咳嗽变异性哮喘是以咳嗽为主要临床表现的支气管哮喘。我科收治18例,男12例,女6例;发病年龄～3岁4例,～6岁6例,～9岁8例;病程1/2～2年12例,～4年4例,～6年2例。有过敏性鼻炎和湿疹各3例,哮喘家族史4例,发作期伴有荨麻疹2例;4例家有芒果种植园,每年发作均在芒果收获季节;16例有长期被动吸烟史。咳嗽常在夜间或清晨发作,大部分伴胸闷,运动后症状加重而无喘鸣,胸片仅5例示肺纹理增多,嗜酸性白细胞绝对计数< Cough Variant asthma is a bronchial asthma with cough as the main clinical manifestation. In our department, 18 cases were treated, including 12 males and 6 females. The age of onset was 3 years old in 4 cases, 6 years old in 6 years and 8 cases were in 9 years old. The course of disease ranged from 1 to 2 years to 12 cases in 4 years, ~ 6 years in 2 cases. There were 3 cases of allergic rhinitis and eczema each, 4 cases of family history of asthma, 2 cases of urticaria accompanied by attack; 4 cases of mango plantation home, each year in mango harvesting season; 16 cases had long-term passive smoking history. Cough often at night or early morning attack, most with chest tightness, aggravating symptoms after exercise without wheezing, only 5 cases of chest X-ray showed increased lung texture, absolute eosinophil count <