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Could Histamine Be Affecting More Than Just Your Allergies?

  • Writer: Dr. Arlene Johnston
    Dr. Arlene Johnston
  • Aug 3
  • 2 min read

What Is Histamine?


Histamine is a natural chemical your body makes that helps with things like immune responses, digestion, inflammation, and communication between nerves.


Most people think histamine is only related to seasonal allergies. But histamine can affect a lot more than just sneezing or itchy eyes.


Normally, your body breaks histamine down and clears it out. But when histamine starts building up faster than your body can process it, symptoms can start showing up in different parts of the body.


For some people, this can look like:


• Bloating or stomach discomfort

• Headaches or migraines

• Congestion or postnasal drip

• Skin flushing or itching

• Feeling reactive to foods or environmental triggers

• Menstrual cramps

• Feeling inflamed, reactive, or just not quite right


This can happen for a lot of reasons, including:


• Seasonal allergies and environmental triggers

• Gut inflammation or imbalance

• Stress

• Hormonal changes

• Certain medications

• Reduced DAO enzyme activity


We tend to see this flare more during allergy season when histamine exposure is already higher. Because these symptoms overlap with so many other things, histamine issues often get missed.


Why This Matters


When histamine levels stay high, the body can get stuck in a more reactive, inflamed state.


For many people, supporting histamine balance may help with:


• Better breathing and less congestion

• Fewer headaches

• Less bloating and stomach irritation

• Better tolerance to environmental triggers

• Feeling less inflamed or reactive overall


This is one reason some people start feeling noticeably better once histamine levels are better supported.


Supporting Histamine and Seasonal Allergies


There are a few things we commonly use during allergy season to help support histamine balance and inflammation levels.


Quercetin Ascorbate


Quercetin is a plant compound that can help stabilize histamine release and support a healthy inflammatory response.


Combined with vitamin C, it may help support:


• Lung and respiratory health

• Seasonal allergy symptoms

• Histamine balance

• Inflammation support


You can get Quercetin Ascorbate HERE


HistaEze


HistaEze is designed to help support the body during seasonal and environmental allergy exposure.


Many people use it to help support:


• Sinus and respiratory comfort

• Histamine balance

• Seasonal allergy symptoms

• Immune system support


You can get HistaEze HERE


HistaGest-DAO


For people who may struggle more with breaking histamine down, HistaGest DAO provides DAO enzyme support to help process histamine more effectively.


This may be especially helpful for people who notice:


• Digestive symptoms after eating

• Flushing, headaches, or bloating

• Food sensitivities

• Increased reactivity during allergy season


You can get HistaGest-DAO HERE


Next Steps


Histamine intolerance is easy to miss because the symptoms can seem unrelated at first.

If you’ve been dealing with allergies, headaches, bloating, inflammation, or feeling reactive more often than usual, histamine may be part of the picture.

You can bring this up at your next visit or schedule a follow up if you’d like to talk through it more.



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