ABSTRACT
heterobilharzia americanum Canine blood fluke acquired by cercariae penetrating the skin. PPP= 2 months. Dx: Eggs in feces relatively round, about 80 µm in diameter, brown, and containing developed miracidium. Eggs collected in water will hatch. Ultrasound may reveal fibrosis of the hepatic portal system. Adult Habitat: Mesenteric veins and hepatic portal veins. Similar Species: Dogs in SE Asia may be infected with Schistosoma japonicum. Range: Southeastern United States Clinical Signs: Diarrhea, fever, icterus, and anorexia. With liver cirrhosis, may have hypercalcemia, hyperglobulinemia, hypoalbuminemia, anemia, and eosinophilia. Tx: No approved drug. Praziquantel at high doses effective:
