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Whipworm infection
Definition:
A parasitic infection of the large intestine caused by whipworm (Trichocephalus trichiura). Alternative Names:
Trichuriasis Text Continues Below
Causes, incidence, and risk factors:
Whipworm infection is a common worldwide infection which primarily affects children, who may become infected if they ingest soil contaminated with whipworm eggs. The ingested eggs hatch, and the whipworm embeds in the wall of the large intestine (cecum, colon, rectum). Whipworm is found throughout the world, in particular among countries with warm, humid climates. The main risk factor for infection is ingestion of eggs from soil contaminated with feces. Some outbreaks have been traced to contaminated vegetables (due to presumed soil contamination). The development of symptoms depends on the burden of worms/eggs. Light infestations may lead to few or no symptoms. Heavy infestations may result in bloody diarrhea, iron-deficiency anemia and on occasion, rectal prolapse.
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