Amoebic Dysentery

(Amebiasis)

Definition

Amoebic dysentery is an intestinal illness.

Causes

Amoebic dysentery is caused by a specific parasite. You may develop amoebic dysentery if you:
  • Put something in your mouth that has touched the stool of an infected person.
  • Swallow water or food that has been contaminated with the parasite.
  • Touch cysts (eggs) from contaminated surfaces and bring them to your mouth
Digestive Pathway
Digestive pathway
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Risk Factors

Factors that may increase your chance of amoebic dysentery include:
  • Living in or traveling to developing countries, places that have poor sanitary conditions, or tropical or subtropical areas
  • Living in institutions with poor sanitary conditions
  • Household contact with infected person
  • Having anal sexual intercourse

Symptoms

Most people with the parasite do not have symptoms. Symptoms may include:
  • Loose /watery stools or constipation
  • Bloody stools
  • Constant feeling you need to move your bowels
  • Nausea
  • Weight loss
  • Stomach pain
  • Fever
  • Pain on your right, upper side (if you have the parasite in your liver)

Diagnosis

Your doctor will ask about your symptoms and medical history. A physical exam will be done.Your doctor will need tests of your bodily fluids and waste products. This can be done with:
  • Blood tests
  • Stool samples
Images may need to be taken of your bodily structures, especially your liver. This can be done with:

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