- acute schistosomiasis
- occurs 6 weeks to 3 months after initial infection especially by S.mansoni and S.japonicum
- snail vectors release cercariae that penetrates skin causing itchy papular rashes. Cercariae shed their tails to become schistosomules and migrate via lungs to liver.
- presents with fever, rash, myalgia, diarrhea, hepatosplenomegaly and pneumonitis
- diagnosis by serology and rectal biopsy (look for eggs)
- treatment: praziquantel
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