Which physical findings are characteristic of Mycoplasma infections (Mycoplasma pneumoniae)?

Updated: Feb 15, 2019
  • Author: Ken B Waites, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Physical findings can be quite variable. Patients typically do not appear toxic or severely ill, but some abnormalities may be apparent in a significant proportion of cases.

Physical findings include the following:

  • Oropharyngeal inflammation

  • Cervical adenopathy - Usually absent

  • Erythematous tympanic membranes

  • Conjunctivitis

  • Maculopapular or urticarial rash

Chest auscultation in patients with pneumonia may demonstrate localized rhonchi and scattered moist rales, generally involving multiple lobes of the lung and sometimes accompanied by wheezes, with no signs of consolidation, egophony, or bronchial breathing.

In many persons, chest auscultative and percussive abnormalities are minimal to absent.

Extrapulmonary manifestations may occur in a minority of persons (see Complications). [6]


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