How often is CT evidence of sinusitis (sinus infection) associated with viral upper respiratory infections?

Updated: Mar 01, 2018
  • Author: Itzhak Brook, MD, MSc; Chief Editor: Michael Stuart Bronze, MD  more...
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According to the 2005 AAAAI practice parameter, CT evidence of sinusitis is associated with viral upper respiratory infections 40%-90% of the time. Symptoms of viral upper respiratory tract infections do not differ between patients with CT abnormalities and patients with no CT evidence of sinusitis, and both groups appear to self-resolve without antibiotics within 21 days. It is inappropriate to prescribe antibiotic treatment for uncomplicated viral upper respiratory tract infection. Doing so is strongly discouraged. [2]

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