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Health Services
Sinusitis is defined as an inflammation or swelling of the tissue which lines the sinuses. Sinuses are filled with air, but when sinuses become blocked and get filled with fluids, germs (bacteria, viruses, and fungi) can grow and cause an infection. An infection can cause a headache or pressure in the eyes, nose, cheek area. A person who has a sinus infection may also have a cough, a fever, bad breath, and nasal congestion with thick nasal secretions.



