慢性咳嗽是指 3周以上的持续或反复发作性咳嗽[1] 。其病因复杂多样 ,治疗颇为棘手。本文对近 2年我院呼吸内科门诊 2 5 2例慢性咳嗽患者 ,进行了病因分析 ,其中慢性支气管炎 10 4人 ;慢性鼻炎、鼻副窦炎 5 1人 ;咳嗽变异性哮喘12人 ;高血压及冠心病服用ＡＣＥＩ药物者 2 7人 ; Chronic cough refers to more than 3 weeks of persistent or recurrent cough [1]. Its complex and diverse causes, treatment is quite tricky. This article for the past 2 years in our hospital respiratory medicine outpatient 2552 cases of chronic cough, etiology analysis, including chronic bronchitis 10 4; chronic rhinitis, nasal sinusitis 5 1; cough variant asthma 12; high ACEI blood pressure and coronary heart disease were 27;