Home > 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
September 12, 2012
Patrice Burgess, MD - Family Medicine & Donald R. Mintz, MD - Otolaryngology
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