Chronic pharyngitis is mainly caused by incomplete treatment of acute pharyngitis that recurs and becomes chronic, or due to various nasal diseases, nasal orifice obstruction, long-term mouth breathing, as well as physical and chemical factors, Radiation therapy of the neck often causes pharyngeal irritation.

Throatitis can be caused by a variety of causes, but most of them are caused by bacterial or viral infections. The symptoms may start like a cold, fever, and cough. When the inflammation spreads and invades the throat, a special kind of disease may appear. Broken bamboo-like coughing sound usually occurs at night.