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慢性咽炎是咽部粘膜、粘膜下及淋巴组织的弥漫性炎症,是一种发病率高而又不容易治愈的疾病。导致慢性咽炎的病因很多,如在工业高速发展、空气污染日趋严重的大城市,由于空气中粉尘和有害气体的刺激,使慢性咽炎的发病牢明显增加;而长期烟酒过度会刺激咽部粘膜充血,更是导致发病的诱因;鼻腔和鼻窦疾病使鼻腔堵塞而长期张口呼吸,干燥的空气或分泌物会长期刺激咽粘膜引起炎症;咽部周围的炎症如慢性扁桃体炎亦可波及到咽部;
Chronic pharyngitis is diffuse inflammation of pharyngeal mucosa, submucosa and lymphoid tissue, which is a disease with high incidence but not easy to cure. Causes of chronic pharyngitis are many causes, such as the rapid development of industrial, air pollution is increasingly serious in the city, due to airborne dust and harmful gases to stimulate the incidence of chronic pharyngitis significantly increased; and long-term tobacco and alcohol will stimulate the pharyngeal mucosa Congestion and more is the leading cause of morbidity; nasal and sinus diseases block the nasal passages and long-term mouth breathing, dry air or secretions long-term stimulation of pharyngeal mucosa caused by inflammation; inflammation around the throat, such as chronic tonsillitis can also affect the throat ;