What causes amoebiasis?

Step-by-step solution

Entamoeba histolytica is the protozoan parasite responsible for causing amoebiasis. Symptoms of amoebiasis include constipation, abdominal pain and cramps, and stools with excess mucous and blood clots.Drinking water and food contaminated by the faecal matter are the main source of infection for amoebiasis.Ascaris is the parasite responsible for causing ascariasis. Symptoms of ascariasis include internal bleeding, muscular pain, fever, anemia, and blockage of the intestinal passage. A healthy person acquires the in