Hives can be categorized into acute and chronic, generally acute hives may be cured in a few hours or days, if it is chronic hives, it may take months or years to be cured. Urticaria is a common skin disease, in the clinic can be divided into acute and chronic, so to determine the hives can be cured in a few days, need to be based on the actual situation, can not be generalized. If it is acute urticaria, the onset of the total time will not be more than 6 weeks, due to the rapid onset of the disease, so the timely removal of triggers within a few hours after the disappearance of their own, to take treatment measures can be cured in a few days. However, for chronic urticaria, due to the prolonged course of the disease, the condition will always recur, the total duration of the disease is more than 6 weeks, so relatively speaking, the treatment time is long, and it may take months or years to be cured. Patients need to avoid contact with allergens, do a good job of personal protection, pay attention to skin hygiene, regular routine, and keep a happy mood. In summary, if hives do not disappear within a short period of time, patients need to go to the hospital in a timely manner, and cooperate with doctors to actively treat.