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Worldwide, studies estimate that diarrheal illness affects 3 to 20% of children under the age of 5 with an incidence of 2.7 episodes of diarrhea per child-year. [52] [53] Developing nations experience higher burden of disease and mortality from chronic diarrhea in children compared to developed nations. [49]
Gastroenteritis, also known as infectious diarrhea, is an inflammation of the gastrointestinal tract including the stomach and intestine. [8] Symptoms may include diarrhea, vomiting, and abdominal pain. [1] Fever, lack of energy, and dehydration may also occur. [2] [3] This typically lasts less than two weeks. [8]
Rotaviral enteritis is a mild to severe disease characterised by nausea, vomiting, watery diarrhoea and low-grade fever. Once a child is infected by the virus, there is an incubation period of about two days before symptoms appear. [70] The period of illness is acute. Symptoms often start with vomiting followed by four to eight days of profuse ...
A severity score is used to aid diagnosis in children. [58] When diarrhea lasts for more than four weeks a number of further tests may be recommended including: [59] Complete blood count and a ferritin if anemia is present; Thyroid stimulating hormone; Tissue transglutaminase for celiac disease; Fecal calprotectin to exclude inflammatory bowel ...
These early symptoms can include diarrhea (which is often bloody), stomach cramps, mild fever, [10] or vomiting that results in dehydration and reduced urine. [9] HUS typically develops about 5–10 days after the first symptoms, but can take up to 3 weeks to manifest, and occurs at a time when the diarrhea is improving. [10]
Short bowel syndrome (SBS, or simply short gut) is a rare malabsorption disorder caused by a lack of functional small intestine. [3] The primary symptom is diarrhea, which can result in dehydration, malnutrition, and weight loss. [1]
Common symptoms include: [5] Fever; Abdominal pain; Diarrhea (typically bloody) Vomiting; Symptoms typically develop 4 to 7 days after exposure and may last 1 to 3 weeks or longer. In older children and adults, right-sided abdominal pain and fever may be the predominant symptoms, and may be confused with appendicitis.
Enterotoxigenic E. coli (ETEC) produces a toxin that acts on the intestinal lining, and is the most common cause of traveler's diarrhea. Enteropathogenic E. coli (EPEC) can cause diarrhea outbreaks in newborn nurseries. Enteroaggregative E. coli (EAggEC) can cause acute and chronic (long-lasting) diarrhea in children.