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Asthma Triggers
What are asthma triggers?
Asthma triggers are things that can cause an asthma flare-up. They include the things listed in the table below. Your health care provider can help you know what your triggers are and how to manage them.
Allergens
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Pollen (trees, grasses, and weeds)
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Mold
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Pets (cats, dogs, hamsters, and birds)
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Dust and dust mites
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Cockroach droppings
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Mice and other pests
Irritants
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Strong odors and sprays, such as perfumes, household cleaners, paints, and varnishes
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Chemicals, such as coal, chalk dust, or talcum powder
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Air pollutants, such as ozone and chemicals in the air
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Weather conditions, including cold or wind, or hot, humid weather
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Chemical exposure on the job, such as dust, gases, or fumes
Sensitivity to medicines and food preservatives
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Aspirin
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Nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen and naproxen
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Sulfites used as preservatives in foods and drinks
Emotions
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Anxiety
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Stress
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Depression
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Anger
Online Medical Reviewer:
Chris Southard RN Online Medical Reviewer:
Jessica Gotwals RN BSN MPH Online Medical Reviewer:
Rajadurai Samnishanth Researcher Date Last Reviewed:
3/1/2025
© 2000-2025 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
