Diseases

opisthorchiasis

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Overview

Opisthorchiasis is infection with Opisthorchis viverrini (Southeast Asian liver fluke) or O. felineus (cat liver fluke), which are acquired by eating infected raw or undercooked fish that contains infectious metacercariae (encysted stage).

Symptoms

  • indigestion
  • abdominal pain
  • diarrhea, or constipation.

Causes

  • eating raw or undercooked fish from areas in asia and europe where the parasite is found

Risk factors

  • age
  • place of residence
  • sanitary conditions

Diagnosis

  • blood test.
  • microscopic identification of parasite eggs in stool specimens

Medicines used

Frequently asked questions

What is opisthorchiasis?

Opisthorchiasis is infection with Opisthorchis viverrini (Southeast Asian liver fluke) or O. felineus (cat liver fluke), which are acquired by eating infected raw or undercooked fish that contains infectious metacercariae (encysted stage).

What are the symptoms of opisthorchiasis?

indigestion, abdominal pain, diarrhea, or constipation.

What causes opisthorchiasis?

eating raw or undercooked fish from areas in asia and europe where the parasite is found

Which medicines are used for opisthorchiasis?

praziquantel

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