Other factors that cause amebiasis are consumption of alcohol, autoimmune disorder, pregnancy and old age. People who are traveling frequently to areas of amebiasis can get this problem easily. Children and infants who have impaired immunity can also get this infection from others.
Symptoms :
During the initial stages, there may not be any symptoms. Often, the first sign begins to appear after 10-15 days of infection. Some of the symptoms of amebiasis are pain in the abdomen, diarrhea, excess of gas formation in the stomach and rectal pain due to frequent bowel movement.
In case of severe infection, it may cause blood discharge in stools and increase in number of times of passing stools. For some people it may cause fever, nausea and vomiting.
Diagnoses :
The doctor may examine the body of the infected person physically and he would examine his stool for detecting the presence of parasite. In case of severe infection, sigmoidoscopy is done for checking the condition of intestinal wall.