Mast Cell Activation Syndrome in Midlife Women: Symptoms, Histamine & Hormones

Have you ever wondered why symptoms like bloating, migraines, anxiety, rashes, dizziness, or food sensitivities seem to get worse during perimenopause? Have you been told your symptoms are “normal” even though your body feels like it’s reacting to everything?

In this episode of Menopause Rescue, Dr. Polly Watson and Kate Willis NP-C break down mast cell activation syndrome (MCAS), histamine intolerance, and the growing connection between immune dysregulation, hormones, and women’s health in midlife. They explain how these conditions may contribute to symptoms across multiple body systems and share practical strategies to help calm inflammation, support the nervous system, and improve quality of life.

🌸 Mast cells are part of the immune system and can affect the skin, gut, brain, heart, and nervous system when they become overactive.

🌸 Histamine intolerance and mast cell activation syndrome are related, but they are not the same condition.

🌸 Hormonal shifts during perimenopause and menopause can trigger or worsen mast cell symptoms in some women.

🌸 Symptoms like migraines, IBS, anxiety, flushing, heart palpitations, dizziness, and fatigue may all be connected through immune dysregulation.

🌸 Nervous system regulation, stress reduction, and trauma-informed healing can play a major role in calming mast cell activity.

🌸 Common triggers can include infections, mold exposure, alcohol, certain foods, environmental chemicals, and chronic stress.

🌸 Treatment options may include low-histamine nutrition, antihistamines, supplements, mast cell stabilizers, and lifestyle changes that support healing.

If you’ve been struggling with symptoms that don’t seem to fit neatly into one diagnosis, this episode will help you better understand what may be happening in your body. You’ll walk away with practical insights, validation, and hopeful next steps for supporting your health in midlife.

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