The specific duration of medication for chronic urticaria depends on the patient’s condition and cannot be generalized. The choice of medication is based on the principles of safety, effectiveness, convenience and regularity. If you are taking western medicine, antihistamines are the drug of choice and are usually taken for a long time, usually setting the course of treatment at one month. If the Chinese medicine is adjusted, it is recommended that the Chinese medicine internal adjustment, need to look at the state of the body, generally 2-3 months to adjust the more balanced, adjusted to a more stable when the hives are less likely to recur.