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What causes cough-variant asthma?

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Like "classic" or "typical" asthma, experts don't know what causes cough-variant asthma. Coughing may start after people are exposed to allergens, or when they breathe in cold air, or after they've had an upper respiratory infection. And a cough that starts after a person begins to take meds called beta-blockers is likely to be cough-variant asthma. Aspirin-sensitivity is another cause of coughing with asthma.

From: Cough-Variant Asthma WebMD Medical Reference

SOURCES: American Academy of Allergy, Asthma & Immunology.

National Lung Health Education Program: "Chronic Cough."

Dicpinigaitis, P. , Jan. 2006. Chest

Reviewed by Carol DerSarkissian on August 07, 2019

SOURCES: American Academy of Allergy, Asthma & Immunology.

National Lung Health Education Program: "Chronic Cough."

Dicpinigaitis, P. , Jan. 2006. Chest

Reviewed by Carol DerSarkissian on August 07, 2019

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How is cough-variant asthma diagnosed?

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