Which procedures may be beneficial in the workup of food poisoning?

Updated: Jun 19, 2018
  • Author: Roberto M Gamarra, MD; Chief Editor: Praveen K Roy, MD, AGAF  more...
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When a stool examination is nondiagnostic, performing sigmoidoscopy/colonoscopy with biopsy and esophagogastroduodenoscopy (EGD) with duodenal aspirate and biopsy may be beneficial. This is especially important in patients who are immunocompromised.

Consider sigmoidoscopy in patients with bloody diarrhea. It can be useful in diagnosing inflammatory bowel disease, antibiotic-associated diarrhea, shigellosis, and amebic dysentery.

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