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
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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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