Bifidobacteria are a part of the normal gut commensal flora in humans and are generally considered to be nonpathogenic. They have been used as probiotics in different formulations for potential health benefits. However, infections have been reported secondary to this microbe. We present a rare case of Bifidobacterium longum bacteremia in a woman who had diverticulosis, was on high-dose steroids, and had a history of significant probiotic use. We reviewed all reported cases of Bifidobacterium bloodstream infections and have provided an overview of clinical presentations, treatment, and outcomes.
From the Department of Medicine, Allegheny General Hospital, Pittsburgh, PA.
Correspondence to: Nitin Bhanot, MD, MPH, Division of Infectious Diseases, Department of Medicine, Allegheny General Hospital, 320 East North Ave, Pittsburgh, PA 15212. E-mail: firstname.lastname@example.org.
The authors have no funding or conflicts of interest to disclose.