The Microbiome and Allergy: What Primary Care Should Know

About 30% to 40% of the world’s population is affected by some form of allergic disease, making allergy a routine consideration in primary care. But as interest in the microbiome grows, clinicians and patients face an important question: what does the evidence actually tell us about its role in allergic disease? This episode explores immune development, the hygiene and biodiversity hypotheses, food allergy, early-life tolerance, the gut-skin axis, atopic dermatitis, asthma, allergic rhinitis, antibiotic exposure, diagnostic testing, and early peanut introduction. The discussion separates established evidence from emerging associations and considers what, if anything, should change in clinical practice today. Clinicians will come away with practical guidance on maintaining evidence-based allergy diagnosis and management while understanding where microbiome research may shape future approaches to prevention and care. Resources and references: https://www.thermofisher.com/phadia/us/en/resources/immunocast/microbiome-and-allergy-what-primary-care-should-know.html?cid=0ct_3pc_05032024_9SGOV4