Gut microbiota and health · Cohort or register study

How long do antibiotics leave a mark on your gut?

Paper: Antibiotic use and gut microbiome composition links from individual-level prescription data of 14,979 individuals
Baldanzi et al. · Nature Medicine 2026 · doi.org/10.1038/s41591-026-04284-y

Watch in the feed

What the trailer says

How long do antibiotics leave a mark on your gut? In 14,979 Swedish adults, some antibiotics were linked to changes 4–8 years later.

AI-assisted summary with an AI voice, not reviewed by the authors. Made from the paper under its CC BY licence. Read the paper before relying on a finding. Keywords: antibiotic use, gut microbiota, fecal microbiota, species diversity, clindamycin, fluoroquinolones.