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Definitions of dysentery can vary by region and by medical specialty. The U. S. Centers for Disease Control and Prevention (CDC) limits its definition to "diarrhea with visible blood". [19] Others define the term more broadly. [20] These differences in definition must be taken into account when defining mechanisms.
Shigellosis, known historically as dysentery, is an infection of the intestines caused by Shigella bacteria. [ 1 ] [ 3 ] Symptoms generally start one to two days after exposure and include diarrhea , fever , abdominal pain , and feeling the need to pass stools even when the bowels are empty. [ 1 ]
Bacillary dysentery is a type of dysentery, and is a severe form of shigellosis. It is associated with species of bacteria from the family Enterobacteriaceae . [ 1 ] The term is usually restricted to Shigella infections.
Amoebiasis, or amoebic dysentery, is an infection of the intestines caused by a parasitic amoeba Entamoeba histolytica. [3] [4] Amoebiasis can be present with no, mild, or severe symptoms. [2] Symptoms may include lethargy, loss of weight, colonic ulcerations, abdominal pain, diarrhea, or bloody diarrhea.
The most commonly observed signs associated with Shigella dysentery include colitis, malnutrition, rectal prolapse, tenesmus, reactive arthritis, and central nervous system problems. Further, S. dysenteriae is associated with the development of hemolytic-uremic syndrome, which includes anemia, thrombocytopenia, and kidney failure.
Shigella causes disease in primates, but not in other mammals; it is the causative agent of human shigellosis. [2] It is only naturally found in humans and gorillas. [3] [4] During infection, it typically causes dysentery. [5]
Dysentery is a symptom of, among others, Shigella, ... Diarrheal disease may have a negative impact on both physical fitness and mental development.
For those prone to serious infections, such as bacillary dysentery, amoebic dysentery, and cholera, TD can occasionally be life-threatening. [13] Others at higher-than-average risk include young adults, immunosuppressed persons, persons with inflammatory bowel disease or diabetes, and those taking H2 blockers or antacids. [12]