Diagnosis
Getting a histamine intolerance diagnosis is genuinely difficult – there’s no single definitive test, and the condition overlaps with SIBO, mast cell disorders, oestrogen dominance, and several other conditions. These guides cover the diagnostic process, the most useful tests available, and the conditions most commonly confused with or co-occurring alongside histamine intolerance.
Diagnosis
What a Histamine Levels Test Actually Shows
If you’ve been dealing with hives, flushing, pounding headaches, or gut trouble after meals, your doctor may have suggested a histamine levels test. It sounds…
Diagnosis
How the Vagus Nerve and Histamine Intolerance Are Linked
The vagus nerve and histamine intolerance come up together more and more often in online communities, where advice to “regulate your nervous system” sits alongside…
Diagnosis
How Birth Control and Histamine Intolerance Connect
Birth control and histamine intolerance is a link many women ask about, often because their symptoms seemed to start or change around the time they…
Diagnosis
Antihistamine vs DAO vs Elimination Diet, Explained
Once someone suspects histamine intolerance, the antihistamine vs DAO vs elimination diet question comes up almost immediately, usually framed as three interchangeable options. They aren’t.…
Diagnosis
Tryptase Test and Histamine Intolerance Are Often Confused
Your doctor mentions ordering a tryptase test, and you assume it is just another name for the DAO blood test you have already researched. Tryptase…
Diagnosis
Why Your Histamine Test Might Be Misleading You
A histamine test can seem like the answer to months of uncertainty, but most tests used for histamine intolerance are less reliable than people are…
Diagnosis
Telling Seasonal Allergies vs Histamine Intolerance Apart
Every spring, you sneeze, your eyes water, your nose runs, and you feel foggy and tired. Every spring, you also seem to react more to…
Diagnosis
DAO Gene Mutation and Histamine Intolerance, What Genetics Can Tell You
Two people can eat the exact same meal, at the exact same restaurant, and one walks away fine while the other spends the evening with…
Diagnosis
Is Histamine Intolerance Real? What 2023 Research Found
You will not find this sentence on most histamine intolerance websites: a placebo-controlled study published in 2023 gave people with suspected histamine intolerance histamine or…