The condition of allergy in the throat often causes itching in the throat, which may further cause recurrent coughing symptoms, and can lead to allergic symptoms in other areas, including the nose, eyes, trachea and bronchi, as follows: 1. Allergic symptoms of the nose, runny nose, itchy nose, sneezing and other symptoms of allergic rhinitis. 2. Allergic symptoms of the eyes: Patients may have itchy eyes, watery eyes and other allergic symptoms of the eyes. 3. Allergic symptoms of the trachea and bronchi: Some patients may further cause allergic symptoms of the trachea and bronchi of the lower respiratory tract, with more intense coughing and wheezing. . For these allergy symptoms, it is necessary to use oral anti-allergy drugs to treat and improve, such as oral dexloratadine, cetirizine hydrochloride and so on.