Updated 03 May 2019

What is the difference between COPD and asthma?

Asthma is usually associated with allergic symptoms like hay fever and is caused by readily definable antigens. COPD should be considered in any patient who has a chronic cough, sputum production, shortness of breath and/or history of exposure to risk factors.

It is not always easy to determine where asthma ends and COPD starts.


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