Is Probiotics Safe with Azithromycin?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Take probiotic supplements at least 2 hours after Azithromycin during treatment and continue probiotics for at least 4 weeks after completing the antibiotic course to help restore gut microbiome.
Why this interaction occurs
Azithromycin has broad-spectrum activity that can reduce or eliminate probiotic bacteria strains (e.g., Lactobacillus, Bifidobacterium) in the gut. Spacing doses reduces direct killing of probiotic organisms and post-course use aids microbiome recovery.
Evidence
Evidence level: moderate.
Reported safety data
The FDA’s adverse event reporting system (FAERS) has received 78,549 reports mentioning Azithromycin. This reflects reported cases involving the medication in general — not confirmed causation, and not specific to the Azithromycin + 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 Azithromycin interactions →
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Educational only — not medical advice.
Always confirm with your doctor or pharmacist.