WebMD describes chronic sinusitis as a condition of sinus inflammation lasting eight weeks or longer. Sinus inflammation occurs when the sinuses are blocked with fluid and become infected with bacteria, viruses or fungi. More » Health Conditions & Diseases

A sinus infection, or sinusitis, refers to inflamed or swollen tissue that lines the sinuses, explains WebMD. An infection in the sinuses typically occur when fluid or germs, such as bacteria, viruses and fungi, obstruct... More » Health Conditions & Diseases

Symptoms of chronic sinusitis include nasal blockage, colored nasal discharge, drainage of a thick discharge down the throat, and diminished sense of taste or smell, explains Mayo Clinic. Additional symptoms include swel... More » Health Conditions & Diseases
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