Ear-Nose and Throat Doctor (ENT) Questions Sinusitis

Could a sinus infection cause bad breath?

I usually get a sinus infection every year. I have also observed every time I am down with a sinus infection I have bad breath. Are the two connected? If so, why?

2 Answers

One of the leading causes of halitosis is sinusitis. Bacterial infections produce swelling and pus and those two produce bad odor.
Could be. Probably exhaling odors through nose. Bad breath frequently related to dietary intake, e.g. onions, garlic, etc., poor dental care
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