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From Mold Exposure. Sinus congestion, also referred to as sinusitis or a sinus infection, is one of many potential health effects of mold exposure. It causes the sinuses, or nasal passages, to become swollen and inflamed. This interferes with drainage, so you feel stuffed up.
Sinusitis is most often caused by a virus and often lasts long after the other upper respiratory symptoms are gone. Rarely, fungus or bacteria may cause a sinus infection. Allergies, nasal polyps, a tooth infection, and a deviated septum are other ways in which sinusitis may be triggered.ain. The most common symptom of sinusitis, and often the most unpleasant, is pain. You have several different sinuses above and below your eyes, and behind your nose. Any of these can hurt when you have a sinus infection. Inflammation and swelling in the sinuses causes them to ache with a dull pressure.