Causes of Diarrhea

Diarrhoea is characterized by abnormal bowel movements and when you are passing watery stools with increase frequency of going to toilet. It may last for only a few days.

Diarrhoea occurs due to following reasons;

  • Infection
  1. Bacterial infection
  2. Viral infection
  3. Protozoal infection
  • Decrease absorption of food from GIT
  • Increase secretion of fluids

Other major causes of chronic diarrhea include:

  • Microscopic colitis: This is a persistent diarrhea that usually affects older adults, often during the night.
  • Malabsorptive and maldigestive diarrhea: The first is caused by impaired nutrient absorption, the second by impaired digestive function. Celiac disease is one example.
  • Chronic infections: A history of travel or antibiotic use can be clues to chronic diarrhea. Various bacteria and parasites can be the cause.
  • Drug-induced diarrhea: Laxatives and other drugs, including antibiotics, can trigger diarrhea.
  • Endocrine causes: Sometimes hormonal factors cause diarrhea, for example, in the case of Addison disease and carcinoid tumors.
  • Cancer causes: Neoplastic diarrhea is associated with a number of gut cancers

 

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