Histamine, Mast Cell & Allergic Response

This report may be useful if you experience any of these symptoms:

Histamine is a chemical messenger your body uses for digestion, alertness, and immune defense, stored mostly in mast cells throughout your skin, gut, sinuses, lungs, and around blood vessels. When the histamine "bucket" fills faster than your DAO and HNMT enzymes can empty it, you get symptoms that look like allergies, food sensitivities, anxiety, or unexplained inflammation, even when standard allergy testing is normal.

• Flushing of face, chest, or ears (with or without obvious trigger)
• Hives, dermographism (writing on skin makes wheals), eczema
• Chronic nasal congestion, sneezing, post-nasal drip
• Headaches/migraines from wine, aged cheese, chocolate, leftovers
• Anxiety, panic, palpitations, especially after meals or 2–4am
• Heat intolerance, exercise-induced flushing, hot-shower reactions
• Reflux, IBS that worsens with histamine-rich foods
• PMS/ovulation histamine flares
• Premenopause worsens histamine symptoms
• Insomnia with 2–4am wake-ups
• Food sensitivities: fermented, leftovers, citrus, tomato, avocado
• Red wine, beer, champagne cause flushing/headache/congestion
• Sulfite reactions (dried fruit, wine, sulfa drugs)
• Brain fog, "wired but tired"
• Tinnitus, vertigo, motion sensitivity
• Interstitial cystitis or UTI-like symptoms without infection
• Anaphylactoid drug reactions to opioids, vancomycin, fluoroquinolones
• POTS, low BP on standing, passing out for unknown reasons
• Itchy palms, soles, scalp, ear canals
• "Random" hives, angioedema (lips, tongue swelling) without known allergy
• Difficulty breathing, runny nose from perfumes, smoke, cleaning products
• Hereditary alpha-tryptasemia diagnosis or family history
• Antihistamines work partially but never fully
• Multiple chemical sensitivity overlap
• Symptoms shift dramatically with menstrual cycle

Answer the symptom questions below as honestly as you can. Combined with your DNA file, your answers help map which parts of your histamine and mast cell system are currently overflowing and what to do about them.