Schistosomiasis Flat Worms Signs and Symptoms with Diagnosis Treatment | MedicScientist :: Total Health Portal

Schistosomiasis  Flat Worms Signs and Symptoms  Clinical features with Diagnosis Treatment

These are flat worms which can cause morbidity and mortality. They are also called adult flukes and in­vade blood, intestine, lungs and biliary tree.


Schistosomiasis  Flat Worm
Schistosomiasis  Flat Worms
  • Man is the definitive host and snails are intermediate hosts.
  • One of several parasitic diseases due to infestation with blood flukes belonging to the genus Schistosoma.
  • The flukes may colonize the urinary tract, mesenteries, liver, spleen, or biliary tree, causing symptoms from these organs
  • Human infection occurs by direct penetration of skin or by ingestion.
chistosomiasis yg


Schistosomiasis  Flat Worms Life cycle


Human infection is caused by 5 species:

  • · S. mansoni
  • · S. japonicum
  • · S. mekongi
  • · S. intercalatum
  • · S. hematobium.
Schistosomiasis  Flat Worm h
Schistosomiasis  Flat Worms Signs and Symptoms

Clinical features of Schistosomiasis


  • There is itchy, maculopapular rash on the skin. There is fever, lymphadenopathy, hepatosplenom­egaly.
  • There is peripheral blood eosinophilia.
  • There may be portal hypertension, abdominal pain, bloody diarrhoea.
  • There may be ascites, coagulation defects, Hydronephrosis may occur because of obstruction of ureters due to granuloma formation
  • Pulmonary hypertension, cor-pulmonale, hemoptysis, may occur.
  • CNS schistosomiasis may occur.


Treatment Schistosomiasis

  • Praziquantel – 25 mg / kg 3 doses in single day.