13 Symptoms And Common Signs Of Sinus Infection

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12. Bad Breath

Medical News Today

Another common sign of sinus infection is bad breath. This is because up the accumulation of mucus and saliva that tends to thicken, which in turn means that it doesn’t get to circulate and drain as it normally would. Another reason for foul-smelling breath due to a sinus infection is when the nasal passages are clogged, breathing has to be done through the mouth and all the trapped bacteria ends up causing a bad smell. Thankfully, there are a number of ways to deal with bad breath even when still dealing with a sinus infection. And once the infection goes away, normally the bad breath does too.