Abstract

GARCIA, Juan Pablo; ALZATE, John Alexander; HOYOS, Julián Andrés  and  CRISTANCHO, Edilberto. Bacteremia after Bacillus clausii administration for the treatment of acute diarrhea: A case report. Biomed. [online]. 2021, vol.41, suppl.2, pp.13-20.  Epub Oct 15, 2021. ISSN 0120-4157.  https://doi.org/10.7705/biomedica.5662.

Bacillus clausii is a gram-positive rod used as a probiotic to treat diarrhea and the side effects of antibiotics such as pseudomembranous colitis. We report a case of B. clausii bacteremia in a non-immunocompromised patient with active peptic ulcer disease and acute diarrhea. The probiotic was administered during the patient's hospitalization due to diarrhea of infectious origin. B. clausii was identified in the bloodstream of the patient through Matrix- Assisted Laser Desorption Ionization-Time of Flight (MALDI-TOF) days after her discharge. Given the wide use of probiotics, we alert clinicians to consider this microorganism as a causative agent when signs of systemic infection, metabolic compromise, and hemodynamic instability establish after its administration and no pathogens have been identified that could explain the clinical course.

Keywords : Bacillus clausii; bacteremia; diarrhea; probiotics; gram-positive bacteria.

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