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Inflamed bronchial tubes in asthma

In asthma, the airways that carry air to the lungs (bronchial tubes) are inflamed. This can narrow the airways, causing shortness of breath and making it difficult to breathe.

Primary Medical Reviewer Caroline S. Rhoads, MD
- Internal Medicine
Specialist Medical Reviewer Harold S. Nelson, MD
- Allergy and Immunology
Last Updated May 15, 2007

WebMD Medical Reference from Healthwise

Last Updated: May 15, 2007
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