JERRY B. VANNATTA, M.D.; DAVID ADAMSON, Ph.D.; KEN MULLICAN, M.S.
Originally named and classified as fungus by Brumpt (1), Blastocystis hominis has recently been reclassified as a parasite (2). In addition, B. hominis has recently been reported as pathogenic (3), although it had been thought to be a commensal in humans. We report a case of recurrent diarrhea, thought to be caused by B. hominis.
A 28-year-old white man had episodes of vomiting and diarrhea, occurring 1 day per week for 3 successive weeks. The symptoms lasted approximately 18 hours on each of these days, after which he felt well. He had weakness and generalized cramping during these episodes, but
VANNATTA JB, ADAMSON D, MULLICAN K. Blastocystis hominis Infection Presenting as Recurrent Diarrhea. Ann Intern Med. 1985;102:495–496. doi: 10.7326/0003-4819-102-4-495
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Published: Ann Intern Med. 1985;102(4):495-496.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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