PIcture: Medical News Today
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Five Sinus Infection Symptoms

Sinusitis Medically known as rhinosinusitis, a sinus infection occurs when your nasal cavities become infected, swollen, and inflamed. Sinusitis is usually caused by a virus and often persists even after other upper respiratory symptoms are gone. In some cases, bacteria, or rarely fungus, may cause a sinus infection. Other conditions such as allergies, NASA; polyps, and […]