Histamine Intolerance (HIT)

If you feel you’re allergic to pretty much everything, but your doctor has ruled out any allergy, you may be suffering from food intolerance or histamine intolerance — or both. We can help you find out and then tell you how to change your diet to deal with your problems. The great thing is our internist will also tell you how to prevent other illnesses. 

What is histamine intolerance (HIT)?

Histamine intolerance appears when you get more histamine than your body is able to degrade. This happens when the food we eat contains too much histamine or our body produces too much of its own histamine.

Histamine intolerance doesn’t appear in younger age groups. At a younger age, we have enough DAO enzymes that are responsible for histamine. With age, some people lose this ability (80% of those are middle aged women) and enzyme levels may change over time, so problems may vary even for the same client.

What is histamine?

Histamine is a part of the immune system and also participates in some regulatory reactions of our organism. It drives the secretion of mucus and cell reproduction. It also works as the hormone responsible for vigilance and it helps us deal with inflammation and injury.

Histamine is also produced during allergic reactions and can even lead to anaphylactic shock. Chemicals in food can also lead to histamine production.

What are the signs of histamine intolerance?

Well, there are many. Reddening skin is one of them, itching and swelling yet another. Cold, tear production, migraine, vertigo, drop in blood pressure, stomach cramps, diarrhea, heartburn, painful menstruation. If you’re pregnant, it may lead to miscarriage or premature birth. Histamine can also lead to a higher heart rate, problems with breathing and extensive coughing.

How quickly are symptoms of intolerance visible?

Symptoms may appear in a matter of minutes, mostly up to an hour. The symptoms are likely to return so guessing which food is the reason is quite difficult.


Most symptoms are directly connected to histamine. Histamine, however, can also lead to higher adrenaline and noradrenaline levels, which in turn lead to higher blood pressure, higher heart rate, and problems with heart rhythm and sleep.


Histamine can also lead to the following problems: tiredness syndrome, atopic eczema, angioedema, solar dermatitis, diarrhea, cramps of an unknown origin, Crohn disease, ulcerous colitis, joint and tendon pain of an unknown origin, some depressions an anxieties, arrhythmia, pathological pregnancy, schizophrenia, rheumatic arthritis.

How do we diagnose intolerance?

Knowing your personal health history and that of your family is quite important, so we’ll discuss that. An examination follows — we check your touch, sight and hearing, measure your blood pressure. Some laboratory tests are done — biochemistry, blood picture, inflammation parameters, DAO enzyme. If other checks are needed, you’ll have them done at other departments of our clinic. The result is a diagnosis with a personalised regime based on the results of the examinations.


Sampling, consultation and examination are all included in the price. The test lasts for about 60 minutes.


Do not eat before the test. Drinks without sugar and alcohol are permitted.


The results will be available within 14 days.

K tomuto produktu nemáme zatiaľ žiadne hodnotenia.

The procedures are also available in installments

Would you be interested in the procedure but can not afford to pay for it all at once? Envy Clinic in cooperation with HOME Credit offers you a loan for our services from 100 euros up to 3000 euros with a repayment period of up to 20 months! You will complete all the requirements for the credit in a few minutes directly at our reception.


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