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BMJ Case Reports 2017; doi:10.1136/bcr-2017-219915
  • Unexpected outcome (positive or negative) including adverse drug reactions
  • CASE REPORT

Antibiotic-associated haemorrhagic colitis: not always Clostridium difficile

  1. Bibek Singh Pannu
  1. Department of Internal Medicine, Presence Saint Joseph Hospital, Chicago, Illinois, USA
  1. Correspondence to Dr Nasir Saleem, nasirsaleemmd{at}gmail.com
  • Accepted 23 May 2017
  • Published 14 June 2017

Summary

Antibiotic-associated colitis is a gastrointestinal complication of antibiotic use commonly seen in hospitalised patients, with Clostridium difficile (C. difficile) colitis being the most common type. We present a case of haemorrhagic colitis secondary to Klebsiella oxytoca following self-initiated amoxicillin–clavulanic acid use. An 85-year-old woman presented to the emergency department with abdominal pain and mucobloody diarrhoea. History was notable for an ongoing 5-day course of amoxicillin–clavulanic acid use. The CT scan of her abdomen revealed extensive diffuse thickening of the ascending and transverse colon. Stool culture grew K. oxytoca, an established cause of haemorrhagic colitis. She declined colonoscopy but recovered with withdrawal of all antibiotics and conservative treatment. We should be vigilant to haemorrhagic colitis following antibiotic use which is not always C. difficile related.

Footnotes

  • Contributors OA: drafting of manuscript. NS: concept and drafting of manuscript. MS and BSP: literature review.

  • Competing interests None declared.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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