Schistosomiasis, also known as bilharzia and snail fever, is an infection caused by schistosomes, parasitic flatworms. The urinary tract or the intestines may be infected. Symptoms include abdominal pain, diarrhea, bloody stool, or blood in the urine and are worse in males. The parasite is common throughout Africa.

Schistosomiasis can usually be treated successfully with a short course of a medication called praziquantel, that kills the worms. Children when playing in streams or trying to catch fish can become infected.

Due to the severe drought in 2019 The Butterfly Tree has provided funds to treat over 100 children.