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Asthma and Developing Bad Odors



My five year old son has allergies and has symptoms of asthma according to doctors although it is seasonal. My concern is sometimes he has bad smell around him. I wonder whether its anything to do with asthma. What could be causing the smell?(it's not a bad breath smell)


Asthma, and the medicines used to treat it, do not typically cause any change in body odor. Some patients with asthma are prone to sinus infections - which can cause bad breath. That situation is about the only time I can recall parents expressing concerns that their child "smelled different."

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Response by:

Elizabeth D Allen, MD Elizabeth D Allen, MD
Clinical Associate Professor of Pediatrics
College of Medicine
The Ohio State University