Sinus infections: The yellow discharge id due to bacteria, usually h, influenza, staph, or strep. The bad breath can be from postnasal drip and the bacteria which smells getting to your throat.
Answered 2/20/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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