Hello; Urticaria is divided into acute and chronic, and it is a common allergic skin disease. Acute urticaria first felt itchy all over his skin, and then there were wind masses of different sizes (bright red or pale white). If it lasts for a few minutes to several hours or more than ten hours, it will fade without leaving a trace and can recur many times. Often accompanied by abdominal pain, nausea, vomiting and so on; Also accompanied by different degrees of fever; In severe cases, there are shock phenomena such as shortness of breath, asthma, dyspnea, pallor and blood pressure drop. Chronic urticaria has only wheals and itching on the skin, and the course of the disease lasts for months or even years. Besides antihistamines, it is suggested to use reserpine, vitamin K, aminophylline, vitamin B 12, Anluoxue, 6- aminocaproic acid, vitamin E, histamine globulin, transfer factor and procaine. Here's to health!