Episode 85: Histamine, MCAS, POTS & Endo: The Hidden Connections

Dizziness. Headaches. Random food reactions. Bloating. Palpitations. Period pain that doesn't make sense. If you've been collecting diagnoses — endometriosis, MCAS, POTS — and seeing a different specialist for each one, this episode is going to connect the dots no one else has.Dr. Michelle and Dr. Karina dive deep into histamine, mast cells, and how conditions that seem completely unrelated are often driven by the same underlying mechanisms.In this episode they cover:What histamine actually is — an inflammatory messenger released by mast cells, and why antihistamines only block one piece of a much bigger puzzleThe gut-histamine connection — how gut bacteria imbalances increase histamine production, and why some people react to foods they were totally fine with yesterdayMast Cell Activation Syndrome (MCAS) — a systemic, more intense version of histamine intolerance, with symptoms ranging from skin flushing and hives to brain fog, palpitations, and breathing issuesPOTS (postural orthostatic tachycardia syndrome) — how histamine creates vascular leakiness, why standing up can trigger dizziness or fainting, and a simple at-home heart rate test you can tryThe EDS connection — how a genetic collagen defect (Ehlers-Danlos Syndrome) compounds the vascular issues seen in POTS and MCASPMDD and hormones — why histamine fluctuates with your cycle, and why PMDD often has a histamine and inflammatory componentThe nervous system's role — both external stress and internal stress (nutrient deficiencies, blood sugar swings) drive mast cell instabilityThe 6 health pillars AWH uses to map it all out — insulin & blood sugar, gut & liver health, nutrient deficiencies, oxidative stress, energy production, and nervous system regulationAlso in this episode: an update on AWH's new patient onboarding system, the Advanced Metabolic Rehab program, and what's coming this summer — fertility deep dives and "the core four" of perimenopause.Resources & Links🌐 Book with Dr. Michelle, Dr. Karina, or any AWH practitioner: advancedwomenshealth.ca📧 Ask about clinically guided programs (Metabolic Rehab, Fertility & more): [email protected]📲 Follow Dr. Sarah: @drsarah_nd🏥 Advanced Women's Health: @advancedwomenshealth🎙️ Mentioned: Episode 3: Understanding Histamine Intolerance with Dr. Michelle Mussar, ND — Dr. Michelle's original histamine deep dive