Most chronic urticaria requires long-term medication, which can be gradually reduced or intermittently used after the disease is under control, and does not necessarily need to be used all the time. Chronic urticaria may be related to food and drug allergies, mental factors, diseases, abnormalities in blood clotting, etc. It is mainly manifested as irregular windy bumps on the skin or accompanied by erythema. The cause of chronic urticaria is complex, making it difficult to clarify, and the condition is often recurring, the course of the disease is prolonged, and can last for months or years, which leads to the need for patients to take medication for a long time, and after control, the amount of medication can be gradually reduced or intermittent medication treatment, and if you stop taking the medication before the disease is cured, the disease may recur immediately. Chronic urticaria patients in their daily lives, if found suspicious causes, should try to avoid, in order to reduce the number of episodes of the disease, and at the same time need to strictly comply with the doctor’s instructions to take medication, do not miss or stop, so as to avoid further aggravation of the condition.