Home > Patients & Visitors > Health Library > Sinusitis and Mucous Membrane
The nose and the sinuses are lined with a membrane that
If the mucous membrane becomes inflamed, it may swell,
blocking the openings that drain the sinuses. Mucus inside the sinuses then
becomes trapped. Both the inflammation and the pressure of trapped mucus cause
pain. Also, bacteria trapped in the mucus can grow, causing a bacterial sinus
ByHealthwise StaffPrimary Medical ReviewerPatrice Burgess, MD - Family MedicineSpecialist Medical ReviewerMartin J. Gabica, MD - Family Medicine
Current as ofJuly 29, 2016
Current as of:
July 29, 2016
Patrice Burgess, MD - Family Medicine & Martin J. Gabica, MD - Family Medicine
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