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What happens during an asthma attack?

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Air is normally taken into the body through the nose and windpipe and into the bronchial tubes. At the end of the tubes are tiny air sacs called alveoli that deliver fresh air (oxygen) to the blood. The air sacs also collect stale air (carbon dioxide), which is exhaled out of the body.

During normal breathing, the bands of muscle surrounding the airways are relaxed and air moves freely. But during an asthma episode or "attack," the bands of muscle that surround the airways tighten and the lining of the airways swell up. Also, the cells that line the airways make more and thicker mucus. All that makes it harder for air to move in and out of the lungs. So you feel like you can’t get enough air.

From: Asthma and Allergies WebMD Medical Reference

SOURCES: 

American Academy of Allergy Asthma & Immunology (AAAAI):  “An Unwelcome Return: 10 Tips to Ease Your Spring Allergy Symptoms.” “Asthma Statistics.” "Tips to Remember: Outdoor Allergens.”

Cinquair. Prescribing Information.

FDA News Release. “FDA approves Cinqair to treat severe asthma.”

News release, GlaxoSmithKline.

Reviewed by Dan Brennan on July 18, 2019

SOURCES: 

American Academy of Allergy Asthma & Immunology (AAAAI):  “An Unwelcome Return: 10 Tips to Ease Your Spring Allergy Symptoms.” “Asthma Statistics.” "Tips to Remember: Outdoor Allergens.”

Cinquair. Prescribing Information.

FDA News Release. “FDA approves Cinqair to treat severe asthma.”

News release, GlaxoSmithKline.

Reviewed by Dan Brennan on July 18, 2019

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What are the most common symptoms of asthma?

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