Urticaria is a relatively common disease that can develop in all age groups, and it is divided into two types: acute and chronic. There is also chronic urticaria, which is common in people with chronic diseases and reduced immunity. After stabilizing chronic diseases, increasing physical fitness and balancing immune function, urticaria will disappear automatically. However, if urticaria occurs frequently, itching is intense and affects normal life, it should be treated with medication, such as cetirizine tablets, loratadine tablets and epalrestin tablets.