
Histamine, Mast Cells & Hormones
Have you noticed that symptoms like allergies, headaches, gut flares, or anxiety often don’t appear randomly, but instead seem to follow the rhythm of your menstrual cycle?
Spot Patterns, and Reduce Flares

(Days 1–5)
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Estrogen ↓, Progesterone ↓
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Mast cell instability → itching, hives, food reactions
Follicular (Days 6–13)
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Estrogen ↑
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Low blood volume → dizziness, fatigue, palpitations
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Histamine flares possible
Ovulation (~Day 14)
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Estrogen peak, Progesterone low
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Histamine surge → allergies, headaches, gut issues, anxiety
Luteal (Days 15–28)
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Progesterone ↑, Estrogen moderate
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Protective for some, but hypermobility → joint pain/instability
Premenstrual (Late Luteal, Days 24–28)
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Progesterone ↓, Estrogen fluctuates
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Prostaglandins + histamine → cramps, migraines, gut flares
By tracking your cycle, you can uncover patterns in your symptoms, gain insight into your body’s unique responses, and take proactive steps to support yourself before flare-ups occur, while working on the underlying causes via our Metabolic Reboot
