Testing & Differential Diagnosis
Learn about lab markers, symptom tracking, elimination testing, preparation steps, and medical discussion points.
Histamine, DAO & Mast-Cell Testing
DAO Test: Can a Blood Test Diagnose DAO Deficiency?
DAO can be measured in blood, but the result alone cannot diagnose DAO deficiency or histamine intolerance.
Allergy, MCAS & Intolerance Differentials
DAO Deficiency vs Histamine Intolerance Explained
Why most people confuse these two conditions and how that leads to wrong treatments.
Allergy, MCAS & Intolerance Differentials
Histamine Intolerance vs Food Allergies: How to Tell the Difference
Understanding the crucial differences between histamine intolerance and food allergies can transform your approach to managing food-related symptoms and prevent unnecessary restrictions.
Histamine, DAO & Mast-Cell Testing
Histamine Intolerance Blood Test: Which Tests Work (And Which Are a Waste of Money)
You've spent months—maybe years—dealing with symptoms no doctor can explain. The headaches, digestive issues, skin reactions, and crushing fatigue have sent you from...
