Patients in hospital who are on antibiotics may benefit from taking probiotics, according to researchers at St. Michaels Hospital. Dr. Reena Pattani, a resident at the University of Toronto and St. Michaels incoming chief resident, led a literature review that looked at the effectiveness of probiotics, live bacteria that can take up residence in digestive tracts, in treating common side effects of antibiotics, such as antibiotic-associated diarrhea and life-threatening side effects such as Clostridium difficile infection.
Â
These two conditions are associated with high morbidity, mortality and health care costs, says Pattani. Antibiotics are non-specific they target both our good and bad bacteria. And some of the good bacteria being killed off protect us from pathogens like C. difficile, a bacterium that can cause symptoms ranging from diarrhea to life-threatening inflammation of the body.
Â
Previous studies have shown 10 percent of patients who receive antibiotics while in hospital will get antibiotic-associated diarrhea and of these patients, 15 per cent of them will have diarrhea because of C. difficile.
Â
Pattani and colleagues scanned available literature for studies that compared patients who received probiotics and antibiotics at the same time in hospital, with patients who received antibiotics alone to see if rates of antibiotic-associated diarrhea and C. difficile infection were lower in those who also received probiotics.
Â
They pooled the results of 16 studies, looking at data from 3,403 patients, and found a significant reduction in both antibiotic-associated diarrhea and C. difficile infection in patients who took probiotics with their antibiotics.
Â
The results are likely due to the powerful effects of probiotics, including their ability to populate the digestive tract with healthy bacteria and strengthen the immune system, Pattani says.
Â
Hospitalization is a key risk factor for acquiring C. difficile infection, Pattani adds. Probiotics can help improve the health of individual patients by preventing C. difficile while also reducing the transmission of C. difficle to other, non-infected people in the high-risk inpatient environment. We hope these results will prompt physicians to consider its use.
Â
Pattani says that while the results of her study are encouraging, a larger study including more patients, and one that looks at what kind of probiotics work best and at what doses needs to be done before hospital-wide policies can be made.
Â
The paper appeared online today in the journal Open Medicine.
Source: St. Michaels Hospital
Â
Â
Â
I Was There: An Infection Preventionist on the COVID-19 Pandemic
April 30th 2025Deep feelings run strong about the COVID-19 pandemic, and some beautiful art has come out of those emotions. Infection Control Today is proud to share this poem by Carmen Duke, MPH, CIC, in response to a recent article by Heather Stoltzfus, MPH, RN, CIC.
From the Derby to the Decontam Room: Leadership Lessons for Sterile Processing
April 27th 2025Elizabeth (Betty) Casey, MSN, RN, CNOR, CRCST, CHL, is the SVP of Operations and Chief Nursing Officer at Surgical Solutions in Overland, Kansas. This SPD leader reframes preparation, unpredictability, and teamwork by comparing surgical services to the Kentucky Derby to reenergize sterile processing professionals and inspire systemic change.
Show, Tell, Teach: Elevating EVS Training Through Cognitive Science and Performance Coaching
April 25th 2025Training EVS workers for hygiene excellence demands more than manuals—it requires active engagement, motor skills coaching, and teach-back techniques to reduce HAIs and improve patient outcomes.