What are the symptoms of acute schistosomiasis (Katayama syndrome)?

Updated: Sep 20, 2018
  • Author: Shadab Hussain Ahmed, MD, AAHIVS, FACP, FIDSA; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Tissue migration of schistosomal larvae may cause a hypersensitivity reaction. Any species of Schistosoma can cause it. Although most clinical manifestations are benign, some are severe and may require hospitalization. If acute schistosomiasis is not suspected clinically and treated appropriately, it can result in severe morbidity or death. Nonimmune travelers are especially prone to this disease manifestation. It was found, for example, that after a single exposure to a freshwater pond in Tanzania, 86% of tourists developed acute schistosomiasis. Symptoms include cough, fever, and fatigue. [31] Symptoms usually appear 2-12 weeks after exposure.


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