Causes of Acute Diarrhea

In this article, we will discuss various Causes of Acute Diarrhea. So, let’s get started.

Causes

Infective cause (90% cases) include:

  • Virus e.g. rotavirus, norovirus, cytomegalovirus, viral hepatitis.
  • Bacterial e.g. Enterotoxin-induced i.e. Staphylococcus aureus, B.cereus, C. perfringens, E.coli, V.cholera. Cytotoxin-induced i.e. E.coli, toxic shock syndrome. Mucosal invasion i.e. Shigella, Salmonella, Campylobacter, Yersinia, Traveller’s diarrhea.
  • Parasitic i.e. Giardia, E.histolytica, Cryptosporidium, Cyclophora.

Non-infective causes (10% cases) include:

  • Drugs e.g. laxative, digitalis, ampicillin.
  • Ischemic colitis
  • Pseudomembranous colitis
  • Diverticulitis
  • Graft vs host disease
  • Toxin-induced diarrhea i.e. organophosphorus, insecticide, amanita, mushroom, and seafood.
  • Food allergy/intolerance
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