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Antibiotic-associated diarrhea and pseudomembranous colitis: are they less common with poorly absorbed

Christina M Surawicz1

  • 1Department of Medicine, University of Washington School of Medicine, Seattle, WA 98104, USA. surawicz@u.washington.edu

Chemotherapy
|April 28, 2005
PubMed

Insights

Antibiotic-associated diarrhea (AAD) affects 5-25% of patients. Understanding fecal flora changes and host factors is key to preventing AAD, with probiotics showing promise.

Area of Science:

  • Microbiology
  • Gastroenterology
  • Pharmacology

Background:

  • Antibiotic therapy frequently leads to diarrhea, a common complication.
  • Antibiotic-associated diarrhea (AAD) incidence ranges from 5% to 25%.
  • Broad-spectrum antibiotics and those targeting anaerobic flora increase AAD risk.

Purpose of the Study:

  • To review the impact of antibiotics on fecal flora and host factors contributing to AAD.
  • To describe clinical features and treatment strategies for AAD.
  • To explore preventive measures for AAD.

Main Methods:

  • Literature review examining antibiotic effects on gut microbiota.
  • Analysis of host factors implicated in AAD development.
  • Review of clinical data on AAD presentation and management.

Main Results:

  • Antibiotics significantly alter fecal flora composition.
  • Host susceptibility plays a role in AAD occurrence.
  • Probiotics and judicious antibiotic use are potential preventive strategies.

Conclusions:

  • Wise antibiotic stewardship and hospital infection control are crucial for AAD prevention.
  • Poorly absorbed antibiotics may reduce the risk of AAD and C. difficile-associated disease.
  • Probiotics show potential as an adjunct therapy with poorly absorbed antibiotics to mitigate diarrhea risk.

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