Chronic pharyngitis is a chronic diffuse inflammation of pharyngeal mucosa, submucosa and lymphatic tissue, which is more common in adults. The course of disease is long, the symptoms are stubborn and difficult to cure. Most of them are caused by repeated attacks of acute pharyngitis or repeated stimulation of the pharynx by inflammatory secretions of various nasal diseases, tonsillitis, periodontitis and chronic inflammation of the respiratory tract. Excessive alcohol and tobacco, spicy food, various harmful gases or allergens can also cause chronic pharyngitis.

To treat chronic pharyngitis, it is necessary to strengthen outdoor exercise, strengthen physical fitness and improve immunity. Keep the indoor air fresh, avoid inhaling harmful gases, quit smoking and drinking, avoid spicy and irritating food, avoid cold food and have a light diet. Actively treat chronic respiratory inflammation such as rhinitis, tonsillitis, periodontitis and bronchitis. And local application of compound borax solution or 1:5000 furacilin solution to gargle, including buccal tablets, Chinese patent medicine has a good therapeutic effect, such as hair follicle hyperplasia in throat can be obviously treated by laser and low temperature plasma. Compound iodine glycerin can also be applied to the pharynx.