Itchy body with small red dots is mostly hives disease. Urticaria is usually caused by an allergic reaction to a substance to which the body is allergic, resulting in itchy skin, red dots, and bumps. The allergic substance can be food or airborne components, and the severity of the disease varies depending on the individual’s body type. The treatment of urticaria is mainly the use of anti-allergy drugs combined with topical topical medication, such as oral loratadine tablets, topical glycopyrrolate lotion, etc., for the acute short course of the disease recovery is faster. You should pay attention to the air environment and keep it as clean as possible, avoid seafood, mangoes, durian and other allergy-prone foods, and avoid smoking and drinking.