Flare-up of ulcerative colitis after systemic corticosteroids: A strong case for Strongyloides

Shomron Ben-Horin*, Iris Barshack, Yehuda Chowers, Meir Mouallem

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


Super-imposed infection with intestinal organisms can mimic a flare-up of underlying disease in patients with inflammatory bowel disease (IBD). We report a case of patient with long standing ulcerative colitis (UC), who presented with abdominal pain, diarrhea and low-grade fever after receiving systemic corticosteroids for an unrelated disorder. Despite a negative stool examination, a peripheral eosinophilia reappeared upon tapering down of a corticosteroid dose. Subsequently, duodenal biopsies showed evidence for Strongyloides, presumably acquired 20 years ago when the patient was residing in Brazil. The patient fully recovered following anti-helmintic therapy. This case underscores the importance of considering Strongyloides in the work-up of flaring-up IBD patients, even if a history of residing or traveling to endemic areas is in the distant past.

Original languageEnglish
Pages (from-to)4413-4415
Number of pages3
JournalWorld Journal of Gastroenterology
Issue number27
StatePublished - 21 Jul 2008


  • Eosinophilia
  • Infection
  • Parasites
  • Strongloides
  • Ulcerative colitis


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