Journal ArticleNature microbiology·May 2026
Diabetes Drug Acarbose May Calm Severe Allergies By Reshaping Gut Bacteria
Key Insight
This study hints that gut bacteria metabolites like succinate may shape allergic responses.
In mice, the diabetes drug acarbose changed how gut bacteria use carbs, boosting a microbe that produces succinate. That succinate then blocked the mast cell reactions behind severe allergic shock. A look at human records found people taking similar drugs had fewer anaphylaxis cases.
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