Infection with a type of fluke (Southeast Asian liver fluke or cat liver fluke). Infection usually occurs by consuming infected undercooked fish. Acute infection may cause fever, joint pain, rash, eosinophilia and lymphadenopathy where as chronic infections may cause enlarged liver, malnutrition. Mild cases can cause constipation, diarrhea and abdominal pain. Occasionally, the infection may be asymptomatic and in the other extreme, severe cases may result in complications such as cholangiocarcinoma. See also Opisthorchiasis