Congestion: Sinus membranes swell and secrete mucous which fills the sinus. This creates the same scenareo as an abscess.
Answered 7/29/2014
5.6k views
4 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
4 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
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