A single course of antibiotics can have lasting effects on your gut microbiome, with changes that last well beyond 4 years. Three types of antibiotics stood out for their long term disruptive impact (3 at left, Figure) nature.com/articles/s41...

Analyses of oral antibiotic use over 8 years in the Swedish Prescribed Drug Register and fecal metagenomes data of 14979 individuals found evidence that antibiotics can have long-lasting impacts on the gut microbiome. https://www.nature.com/articles/s41591-026-04284-y

The composition of the human gut microbiome is related to oral antibiotics used by the host 4-8 years earlier. This is the conclusion of our new study in about 15000 individuals living in Sweden and published in Nature Medicine @naturemedicine.bsky.social 🧵 doi.org/10.1038/s415...