infectious diseases
Clonorchiasis
Introduction
Clonorchiasis is infection with the liver flukeClonorchis sinensis. Infection is usually acquired by eating undercooked freshwater fish. Most infections are asymptomatic, but when present, symptoms include right upper quadrant abdominal pain, indigestion, fatigue, and diarrhea. Diagnosis is by identifying eggs in the feces or duodenal contents. Treatment is withpraziquanteloralbendazole. Flukes are parasitic flatworms that infect various parts of the body (eg, blood vessels, gastrointestinal tract, lungs, liver) depending on the species. is growing, from an estimated 7 million in the 1990s to 15 to 20 million worldwide in the 2010s ( References , See also theWorld Health Organization (WHO)andCenters for Disease Control and Prevention (CDC)information on clonorchiasis. 