Diarrhea is a change in normal bowel movements characterized by increased frequency, water content or volume of stools.
Infectious diarrhea is diarrhea of infectious origin (bacteria, virus, protozoal) and is usually associated with symptoms of nausea and vomiting and abdominal cramps.
Dysentery (invasive diarrhea) has the presence of visible blood in diarrheic stool.

Differential Diagnosis

  • These conditions may present as acute diarrhea with or without signs of peritonitis and should be excluded in the patient presenting with acute diarrhea
    • Appendicitis
    • Adnexitis
    • Diverticulitis
    • Inflammatory bowel disease (IBD)
    • Ischemic enterocolitis
    • Mesenteric artery/venous occlusion
    • Peritonitis secondary to bowel perforation
    • Systemic infections
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