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Occupational asthma (OA) triggers and jobs

Specific OA Triggers and Jobs


Triggers Relevant Jobs and Workplaces
Flour, amylase and other enzymes
  • Bakers
Animal proteins
  • Laboratory workers
  • Animal researchers
  • Farmers
Plant proteins
  • Farmers
  • Greenhouse workers
  • Florists
  • Grain handlers
  • Forestry
  • Western red cedar workers
  • Carpenters
  • Farmers
  • Social workers
  • Laboratory workers (working with insects)
  • Hydro-electric workers (caddis flies)
  • Grain handlers, bakers
Enzymes such as protease, amylase and lipase
  • Detergent formulators
  • Laboratory workers
  • Pharmaceutical workers
  • Surgical instrument cleaners
Moulds and fungi
  • Contaminated offices and other work buildings
  • Cheese making
  • Forestry
Crab, prawn, shellfish and other fish proteins
  • Seafood (crab, snow crab, prawn) workers
  • Fish processing plants
Psyllium, natural rubber latex, detergent enzymes
  • Hospital and geriatric department nurses
  • Other health-care workers
  • Pharmacists, pharmaceutical manufacturing (psyllium)
  • Polyurethane, adhesives, paint workers
  • Spray painters
  • Foundry workers
Soldering flux (colophony)
  • Electronic workers
  • Jewellery, alloy and catalyst makers
Chromium, cobalt
  • Alloy, catalyst, refinery workers
Phthalic anhydride, trimellitc anhydride (used in epoxy resins)
  • Plastics industry
  • Dye makers
  • Insecticide makers
  • Organic chemical manufacture
  • Foam workers
  • Latex makers
  • Biologists
  • Embalmers
Gum Arabic
  • Printing industry
Nickel sulfate, chromium
  • Metal plating
Reactive dyes
  • Printing, fabrics
Glutaraldehyde, methacrylates, antibiotics and other medications
  • Hospital instrument cleaners
  • Dentists
  • Nurses
  • Pharmaceutical workers
Red cedar (plicatic acid) and other wood dusts
  • Woodworkers, furniture makers
Persulfates, indirect exposure to methyl and ethyl acrylates (artificial nails)
  • Hairdresser
  • Manicurist

*If there is something at work that you think is triggering your asthma but it is not listed above, please contact your health-care professional.


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