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Fluke Infections of the Intestines

By

Richard D. Pearson

, MD, University of Virginia School of Medicine

Last full review/revision Mar 2020| Content last modified Mar 2020
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Certain species of flukes cause infections of the intestine.

Flukes Overview of Fluke Infections Flukes are parasitic flatworms. There are many species of fluke. Different species tend to infect different parts of the body. Flukes may infect Blood vessels of digestive or urinary system... read more are parasitic flatworms. There are many species of flukes. Different species tend to infect different parts of the body. Flukes that infect the intestines include

  • Fasciolopsis buski, which causes fasciolopsiasis

  • Heterophyes heterophyes, which causes heterophyiasis

Intestinal fluke infections usually occur in the Far and Middle East or Egypt.

The life cycle of flukes is complex. People get intestinal fluke infections when they eat aquatic plants (such as water chestnuts) or raw, undercooked, or salted freshwater fish that contain cysts that contain fluke larvae.

Doctors diagnose intestinal fluke infections when they see eggs or sometimes adult flukes in a person's stool (feces).

These fluke infections are treated with the drug praziquantel.

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