Triggers are things that irritate your lungs and make your asthma worse. Allergens and irritants are two different types of triggers. Allergens cause allergic reactions while irritants make your asthma symptoms worse by irritating your airways (breathing tubes).
Fungal spores (occupation example: working in classroom settings)
Common Triggers that are Not Allergens
Irritants – triggers that do not cause an allergic reaction but make your asthma worse by irritating your airways. examples include dusts, smoke, fumes and sprays (e.g. industrial sources, second-hand smoke, and cleaning products in buildings)
Weather (e.g. temperature or humidity extremes, smog)
Exercise and emotion
Viral or other respiratory infections related to work that can make your asthma worse (e.g. health-care workers or teachers)
Specific Work Allergens
Specific work allergens and sensitizers are usually considered causes of occupational asthma. In some cases, people who already have asthma may become allergic or sensitized to things at work that they would not usually come across outside the workplace. For example, a baker who has had asthma since childhood becomes allergic to the flour at work. Some specialists and compensation boards would consider this as occupational asthma, while others would consider this as work-exacerbated asthma.
Mixed exposures of common allergens and irritants. For example, cleaners exposed to dust mites, animals, fungal spores and also cleaning products.
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