Skip to
  1. Homepage
  2. Rare diseases
  3. Search
Simple search

Simple search

(*) mandatory field


Other search option(s)


Synonym(s) Bilharziasis
Prevalence <1 / 1 000 000
Inheritance Not applicable
Age of onset All ages
  • B65.0
  • B65.1
  • B65.2
  • B65.3
  • B65.8
  • B65.9
  • C0036323
  • D012552
  • 10039603


Disease definition

Schistosomiasis is an infectious disease caused by parasitic trematodes of the genus Schistosoma that colonize human blood vessels and release eggs that can cause granulomatous reactions leading to acute (swimmer's itch or acute schistosomiasis syndrome) or chronic disease. Depending on where the eggs lodge, manifestations of chronic schistosomiasis can include diarrhea, abdominal pain, loss of appetite, anemia (intestines), hepatosplenism, periportal fibrosis with portal hypertension (liver), urogenital inflammation and scarring, hematuria and dysuria (genitourinary system). Other patients may be asymptomatic.

(*) Required fields.

Attention: Only comments seeking to improve the quality and accuracy of information on the Orphanet website are accepted. For all other comments, please send your remarks via contact us. Only comments written in English can be processed.

Captcha image

Detailed information

Clinical practice guidelines
Get Acrobat Reader
The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.