MRCEM Notes

Diarrhoea in children

Gastroenteritis
  • main risk is severe dehydration
  • most common cause is rotavirus - typically accompanied by fever and vomiting for the first 2 days. The diarrhoea may last up to a week
  • treatment is rehydration

Chronic diarrhoea

Infants
  • most common cause in the developed world is cows' milk intolerance
  • toddler diarrhoea: stools vary in consistency, often contain undigested food
  • coeliac disease
  • post-gastroenteritis lactose intolerance
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