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Causes and Triggers of Asthma



Can pneumonia cause asthma? Also, can being out in cold weather cause asthma or just trigger it? Thank you


Asthma can be caused or triggered by viral infections which is often misdiagnosed as `pneumonia` or `bronchitis`. Asthma can be triggered by a multitude of allergic and non-allergic triggers. Non-allergic triggers include exercise, cold weather, viruses, irritants (ie. Smoke, perfumes), certain medicine such as beta-blockers or ACE-inhibitors and so forth. There is no evidence that cold weather can cause asthma but it is a major trigger for many sufferers.

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Response by:

Jonathan   Bernstein, MD Jonathan Bernstein, MD
Associate Professor of Medicine
College of Medicine
University of Cincinnati