Symptoms of allergic pharyngolaryngitis include irritating dry cough, foreign body sensation in the pharynx, dysphagia, dyspnea and so on. 1. Irritating dry cough: discomfort in the pharynx occurs at night or early in the morning, which is characterized by an uncontrollable desire to cough, but no phlegm is coughed up. 2. Foreign body sensation in the pharynx: It is felt that there is a foreign body in the pharynx, mostly at night or in the early morning. In the later stage, there will be itching and pain in the pharynx. 3. Dysphagia: manifested as difficulty in swallowing or inability to complete normal swallowing. 4. Difficulty in breathing: the patient feels that there is not enough air, and he needs to breathe hard or open his mouth to breathe, but his breathing feels smoother when he is sitting. If the above symptoms occur, it is recommended to consult a doctor in time and standardize the treatment under the doctor’s guidance to avoid further development of the disease.