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Schistosomiasis

Frederick W. Nielson, MD Reviewed 06/2018
 


BASICS

DESCRIPTION

  • Flatworm infection (trematodes) of the genus Schistosoma

  • Commonly presents as a swimmer's itch and maculopapular rash

  • Katayama fever (acute schistosomiasis) is a systemic reaction to t...

DIAGNOSIS

HISTORY

  • Infections are frequently asymptomatic.

  • Travel history to endemic areas (2)

  • Rash and itching (localized, usually feet/lower extremity) after exposure to contaminated freshwater from lar...

TREATMENT

GENERAL MEASURES

  • Bathing; water precautions

  • WHO recommends periodic mass treatment to reduce morbidity in highly endemic areas (2).

MEDICATION

First Line

ONGOING CARE

PATIENT EDUCATION

  • Prevention strategies in endemic areas

  • Travelers to endemic areas should be counseled to avoid bathing or swimming in untreated fresh water.

PROGNOSIS

Prognosis is good if i...

REFERENCES

1
Colley DG, Bustinduy AL, Secor WE, et al. Human schistosomiasis. Lancet.  2014;383(9936):2253–2264. [View Abstract on OvidMedline]
2
Gryseels B, Polman K, Clerinx J, et al. Human schist...

ADDITIONAL READING

  • Caffrey CR. Schistosomiasis and its treatment. Future Med Chem.  2015;7(6):675–676.

  • Chai JY. Praziquantel treatment in trematode and cestode infections: an update. Infect Chemot...

CODES

ICD10

  • B65.9 Schistosomiasis, unspecified

  • B65.1 Schistosomiasis due to Schistosoma mansoni

  • B65.2 Schistosomiasis due to Schistosoma japonicum

  • B65.8 Other schistosomiasis

  • B65.0 Schistosomiasis due to S...

CLINICAL PEARLS

  • Suspect schistosomiasis in travelers to endemic areas presenting with symptoms of Katayama fever (malaise, abdominal pain, fatigue, myalgias).

  • Schistosomiasis may present as “swimmer's ...

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