Peppercorns do not treat acute urticaria. Urticaria treatment is based on antihistamines to fight allergies, such as cetirizine. If the symptoms are severe, glucocorticoids such as prednisone can be used. 1. Acute urticaria is a kind of allergic reaction, usually induced by contact with certain foods, drugs, or mosquito bites. Typical symptoms are erythematous skin patches with well-defined, migratory borders and itching, which can usually be recovered within six weeks. 2. The treatment of acute urticaria is mainly anti-allergic treatment, the main drugs used are antihistamines such as loratadine and cetirizine. If the symptoms are serious, you can use glucocorticosteroids such as prednisone, but can not be used for a long time, the specific treatment program as prescribed by the doctor. 3. Pepper is a kind of daily seasoning, almost no anti-allergic effect. Peppercorns are irritating and may aggravate local symptoms, so they are not recommended for the treatment of urticaria. If acute urticaria occurs, it is recommended to go to the hospital in time, and early formal treatment.