Ep 203: Making sense of milk intolerances in infants, with Pediatric gastroenterologist, Dr Victoria Martin, MD, MPH

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In this podcast episode, a pediatric gastroenterologist, Pediatric GI expert Dr. Victoria Martin joins me to demystify milk intolerance in babies—what FPIAP and cow’s milk protein intolerance really mean, why these diagnoses are tricky, and how families can find practical, evidence-based solutions.shares her expertise on milk intolerances in infants.

Dr. Martin emphasizes the importance of supporting breastfeeding mothers, addressing misconceptions about milk allergies, and the potential benefits of early allergen exposure. Additionally, Dr. Martin and the host discuss the role of lactose intolerance, and nutritional considerations for infants.

Dr. Victoria (Tori) Martin is an Assistant Professor of Pediatrics at Harvard Medical School, Co-Director of the Pediatric Gastroenterology Section of the Food Allergy Center at Massachusetts General Hospital for Children, and Associate Program Director of the MGHfC Pediatric GI Fellowship. Her research focuses on early-life GI health, food antigens, and the infant microbiome.

Key takeaways

• “Lactose intolerance” is not a typical infant diagnosis; infant concerns are usually protein related.
• Microscopic stool blood alone has limits—treat the baby, not just the test.
• For breastfed infants with visible blood and discomfort, consider short, targeted milk-protein elimination, then a re-challenge in ~1 month to confirm diagnosis and avoid unnecessary long-term restriction.
• Hypoallergenic formulas are an option; prioritize growth, feeding comfort, and family well-being.
• Early, safe introduction of other allergens (e.g., peanut, egg) should still proceed on schedule unless otherwise directed by your clinician.

Your Child is Normal is the trusted podcast for parents, pediatricians, and child health experts who want smart, nuanced conversations about raising healthy, resilient kids. Hosted by Dr. Jessica Hochman — a board-certified practicing pediatrician — the show combines evidence-based medicine, expert interviews, and real-world parenting advice to help listeners navigate everything from sleep struggles to mental health, nutrition, screen time, and more.

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