| Patients who have a past medical history of asthma may have continued complications after being exposed to this pulmonary irritant. Irritant-induced asthma (IrIA) is a form of asthma that results from the nonimmunologic provocation of prolonged bronchial irritation and airflow obstruction. When a single, high-dose of irritant is used the term that is given is Reactive Airway Dysfunction Syndrome (RADS). [13, 14, 15] | | | |