Tag Archives: sinus

How to Tell if You Have Sinus Infection

Sinusitis is a type of infection that causes painful swelling in the sinus area. The sinus area refers to the cavities around the nose and forehead. Sinusitis is often caused by a viral infection, which persists long after the upper respiratory symptoms have disappeared. Apart from a viral infection, a deviated septum, a tooth infection, nasal polyps, and seasonal allergies …

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