Not all sinus infections are the same.
a combination of two or more of the following symptoms lasting up to four weeks and typically caused by bacterial infection.
Chronic Rhinosinusitis (CRS)
a chronic inflammatory disorder of the nasal and sinus passages.CRS is generally resistant to therapy with antibiotics and glucocorticoids.
fleshy swellings or masses that develop in the lining of the nose. Polyps can vary in size,shape and color and normally appear in both nostrils and grow in clusters.
Information for Physicians
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