What is the pathophysiology of parasitic colitis?

Updated: Jan 04, 2019
  • Author: David A Piccoli, MD; Chief Editor: Carmen Cuffari, MD  more...
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Entamoeba histolytica is the most common cause of parasitic colitis in the world. Transmission takes place through ingestion of trophozoites (usually from water contamination) and person-to-person transmission (typically because of poor sanitation). Balantidium coli is a large ciliated protozoan that also causes colitis; balantidiasis manifests in much the same way as amebiasis.

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