Are Sinus Infections Contagious? Here's What 3 MDs Have to Say
A sinus infection, also known as sinusitis, occurs when the air cavities around your nasal passages become inflamed and ...
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Is Your Toothache Actually a Sinus Infection? How to Tell-and Treat It
Sinus infections (also known as sinusitis) strike more than 30 million Americans each year. And if you're one of them, you're ...