咳嗽变异性哮喘又称过敏性咳嗽。小儿咳嗽变异性哮喘是儿童哮喘的一种潜在形式,同样也是引起小儿慢性咳嗽的常见病因之一。然而咳嗽变异性哮喘缺少临床体征,极易误诊为其他呼吸道疾病。而且咳嗽变异性哮喘治疗困难,不少家长因患儿反复咳嗽,应用大量抗生素和中药等治疗,仍迁延不 Cough variant asthma, also known as allergic cough. Pediatric Cough Variant asthma is a potential form of childhood asthma and is also one of the most common causes of childhood chronic cough. However, cough variant asthma lack of clinical signs, easily misdiagnosed as other respiratory diseases. And cough variant asthma treatment difficulties, many parents because of repeated cough in children, the application of a large number of antibiotics and Chinese medicine treatment, still not to delay