Wednesday, April 27, 2011

What causes diarrhea ?

CAUSES

Diarrhea - frequent bowel movements or watery mucoid (poop) - is commonly caused by gastrointestinal infections can be due to viruses, bacteria or parasites.

A frequent cause of diarrhea is viral gastroenteritis (often called " stomach flu ", can also cause nausea and vomiting). Many viruses can cause viral gastroenteritis, which can pass through a home centre or nursery school quickly because it is highly contagious. Although the symptoms usually last a few days, affects children (especially children) who can not get adequate fluid intake can become dehydrated.
This can usually be assumed to be infected, although only in rare cases, this is officially certified.

VIRUS
Diarrhoea is usually the source of the virus, and more frequently due to Norovirus, Rotavirus, Adenovirus and Astrovirus. Viruses, particularly rota virus, are common in children. (Viral diarrhea is probably over-diagnosed by doctors). Norwalk virus (or norovirus) can also cause these symptoms.

BACTERIA AND THEIR TOXIN
The common organisms are Campylobacter jejuni and Salmonella, so typically the animals for food. Often "food poisoning" is really Salmonella infection. Shigella dysentery is less common and usually of human origin. Vibrio cholerae / cholera is rare in Western countries. It is more common in travelers and is usually associated with contaminated water (its ultimate source is probably sea water). Vibrio can be found in seafood.

Escherichia coli is a very common cause of diarrhea, traveler's diarrhea, in particular, but it may be difficult to detect using current technology. The types of the bacterium E. coli vary from region to region and from country to country. Clostridium difficile is considered the most common cause of infectious diarrhea in hospitalized patients worldwide. Toxins and food poisoning can cause diarrhea. These include staphylococcal toxin (often from milk products due to an infected wound in workers) and Bacillus cereus.

WORMS
Worms are sometimes cause diarrhea, but often accompanied by weight loss, irritability, rashes or anal itching. The most common is pinworm (mostly a nuisance rather than a serious illness). Other worms such as hookworms, and tapeworms are ascaria more medical importance and can lead to weight loss, anemia, general malaise and allergy problems.

OTHER
Giardiasis is a common cause. Amoebic dysentery caused by Entamoeba histolytica is a major cause of bloody diarrhea in travelers, and sometimes also in Western countries. Another reason is Cryptosporidium, acquired through contaminated food or water ........read more.




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