When should acute bacterial sinusitis (sinus infection) be suspected?

Updated: Mar 01, 2018
  • Author: Itzhak Brook, MD, MSc; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

The diagnosis of acute bacterial sinusitis should be entertained under either of the following circumstances:

  • Presence of symptoms or signs of acute rhinosinusitis 10 days or more beyond the onset of upper respiratory symptoms

  • Worsening of symptoms or signs of acute rhinosinusitis within 10 days after an initial improvement


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