Histamine
Intolerance
By Dr. Sahil Gupta
What is Histamine?
Histamine is a chemical involved in the immune system,
digestion, and the central nervous system.
It is released during allergic reactions and helps regulate
stomach acid and sleep.
What is Histamine Intolerance?
t’s a condition where the body can't break down histamine
properly.
Not a true allergy, but symptoms are similar to an allergic
reaction.
Causes of Histamine
Intolerance
Deficiency or low activity of DAO
enzyme (Diamine oxidase)
Gut issues like leaky gut, SIBO, or IBS
High intake of histamine-rich foods
Certain medications that block DAO
enzyme
Symptoms of
Histamine Intolerance
Headache or migraine
Skin rashes, hives, or itching
Nasal congestion or asthma
Digestive issues (bloating, diarrhea)
Irregular menstrual cycle
Fatigue, anxiety, dizziness
Foods That Trigger
Histamine Release
Strawberries, nuts, egg whites
Shellfish, pineapple
Food additives (preservatives,
colorants)
When to See a Doctor
Persistent allergic-type symptoms
No response to antihistamines
Worsening skin, digestive, or
respiratory issues
Dr.Sahil Gupta
CEO & Founder of IAFA®
🏥 Consult with Dr. Sahil Gupta (B.A.M.S., M.H.A.)
🔹 Ayurvedic Allergy Specialist
🔹 Founder of IAFA Ayurveda®
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