, excessive yin and blood, deficiency of liver and kidney, skin dystrophy and wind dryness. Western medicine believes that the causes of measles search are complicated, especially chronic measles search, which is not easy to find. In addition to various allergens, it is also closely related to personal sensitivity and heredity. Common reasons are: 1. Food is mainly animal protein, such as fish, shrimp, eggs, milk, crab, meat, mushrooms, strawberries and so on. Secondly, pigments, preservatives and condiments in food can also cause. Some foods can cause allergic reactions in the body, while some foods can be broken down into basic peptides released by histamine. Some protein can't fully absorb peptone and polypeptide, especially children's digestive function is poor, and the intestinal mucosal permeability is different from that of adults. The common antibiotics are penicillin, furazolidone, sulfanilamide, serum products, vaccines and other antigenic drugs, which cause allergic reactions in the body. Some drugs, such as aspirin, quinine, morphine, codeine and hydralazine, are histamine releasing agents. 3. Common infections are bacteria, viruses and fungi. ① Bacterial infection: common systemic and local infections caused by Streptococcus and Staphylococcus aureus, such as septicemia, pharyngitis, tonsillitis, sinusitis, cholecystitis, appendicitis, impetigo and furuncle. ② Virus infection: The most common virus causes upper respiratory tract infection, followed by hepatitis virus, coxsackie virus and EB virus. ③ Parasitic infection: such as roundworm, hookworm, pinworm, etc. ④ Candida and superficial fungal infection. 4. Physical and chemical factors usually include cold air, cold water, cold objects, heat, sunlight, oppression, friction and mechanical stimulation, and some chemical volatile substances. 5. Animal and plant factors, such as mosquito bites, animal feathers, dander, nettles, poison ivy, pollen, etc. 6. Visceral diseases such as tumor, lupus erythematosus, infectious mononucleosis, rheumatism, liver disease, nephropathy, endocrine disorder and metabolic disorder. Mental factors: emotional excitement, mental tension. ⒏ Some genetic factors are related to hereditary allergic qualities, such as familial cold urticaria and hereditary angioedema. Urticaria should eat more fresh fruits and vegetables rich in vitamins or take vitamins C and B, or B 6 in group B. Eat more alkaline foods, such as grapes, green tea, kelp, tomatoes, sesame seeds, cucumbers, carrots, bananas, apples, oranges, radishes, mung beans and nuts. Do not eat animal protein food and seafood, do not eat spicy food, do not drink alcohol. Keep your diet light, have more rest, don't be tired, and exercise moderately. Try using antihistamines such as diphenhydramine, chlorpheniramine and cyproheptadine. If the systemic symptoms are serious, prednisone and sulfhydryl can be used. Traditional Chinese medicine also has good curative effect, such as Cortex Dictamni Radicis, Kochia scoparia, Periostracum Cicadae, Lygodium japonicum each 15g, decocted in water. Chlorpheniramine is the most effective drug. I took chlorpheniramine when I had urticaria, hehe ~