Which clinical history findings are characteristic of pneumococcal sinusitis?

Updated: Jun 08, 2020
  • Author: Eduardo Sanchez, MD; Chief Editor: John L Brusch, MD, FACP  more...
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S pneumoniae is the most commonly isolated bacterial organism from patients with acute sinusitis. Acute sinusitis manifestations may vary depending on the age of the patient and the developmental status of individual sinuses. In children younger than 5 years, infection is usually limited to the ethmoid and maxillary sinuses. Acute bacterial sinusitis is usually preceded by a viral upper respiratory infection that leads to mucosal edema, resulting in ostia obstruction. This is followed by the development of a purulent nasal discharge and cough. Halitosis and worsening cough at night due to postnasal drip are often noted.

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