Is Probiotics Safe with Clindamycin?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Begin probiotic supplementation (Lactobacillus rhamnosus GG or Saccharomyces boulardii) at the start of clindamycin therapy, spaced 2 hours apart. Continue for minimum 4 weeks after completing the course.
Why this interaction occurs
Clindamycin carries one of the highest risks among antibiotics for inducing Clostridioides difficile infection due to profound disruption of colonization resistance in the colon. Clinical trials demonstrate that prophylactic probiotics during clindamycin therapy reduce C. difficile-associated diarrhea incidence by up to 60%.
Evidence
Evidence level: strong.
Reported safety data
The FDA’s adverse event reporting system (FAERS) has received 42,468 reports mentioning Clindamycin. This reflects reported cases involving the medication in general — not confirmed causation, and not specific to the Clindamycin + supplement combination on this page.
FAERS reports are voluntary and cannot prove that a drug caused an event. Do not use report counts to assess the safety of this specific drug-supplement pair.
Frequently asked questions
Related interactions
All Probiotics interactions → · All Clindamycin interactions →
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Educational only — not medical advice.
Always confirm with your doctor or pharmacist.