New Eliciting Agents of Occupational Asthma

Opinion statement

Occupational asthma is a type of asthma that arises from exposures in the workplace. There are more than 400 known causes of occupational asthma and the list is growing. New causes of allergic occupational asthma involving high and low molecular weight agents are continuously being reported. Their knowledge is important for physicians and occupational health and safety professionals to maintain a high level of suspicion in exposed workers to these substances. The majority of new causes of allergic occupational asthma between 2011 and mid-2016 were seen with high-molecular-weight agents. Most new cases are observed in food and agro-alimentary industry, but also in the cosmetic industry, and frequently are associated with other IgE-mediated manifestations, especially allergic rhinoconjunctivitis and contact urticaria. Among the low-molecular weight agents, new acrylate and aldehyde compounds have been identified as eliciting agents of occupational asthma, as well as drugs, biocides, and other chemicals recently introduced in industry.

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