rate ICD - 10 J 45. ICD - 9 493 OMIM 600807 DiseasesDB 1006 MedlinePlus 000141 eMedicine med/177 emerg/43 MeSH C08.127.108 Asthma is a common chronic inflammatory disease of the airways characterized by variable and recurring symptoms, airflow obstruction, and bronchospasm . [ 1 ] Symptoms include wheezing , coughing ,