Causes:
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The majority of diarrheal illnesses are caused by a virus.
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If there is blood or mucous in the stools, bacteria may be a source for the diarrhea.
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Parasites may also cause diarrhea.
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Stool cultures will often be obtained if the diarrhea is present more than one week, if there is a history of exposure to some bacteria or parasite, or if there is blood or mucous in the stools.
- Diarrhea may also be caused by excess fruit juices, food allergy / intolerance or medications (especially antibiotics)
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Contagious:
- Alert your doctor if you have done any unusual travel, there is a possibility of food poisoning, there are other contacts with diarrhea, or the child has been on recent antibiotics.
- Diarrhea due to viruses may last up to a week or sometimes longer. At times, there can be fluctuation between diarrhea and almost normal stools for a few days.
- Children are contagious with diarrhea caused by viruses for a day or two before the onset of diarrhea, and as long as they have diarrhea. Hand washing is key to reduce passing it on to others
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