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Asthma Triggers

Table of Contents


Topic Overview

An 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 include:

Other triggers can cause asthma symptoms without affecting the body's immune system. These include:


References

Other Works Consulted


Credits for Asthma Triggers

Current as of: July 6, 2021

Author: Healthwise Staff
Medical Review: John Pope MD - Pediatrics
E. Gregory Thompson MD - Internal Medicine
Adam Husney MD - Family Medicine
Mary F. McNaughton Collins MD, MPH - Internal Medicine


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