목적: 1. To examine the relationship between various demographic factors and the development of ILO. 2. Assessment of therapeutic techniques ( amitriptyline, Pulmicort nebulization, speech therapy ) and its impact on treatment outcomes. 방법:A retroactive study of 40 patients who attended combined laryngology and pulmonary clinics with a complaint of shortness of breath refractory to conventional asthma treatment. VHI &RSI and Spirometric measurements were obtained before and after medical and cough impression therapy. 결과:All patients had a high RSI and VHI before treatment. These numbers dropped significantly after the therapy p-value (<0.05). A flattened inspiratory loop on spirometry was observed in less than 30% of patients. 결론:ILO is a clinical diagnosis that requires a collaborative multidisciplinary treatment approach between a laryngologist, pulmonologist, and speech-language pathologist. Condition explanation combined with speech and cough impression therapy is an effective method of alleviating patients' symptoms