Common Medications May Change Your Gut for Years After You Stop Taking Them
Summary
A new study found that many common medicines can change the bacteria in people’s guts, and these changes can last for years after stopping the medications. Researchers discovered that drugs like antibiotics, antidepressants, blood pressure pills, stomach acid reducers, and anxiety medications each leave unique marks on gut bacteria.Key Facts
- The study analyzed stool samples from over 2,500 people in Estonia along with their medication records.
- Most medicines studied were linked to changes in the gut microbiome, the community of bacteria in the digestive system.
- These changes often remained detectable years after the medication was stopped.
- Antibiotics are known to affect gut bacteria, but the study also found similar effects from antidepressants, beta-blockers, PPIs (stomach acid reducers), and benzodiazepines (used for anxiety).
- Different drugs in the same category can impact gut bacteria differently; for example, two benzodiazepines showed distinct effects.
- Babies, young children, and older adults might be more affected by these changes due to their developing or weakened gut bacteria.
- Follow-up testing supported that starting or stopping medications caused shifts in gut bacteria.
- Understanding these long-lasting effects may help improve future research linking gut bacteria to health problems.
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