Home > Health Library > Asthma Triggers
asthma trigger is a factor that can lead to sudden
difficulty breathing or other symptoms of asthma (asthma attack).
Some triggers are substances a person may be allergic to (allergens). Allergens cause the body's natural
defenses (immune system) to produce chemicals called
immunoglobulin E (IgE) antibodies. These chemicals bind to allergens, causing
inflammation of the bronchial tubes, which carry air
to the lungs. The allergen may also cause asthma attacks. These triggers
Other triggers can cause asthma symptoms without affecting
the body's immune system. These include:
Health Tools help you make wise health decisions or take action to improve your health.
Gibson PG, et al. (2003). Gastro-esophageal reflux
treatment for asthma in adults and children. Cochrane Database of Systematic Reviews (1). Oxford: Update Software.
Other Works Consulted
Guarnieri M, Balmes JR (2014). Outdoor air pollution and asthma. Lancet, 383(9928): 1581–1592. DOI 10.1016/S0140-6736(14)60617-6. Accessed May 6, 2014.
ByHealthwise StaffPrimary Medical ReviewerJohn Pope, MD - PediatricsSpecialist Medical ReviewerLora J. Stewart, MD - Allergy and Immunology
Current as ofSeptember 9, 2014
Current as of:
September 9, 2014
John Pope, MD - Pediatrics & Lora J. Stewart, MD - Allergy and Immunology
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