【摘要】 持续性反复发作性干咳，尤以夜间和晨起为重，无喘息及全身感染症状是其临床特点。平喘药治疗可缓解症状。结合文献，对本病的病因、发病机制、诊断、治疗进行了讨论。指出早期诊断，长期正规用药，可达临床治愈。更多还原

【Abstract】 Cough variant asthma(CVA)is a kind of chronic recurrent dry cough without infectious signs and asthma.Anti-asthma drugs can improve symptoms.Combining with Literature,we discuss the cause,mechanism,diagnosis and treatment of CVA.Early diagnosis and formal drug treatment is important.更多还原