Rhinitis is a common disease. Many people think it is not a serious problem, are careless and delay treatment, and the condition worsens. Ear, nose and throat experts point out that rhinitis should not be underestimated as serious consequences can lead to serious consequences. Although rhinitis is a minor disease, it is very harmful. Since the five sense organs of the human body are connected, nasal cavity lesions will affect each other and involve adjacent organs. Dangers of Allergic Rhinitis Allergy is the body’s abnormal response to external allergens. Allergies can occur in many parts of the human body, and the most common organ where allergies occur is the nose. When the nasal mucosa comes into contact with external allergens, symptoms such as nasal itching, watery nasal discharge and sneezing will occur. Sometimes, symptoms such as itchy throat and watery eyes will also occur. If this happens for a long time, it can cause hypertrophy of the inferior turbinate, polypoid changes in the mucosa in the nasal cavity, blockage of the nasal cavity, obstruction of ventilation, and a series of symptoms. Due to the downward flow of nasal mucus, long-term irritation of the throat area can lead to the onset of pharyngitis; long-term untreated rhinitis, long-term edema and congestion of the nasal mucosa without repair can cause malignant hyperplasia, the formation of nasal polyps and even nasopharyngeal cancer; due to the influence of rhinitis, respiratory obstruction can cause Various tissues and organs throughout the body are hypoxic to varying degrees, causing symptoms such as memory loss, slow reaction, and periodic headaches. For children, long-term rhinitis can also affect intellectual development, and its impact on academic performance cannot be ignored.