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A member asked:
Is bad breath due to a sinus infection or maybe something worse?
5 doctors weighed in across 2 answers
Maybe: Sinus infections can certainly do that. Are you having any nasal symptoms like congestion, purulent nasal discharge, facial pain? There are many other reasons for halitosis though: from simple postnasal drip, to food and bacteria on your teeth and tongue, to a problem with the tonsils.
Answered 5/4/2015
5.9k views
Several causes: Bad breath could be from a sinus infection, gastric reflux, or gum disease.
Answered 5/3/2013
5.7k views
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