Here Are The Main Causes Of Severe Diarrhea In Adults

By on May 25, 2016

Severe diarrhea is a condition involving loose stools lasting for more than four weeks. An individual with severe diarrhea might have three to four loose stools every day.

There are a number of causes of severe diarrhea in adults and treatment is generally aimed towards correcting the main cause of the problem, firming up the loose stools and doing away with the complications involved.

Severe diarrhea can have an impact on the life quality of an individual and even on his or her overall health.

Diarrhea is basically an inconvenience whether mild or severe and therefore effective treatments are always recommended at the earliest for this condition.

Main Causes Of Severe Diarrhea In Adults

The main causes of severe diarrhea in adults that you need to be aware of, have been enumerated below:

Causes of Severe Diarrhea In Adults

Irritable Bowel Syndrome

This is one of the most common causes of chronic diarrhea. It can result in changes in the bowel habits of an individual along with crampy and severe abdominal pain. This condition might develop after having a certain infection.

Inflammatory Bowel Disease

There are different types of inflammatory bowel diseases with ulcerative colitis and Crohn disease being the two most common ones. These conditions are likely to develop when the immune system of the body attacks the digestive tract.


Infections of the intestines can be one of the leading causes of severe diarrhea in adults. Infections resulting in severe diarrhea are common in people living in or travelling to developing or tropical countries. Infections of the intestines can even develop post drinking contaminated water or eating contaminated food.

Food Poisoning

This is also one of the most common causes of chronic diarrhea. Food poisoning is food borne illness which happens due to the intake of toxic, spoiled or contaminated food.


There are several medicines that can also cause severe diarrhea and they include antacid medicines containing magnesium, antibiotics, chemotherapy medicines, statins, laxatives and selective serotonin reuptake inhibitors.

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