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Entamoeba histolytica: Cause of Amoebiasis

Cause of the disease

The cause of amoebiasis is caused by protozoan infection (Entamoeba histolytica), which can benefit from its host without causing benefit or harm, or act invasively. In this case, the disease may manifest inside or outside the intestines.


Its main symptoms are abdominal discomfort, which may range from mild to moderate, bloody stools, severe diarrhea accompanied by blood or mucoid, and fever and chills.

In the most severe cases, the trophozoite form of the protozoan can spread throughout the circulatory system and thereby affect the liver, lungs or brain. The brief diagnosis in these cases is very important, as this clinical picture can lead the patient to death.


Amoebiasis is transmitted to humans through the consumption of food or water contaminated by feces with amoebic cysts, lack of home hygiene and also by the manipulation of food by carriers of this protozoan.

Once inside the host organism, in this case, the man, his incubation period can vary from days to years, however, in general, a common period of two to four weeks can be assigned.


Its most common diagnosis is the presence of parasitic trozoites or cysts in the stool, but it can also occur through endoscopy or proctoscopy, through the analysis of abscesses or tissue cuts, etc. When left untreated, this disease can last for years.


As with most diseases, prevention is still the best measure, in this case prevention is through stricter hygienic measures for people who handle food, sanitation, do not consume water from a dubious source, sanitize vegetables, fruits and vegetables. vegetables before eating them, wash your hands thoroughly before handling any kind of food, and especially after using the toilet.

IMPORTANT: The information on this page is only a source for research and school work. Therefore, they should not be used for medical advice. To do so, see a doctor for guidance and proper treatment.