What are the pulmonary signs and symptoms of strongyloidiasis?

Updated: Jun 20, 2019
  • Author: Pranatharthi Haran Chandrasekar, MBBS, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Symptomatic pulmonary strongyloidiasis that results from migrating larvae is observed in 10% of patients. Initial infection may trigger wheezing [37] and mild cough.

Migration of the larvae through the lungs produces a pneumonitis that resembles Loeffler syndrome. Symptoms include a productive cough, at times with blood-streaked sputum, dyspnea, and fever. Strongyloidiasis can also produce a clinical syndrome that mimics either asthma or pneumonia.

In severe (disseminated) disease, pneumonitis may cause hemoptysis and difficulty in breathing. In addition, cough, hemoptysis, dyspnea, wheezing, pleuric pain, tachypnea can occur, and acute respiratory distress syndrome (ARDS) may require mechanical ventilation.

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