Sinus Infection Directory
Sinus infection, also called sinusitis, describes sinuses and nasal passages that are irritated and inflamed. Sinus infections are treatable. Follow the links below to find WebMD's comprehensive coverage about what causes sinus infections, risk factors, treatment, and much more.
If you are plagued by sinus problems, take a moment to consider these valuable parts of your body. What can turn good sinuses into problem sinuses?
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