Allergic pharyngitis is a disease on the respiratory tract, mostly cough and fever, throat inflammation and immune deficiency, judging from all these aspects. 1. Cough and fever. Allergic pharyngitis will all come with a cough and fever, at first it will only feel more itchy, itchy throat, constant inflammation will make some changes in the throat, bringing a constant cough, and it is usually a dry cough with very little phlegm. In addition to coughing, it is still easier to get a high fever. 2. Inflammation of the throat. Allergic pharyngitis is a physical failure of the respiratory system with inflammation at the throat, the throat will feel very dry at first, and will be accompanied by a bout of itching, which is a great feature of pharyngitis, allergic pharyngitis will also be more obvious. 3. Low immunity. The flu and cough fever keep coming, naturally bringing the body’s immune system low. Therefore, when the external weather changes, the human body will always feel uncomfortable, pharyngitis will recur, and the possibility of cure is not very harmful to the human body. Although pharyngitis is a very common and minor disease, it is still important to treat it early so that the possibility of cure will be higher.