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Antibiotic-associated hemorrhagic colitis

H Moulis1, R J Vender

  • 1Yale University School of Medicine, New Haven, Connecticut.

Journal of Clinical Gastroenterology
|April 1, 1994
PubMed
Summary
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Antibiotic-associated hemorrhagic colitis, a rare condition from oral penicillin use, causes bloody diarrhea. Symptoms resolve within days of stopping the antibiotic, and inflammation can affect the entire colon.

Area of Science:

  • Gastroenterology
  • Internal Medicine
  • Pharmacology

Background:

  • Antibiotic-associated hemorrhagic colitis (AAHC) is a rare, self-limited gastrointestinal condition.
  • It is typically associated with oral penicillin derivatives used for upper respiratory infections.

Observation:

  • Patients present with diarrhea, abdominal tenderness, and bloody diarrhea within a week of antibiotic initiation.
  • Previous literature suggested a non-inflammatory process primarily affecting the right colon.

Findings:

  • This study presents four cases, highlighting a more heterogeneous patient population than previously described.
  • The condition can affect individuals of all ages and genders and may involve the entire colon.
  • Evidence of active inflammation, including fecal leukocytes, peripheral leukocytosis, and inflammatory infiltrates on biopsy, was observed.

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Implications:

  • The findings expand the understanding of AAHC presentation and pathophysiology.
  • Recognizing AAHC is crucial for timely diagnosis and management, leading to prompt symptom resolution.
  • Further research into the mechanisms of AAHC may inform preventative strategies.