Allergic rhinitis is a disease that is caused by serious damage to the respiratory system and is likely to be complicated by a number of diseases if left untreated. Once the complications of allergic rhinitis appear, it will bring more harm to the patient, which is why active treatment is needed. What are the complications of allergic rhinitis? 1, secretory otitis media: is a common complication of allergic rhinitis. The pharynx is involved and thus edema occurs, narrowing and obstructing the pharyngeal opening, causing negative pressure in the tympanic chamber and exudative fluid production in the middle ear. 2, allergic pharyngitis: allergic rhinitis complications include allergic rhinitis patients can also develop throat itching, cough, or mild hoarseness, and in severe cases, epiglottis and vocal fold mucosal edema leading to breathing difficulties. Nasal polyps: Repeated nasal mucous membrane congestion and edema lead to the formation of nasal polyps, blocking the nasal cavity causing ventilation disorders. 3. Bronchial asthma: The condition of the nasal cavity leads to failure of its viral defense function and invasion of the bronchi and even the abdomen. This complication of allergic rhinitis is relatively common. 4, allergic sinusitis: due to edema of the mucosa of the sinus mouth, resulting in nasal congestion and poor drainage, and sinus cavity progressive negative pressure, allergic rhinitis complications are also allergic rhinitis complications at this time, patients with allergic rhinitis more headache, such as accompanied by infection, can have allergic sinusitis produced. 5, smell disorder: nasal mucosa edema or nasal infection injury to the olfactory nerve. This is also a common complication of allergic rhinitis. Insomnia: Long-term nasal congestion makes it more difficult for people to sleep, resulting in poor sleep causing poor mental performance and concentration. 6. Breath-holding asphyxia: also belongs to the common complications of allergic rhinitis. Complications of allergic rhinitis include regular nasal blockage of large amounts of liquid, when a person falls asleep, the mouth habitually closed, which can cause the body to hold its breath, which can lead to serious asphyxiation. The above is the introduction of knowledge related to the complications of allergic rhinitis, I believe you should have a further understanding of this. When the symptoms related to allergic rhinitis are found, you should immediately go to the hospital for treatment so that the condition can be controlled in time and patients can recover their health as soon as possible.