Occupational asthma overview

Asthma is defined as a respiratory disease caused by narrowing of the air passages that is synonymous with difficulty in breathing, tightness of chest, nasal irritation, coughing and wheezing.

Occupational asthma is defined as:

“A disease characterized by variable airflow limitation and/or airway hyper-responsiveness due to causes and conditions attributable to a particular occupational environment and not stimuli encountered outside the workplace”.^[1][2]