By Dr. Liji Thomas, MD Reviewed by Lauren Hardaker Nov 17 2025 A multi-omics analysis reveals that individuals with allergic rhinitis harbor a distinct microbial and metabolic fingerprint in their gut, which may contribute to amplifying nasal inflammation, highlighting new possibilities for microbiome-based treatments. Study: Integrated gut microbiome and metabolomics analysis reveals microbial-metabolic cross-talk in allergic rhinitis . Image credit: Laia Balart/Shutterstock.com New evidence