What is the presentation of perianal erythema in patients with diarrhea?

Updated: Jan 31, 2020
  • Author: Stefano Guandalini, MD; Chief Editor: Carmen Cuffari, MD  more...
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Perianal erythema

  • Frequent stools can cause perianal skin breakdown, particularly in young children.

  • Secondary carbohydrate malabsorption often results in acidic stools.

  • Secondary bile acid malabsorption can result in a severe diaper dermatitis that is often characterized as a "burn."

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