ISSN: 1758-4272

International Journal of Clinical Rheumatology

Occupational Asthma

 Occupational asthma is new inception asthma or the reappearance of previously quiescent asthma directly caused by exposure to an agent at workplace. It is an occupational lung disease and a kind of work-related asthma. Agents that can persuade occupational asthma can be grouped into sensitizers and irritants. Sensitizer-induced occupational asthma is an immunologic form of asthma which arises due to inhalation of specific substances (i.e., high-molecular-weight proteins from plants and animal origins, or low-molecular-weight agents that include chemicals, metals and wood dusts) and arises after a latency period of several weeks to years. Irritant-induced (occupational) asthma is a non-immunologic form of asthma that outcomes from a single or multiple high dose exposure to irritant products. It is frequently develops early after exposure; however can also develop insidiously over a few months after a massive exposure to a complex mixture of alkaline dust and combustion products, as shown in the World Trade Center disaster

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