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Dakota Allergy & Asthma
2200 W 49th Street, Suite 104
Sioux Falls, SD 57105
Phone 605-336-6385
Fax 605-336-6513

What is Asthma?

What is

Asthma is a chronic lung disease that mainly affects the bronchial tubes by blocking airflow through them. During an asthma attack, the tubes become inflamed and obstructed, and the air sacs become enlarged. (See Diagram 1)

All You Need To Know About Asthma

Diagram 1

Changes in Airways

Bronchial tube obstruction may occur because of one or more of the following changes: (See Diagram 2)

Inflammation: Lining of the tubes becomes inflamed (irritated) and swollen

Bronchospasm: Smooth muscles surrounding the bronchial tubes constrict (narrow)

Mucus production: Mucus builds up in the tubes, and it may plug them completely

Diagram 2

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