Leena Watts
Histamine intolerance can cause symptoms such as headaches, nasal congestion, and fatigue. To determine whether histamine is the problem, some medical professionals suggest a histamine elimination diet. This involves removing histamine-rich foods from your diet for 2 to 4 weeks, and then slowly reintroducing them one by one. During the elimination phase, it is recommended to eat fresh, unprocessed foods, which typically have lower levels of histamine. A food diary is also essential to record everything you eat and any symptoms you experience. After the elimination phase, you can begin to determine your personal histamine threshold and gradually improve it over time.
| Characteristics | Values |
|---|---|
| Diet Duration | 2-4 weeks |
| Foods to Eat | Fresh fruits and vegetables, grains, smoked meat products, egg whites |
| Foods to Avoid | Fermented foods, aged cheeses, cured meats, alcohol, soy products, kombucha, pickled vegetables, yeast extract, plantains, tomatoes, eggplant, spinach, frozen, salted or canned fish |
| Post-Diet | Determine personal histamine threshold, reintroduce foods one at a time, record everything in a food diary |
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What You'll Learn
Understand histamine intolerance and how it affects your body
Histamine intolerance is a proposed condition that occurs when your body has high levels of histamine. It is caused by an inability to break down histamine, which causes it to build up in your body. This can be due to a variety of factors, such as a deficiency in the enzyme diamine oxidase (DAO), which is responsible for breaking down histamine, or a genetic predisposition. Certain medications and dietary choices can also affect DAO production.
Histamine is a chemical that plays a role in several major systems in the body, including the immune, digestive, and neurological systems. It is naturally produced by the body and is also found in certain foods. Histamine regulates many bodily functions, such as the sleep-wake cycle and cognitive function, and is involved in the body's inflammatory response.
When there is too much histamine in the body, it can lead to a variety of symptoms, including gastrointestinal issues, headaches, nasal congestion, irregular periods, and allergy-like symptoms. These symptoms can vary from person to person and can be similar to those of other conditions, making histamine intolerance challenging to diagnose.
If you suspect you have histamine intolerance, it is important to consult a healthcare provider. They can help determine if your symptoms are due to histamine intolerance or another condition and provide appropriate treatment options. A histamine elimination diet, under medical supervision, may be suggested to help identify and manage histamine intolerance. This involves removing high-histamine foods for several weeks and slowly reintroducing them to assess tolerance.
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Identify high-histamine foods to eliminate
To start a histamine elimination diet, it is important to identify and eliminate high-histamine foods. Histamine intolerance varies from person to person, so it is essential to determine your personal threshold. A food diary is a useful tool to record what you eat and any symptoms experienced. Here are some guidelines for identifying and eliminating high-histamine foods:
Firstly, it is recommended to avoid ripened and fermented foods. This includes older cheeses, alcoholic drinks, products containing yeast, and stale fish. Histamine levels in foods increase with ripeness and age, so it is best to consume fresh products and avoid leftovers, especially meat, that have been left outside the refrigerator.
Secondly, animal proteins and meat products should be carefully managed. Meat and fish should be purchased fresh and stored on ice or frozen immediately to prevent histamine buildup. Processed meat, salami, ham, and sausages should be avoided or reduced as they tend to have higher histamine levels.
Additionally, certain vegetables and fruits should be eliminated or reduced. Tomatoes, eggplant, and spinach are known to have higher histamine levels, so they may trigger symptoms in individuals with histamine intolerance.
It is also suggested to avoid junk food and highly processed foods. These often contain numerous ingredients and additives that can affect histamine levels. Yeast extract, in particular, is deemed unsuitable in a low-histamine diet as it is high in biogenic amines and inhibits DAO, an enzyme that breaks down histamine.
Lastly, some beverages should be eliminated or reduced. Alcoholic drinks and beer, in particular, tend to have high histamine levels and can trigger symptoms in individuals with histamine intolerance.
It is important to note that this list is not comprehensive, and individual tolerance levels may vary. Consulting a certified dietician or doctor is advised before starting a histamine elimination diet to ensure a balanced and safe approach.
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Plan meals with low-histamine foods
A histamine elimination diet is a short-term diagnostic tool to help determine your tolerance for histamine-rich foods. It is not a long-term treatment plan. Histamine intolerance varies from person to person, and a dietician can help you work out a balanced diet.
To plan meals with low-histamine foods, it is important to focus on fresh, unprocessed foods. Fermented, aged, and processed foods tend to have high levels of histamine. Meat and fish should be stored on ice and used or frozen as soon as possible.
Fresh fruits are considered to have low histamine levels, with the exception of plantains, tomatoes, eggplants, and spinach. Fresh vegetables are also recommended, with the exception of the aforementioned tomatoes, eggplant, and spinach.
Grains and products such as rice noodles, white bread, rye bread, rice crispbread, oats, puffed rice crackers, and millet flour are considered low-histamine foods.
Smoked meat products such as salami, ham, and sausages are also low in histamine. Egg whites are also considered a low-histamine food, despite the theory that they release histamine.
It is important to note that histamine levels in food are difficult to quantify and can vary even within the same food product. For example, the histamine level in a piece of cheddar cheese can vary depending on aging, storage time, and additives.
Additionally, while yeast does not contain histamine, it can serve as a catalyst for histamine generation during leavening.
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Keep a food diary to monitor symptoms
Keeping a food diary is an essential part of a histamine elimination diet. This is because everyone has different histamine thresholds, and a food diary can help you to identify your own personal tolerance level. It can also help you to find patterns and determine which foods are causing your symptoms.
To keep a food diary, record everything you eat in a detailed daily log, including the time of day you ate each food. Also, record the times and dates of any uncomfortable symptoms. This will allow you to compare your symptoms with the foods you have eaten and identify any patterns. For example, you might notice that you experience symptoms after eating certain high-histamine foods, such as fermented foods, older cheeses, alcoholic drinks, products containing yeast, or stale fish.
It is important to be as detailed as possible in your food diary, as even the same food product can vary in histamine levels depending on factors such as aging, storage time, and additives. For example, the histamine level in a piece of cheddar cheese can vary significantly depending on these factors. Additionally, be sure to include any symptoms you experience, no matter how mild, as this will help you to identify any patterns or triggers.
After keeping a food diary for a few weeks, you can begin to slowly add high-histamine foods back into your diet, one at a time. Continue to monitor your symptoms and note any changes. This will help you to identify which foods trigger uncomfortable symptoms and determine your personal histamine threshold.
It is important to remember that a histamine elimination diet should be undertaken with caution and under the supervision of a doctor or dietician. This is because restrictive diets can lead to nutrient deficiencies and may make your symptoms worse if you become malnourished.
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Reintroduce foods to gauge your histamine threshold
After the elimination phase, you will need to reintroduce foods to gauge your histamine threshold. Histamine intolerance sufferers have different thresholds, or tolerance levels, so the next step after completing a successful elimination diet is to establish your threshold level, with the aim of gradually improving it over a period of time.
To do this, you should slowly add back in histamine-rich foods, one at a time. You can start with the foods that you miss the most and work your way through the list. It is recommended to use a 4-day reintroduction protocol, where you eat that food a few times throughout the first day of the trial and then not at all for the next three days. During these three days, you will track any and all symptoms you experience in response to the food. If you don't experience any symptoms, you may include that food back into your normal diet. However, if you do experience symptoms, it is best to continue avoiding that food.
It is important to remember that histamine levels in food are difficult to quantify. Even in the same food product, like a piece of cheddar cheese, the histamine level can vary significantly depending on how long it’s been aged, its storage time, and whether it has any additives. Generally, foods that have been fermented have the highest level of histamine, while fresh unprocessed foods have the lowest levels.
It is also important to note that there is no such thing as a "histamine-free diet". Histamine levels in foods vary, and some foods that are not histamine-rich themselves can trigger your cells to release histamine. As such, it is recommended to consult a certified dietician about working out a balanced diet and to keep a food diary to record everything you eat and any symptoms you experience.
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Frequently asked questions
A histamine elimination diet involves removing foods with high histamine levels from your diet for 2 to 4 weeks and slowly adding them back in one by one. This helps people with histamine intolerance pinpoint and avoid specific foods that trigger their symptoms.
Symptoms of histamine intolerance vary from person to person and can include headaches, nasal congestion, fatigue, digestive distress, anxiety symptoms, and allergy signals such as sinus congestion and sneezing.
Foods with high histamine levels include fermented foods, aged cheeses, cured meats, tomatoes, eggplant, spinach, and frozen, salted, or canned fish. It is also recommended to avoid "histamine liberators", which are foods that may cause your cells to release excess histamine into the body.
