Histamine Self-Test


  Take the Self Test here

Allergy-like Responses 

  • Red, itchy, or watery eyes 

  • Sneezing, runny nose, or congestion 

  • Sensitive to certain foods (red wine, fermented foods, cheese, chocolate) 

  • Sensitive to certain smells, fumes or exhaust 

  • Coughing or frequent throat clearing 

  • Asthma or wheezing 

  • Known allergies 


Digestive Responses 

  • Diarrhea or constipation (less common) 

  • Stomach cramps / abdominal pain 

  • Bloating 

  • Flatulence / gas 

  • Heartburn / acid reflux 

  • Upset stomach after eating 

  • Irritable Bowel Syndrome (IBS) 

  • Small Intestine Bacterial Overgrowth (SIBO) 

  • Nausea / vomiting 


Skin Responses 

  • Itching 

  • Hives 

  • Rashes such as eczema or contact dermatitis 

  • Dark circles under eyes not due to lack of sleep 

  • Mouth / tongue sores 

  • Mouth itches or tingles after certain foods 

  • Reaction to insect bites, especially wasp (hymenoptera) stings 

  • Swelling, often around eyes and mouth 

  • Flushed red cheeks, ears, or nose 

  • Skin stays red long after being scratched 

  • React after sun exposure

Cardiovascular Responses 

  • Racing heart / fast heartbeat 

  • Heart pounding / heart palpitations 

  • Low blood pressure or sudden changes in blood pressure 

  • Dizzy when standing up quickly 

  • Fainting 


Nervous System and Psychological Responses 

  • Anxiety 

  • Rapid mood changes 

  • Depression 

  • Confusion / brain fog / poor focus 

  • Headaches 

  • Migraines 

  • Vertigo 

  • Insomnia 

  • Extreme fatigue 

  • Restless Leg Syndrome (RLS) 

  • Motion Sickness 


Other Responses and Unusual Responses 

  • Premenstrual flare ups, PMS menstrual irregularities 

  • Joint and muscle pain / fibromyalgia 

  • Frequent bloody nose 

  • Sweaty hands and feet 

  • Ringing in ears 

  • Hot flashes 

  • Frequent urination or irritable bladder 

  • Excess salivation 

  • Weight gain or weight cycling 

  • Low alcohol tolerance Sensitive to loud noises or bright lights 

  • Sensitive to wool, heat, cold 

  • Sensitive to odors or fragrances 

  • Autism, ADHD, or spectrum 

  • Feel hungover without drinking alcohol 

  • Muscle weakness 

  • Multiple confusing symptoms that come and go 

Increased Risk 


  • History of previous allergies, asthma  or other responses listed above 

  • Taking antibiotics (now or previously) 

  • Taking multiple medications 

  • Negative reaction to certain medications (e.g. morphine) 

  • Feel worse after taking certain supplements 

  • Using toxic chemicals (or exposed to them) 

  • Family member has histamine -related issues 

  • Hormone imbalance such as estrogen dominance 

  • Exposed to moldy environment (home, car, school, work) 

  • Use plastics for food prep and storage 

  • Smoke cigarettes (or related) or exposed to second-hand smoke 

  • Consume few fresh fruits and vegetables 

  • Consume a lot of sugar or refined carbohydrates (cakes, cookies) 

  • High stress 

  • Taking painkillers, antacids, steroids, or contraceptive pill 

  • Poor diet, fad diet, or restrictive diet 

  • Drink alcohol > 1x/week 

  • Lack of sleep 

  • Late night eating 

  • Yeast overgrowth (Candida) 

  • Menopause or perimenopause 


If you checked: 

  • over half of the boxes in any one of the sections, it’s likely you have excess histamine 

  • < 20 boxes on this entire list, it’s unlikely you have excess histamine 

  • 20-40 boxes on this entire list, it’s likely you have excess histamine 

  • > 40 of the boxes on this entire list, it’s very likely you have excess histamine 

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