Recurring hives for more than six consecutive weeks and at least two episodes per week are considered chronic urticaria. Some patients say that they have had five or six attacks a year, once every two or three months, and some doctors diagnose chronic urticaria, which is actually incorrect. What are the causes of urticaria? The causes of urticaria are complex, and for chronic urticaria more than 3/4 of patients are unable to find the cause. 1.Food and food additives allergy. 2. Allergies to inhaled things. Such as pollen, animal fur, feathers, fungal spores, dust, gas, etc. 3, infection factors, such as bacterial infection, viral infection parasitic infection, etc. 4, drugs, many drugs cause allergies. 5, physical factors, such as friction and other stimuli, as well as hot and cold stimuli, sunlight exposure, etc.. 6, mental factors and endocrine changes. For example, mental tension, emotional impulses and so on can also lead to hives. 7, some internal diseases, systemic lupus erythematosus, lymphoma, cancer, hyperthyroidism, rheumatoid rheumatism, mouth ulcers, gastritis, enteritis, cholecystitis and many other internal diseases will have urticaria. 8, genetic allergies. How can chronic urticaria be treated by Western medicine? To cure urticaria, regardless of Chinese medicine or Western medicine, the cause of the disease should be removed first. Even if you are not able to remove the cause, you should also reduce the various factors that promote the onset of the disease. However, many patients in the clinic often can not find the cause. At this point, medication is often able to cure. However, it is necessary to adhere to a sufficient course of treatment. Professor Liu Zhenfu of Tongji Medical University has cured a large number of patients with chronic urticaria clinically by using an anti-blocking amine plus an immune regulating drug in a stepwise decreasing method. For example: oral Pepcid tablets, one tablet once a day, thymidine tablets, 30mg a day, thymidine for three months, Pepcid tablets for once a month or once every two weeks when the disease is under control, reduced to every other day, every two days, etc. Gradually reduce the dosage to one tablet per week to try to stop the drug. Of course, this is only a prescription example, there are many anti-blocker drugs, choose one can control the disease can be. How can Chinese medicine solve the problem of chronic urticaria? Both Chinese and Western medicine can treat chronic urticaria, but according to personal experience, it is better to use a combination of Chinese and Western medicine. In addition to the above-mentioned Western medicine, Chinese medicine can effectively shorten the course of the disease. The Chinese medicine diagnosis is mainly divided into wind-cold, wind-heat, cold-damp, qi-deficiency, yang-deficiency, etc., and different prescriptions are given according to different types of clinical treatment. You need to find an experienced TCM dermatologist to take the pulse and write a prescription. Does TCM have special methods? For example, we often use self-blood therapy to extract blood from our own veins and beat it on the bilateral Quchi points or the foot Sanli points, which is very helpful to shorten the course of treatment, and for mild cases, the disease can be controlled by injections alone. There is also the Chinese herbal medicine Eucommia decoction for external washing, which can also effectively control the symptoms. In short, there are many treatment methods. To be cured or need to adhere to the treatment.