All About diarrhea
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Diarrhea is characterized by abnormally loose or watery stools. Most cases of diarrhea are due to bacteria, viruses, or parasites. Digestive system disorders can also cause chronic diarrhea.
If a person frequently passes stools but they are of a normal consistency, this is not diarrhea. Similarly, breastfed babies often pass loose, sticky stools. This is normal.
This article looks at the causes and treatments of diarrhea. It also looks at symptoms, diagnosis, prevention, and when to see a doctor.
Many cases of diarrhea are due to an infection in the gastrointestinal tract. The microbes responsible for this infection include:
bacteria
viruses
parasitic organisms
The most commonly identified causes of acute diarrhea in the United States are the bacteria Salmonella, Campylobacter, Shigella, and Escherichia coli.
Some cases of chronic diarrhea are called “functional” because although all the digestive organs appear normal, they are not functioning as they ideally should. In the developed world, irritable bowel syndrome (IBS) is the most common cause of functional diarrhea.
IBS causes many symptoms, including cramping, abdominal pain, and altered bowel habits, which can include diarrhea, constipation, or both.
Inflammatory bowel disease (IBD) is another cause of chronic diarrhea. IBD describes either ulcerative colitis or Crohn’s disease. Both conditions can also cause blood in the stool.
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