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Diarrhea is separated into three clinical categories; acute diarrhea may last multiple hours or days, acute bloody diarrhea, also known as dysentery, and finally, chronic or persistent diarrhea which lasts 2–4 weeks or more. [2] There is normal growth with no evidence of malnutrition in the child experiencing persistent diarrhea.
While many different things can cause diarrhea—including infections or a more serious gastrointestinal condition—in most cases, it will go away after a few days without the need for treatment.
There are many causes of infectious diarrhea, which include viruses, bacteria and parasites. [29] Infectious diarrhea is frequently referred to as gastroenteritis. [30] Norovirus is the most common cause of viral diarrhea in adults, [31] but rotavirus is the most common cause in children under five years old. [32]
Rotavirus is the most common cause of gastroenteritis in children, [25] and produces similar rates in both the developed and developing world. [20] Viruses cause about 70% of episodes of infectious diarrhea in the pediatric age group. [13] Rotavirus is a less common cause in adults due to acquired immunity. [27]
While you might be quick to blame your diarrhea on stress, Dr. Khan says many conditions can cause bowel movement changes, like IBS, IBD, celiac disease, an infection, or even colon cancer.
Travelers' diarrhea; Other names: Travellers' diarrhoea, tourist diarrhea, [1] traveler's dysentery [1] The bacterium E. coli, the most common cause of Travelers' diarrhea: Specialty: Infectious diseases Symptoms: Unformed stool while traveling, fever, abdominal cramps, headache [2] [3] Duration: Typically < 5 days [3] Causes: Often bacterial ...
The cause of this wide range in severity of symptoms is not fully known but the intestinal flora of the infected host may play a role. [7] [8] Diarrhoea is less likely to occur in people from developing countries. [7] Symptoms typically develop 9–15 days after exposure, [9] but may occur as early as one day. [5]
[37] [41] Worldwide, diarrhoeal disease, caused by cholera and many other pathogens, is the second-leading cause of death for children under the age of 5 and at least 120,000 deaths are estimated to be caused by cholera each year. [42] [43] In 2002, the WHO deemed that the case fatality ratio for cholera was about 3.95%. [37]