Chronic pharyngitis, as a chronic inflammation of upper respirator congestion, features mucous membrane of pharynx and adenoid diffuse inflammation. The course of this disease can linger long and defies treatment.

• 慢性咽炎为咽部黏膜、黏膜下及淋巴组织的弥漫性炎症，常为上呼吸道慢性炎症的一部分，有时病程很长，症状顽固，不易治愈。