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Trophozoites of E. histolytica with ingested erythrocytes (red blood cells) stained with trichrome.

Amebiasis is a disease caused by the parasite Entamoeba histolytica. It can affect anyone, although it is more common in people who live in tropical areas with poor sanitary conditions. Diagnosis can be difficult because other parasites can look very similar to E. histolytica when seen under a microscope. Infected people do not always become sick. If your doctor determines that you are infected and need treatment, medication is available.

Image: Trophozoites of E. histolytica with ingested erythrocytes (red blood cells) stained with trichrome. Credit: DPDx

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