What are physical findings characteristic of mycoplasma pneumonia?

Updated: Dec 28, 2018
  • Author: Michael Joseph Bono, MD, FACEP; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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Most cases of pneumonia due to M pneumoniae resolve after several weeks, although a dry cough can be present for as long as a month. Some patients can have a protracted illness lasting as long as six weeks. Other findings may also include the following:

  • A nontoxic general appearance

  • Mild pharyngeal injection with minimal or no cervical adenopathy but no exudate

  • Normal lung findings with early infection but rhonchi, rales, and/or wheezes several days later

  • Various exanthems including erythema multiforme and Stevens-Johnson syndrome

  • Sinus tenderness may be present

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