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Family Physician
Family Physician, Doctor
Category: Medical
Satisfied Customers: 2592
Experience:  Emergency Medicine and Family Practice for over 26 years
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Periodically I smell carbon dioxide. Factors: I have MS. I

Customer Question

Periodically I smell carbon dioxide. Factors: I have MS. I am not too bothered by it except with heat. In this area(Manassas, VA, USA) the temperature has been Very hot. Also, I have been diagnosed with Hashimoto Thyroiditis. I would like to know the causes of smelling CO. Thank you
Submitted: 10 months ago.
Category: Medical
Expert:  Dr. David replied 10 months ago.

This is Dr. David

usually, carbon dioxide doesn't have a smell

you could be having inflammation of your sinuses or a mild sinus infection which could be causing you to have this smell.

why do you think you are smelling carbon dioxide?