Food Triggers That Can Cause Migraines: What to Avoid and Why
Some of the foods and drinks are also some of the best-known triggers of migraines. The American Migraine Foundation (2022) states that almost 27% of people experiencing migraines believe that food is one of the triggers for their migraines. Food triggers do not cause migraines by themselves. Food triggers always occur together with other triggers. Identifying and managing personal dietary triggers is one of the most practical ways to reduce migraine frequency.
How Do Foods Trigger Migraines?
Foods trigger migraines through several biological mechanisms, depending on the specific food or substance involved.
Key Mechanisms
- Vasodilation (widening of blood vessels): Certain compounds in food cause blood vessels in the brain to dilate, activating pain-sensitive nerve endings and triggering migraine pain
- Tyramine accumulation: Tyramine is a natural compound that builds up in aged, fermented, or processed foods. High tyramine levels affect norepinephrine (a brain chemical that regulates blood pressure and alertness), which can trigger migraines in sensitive individuals
- Serotonin fluctuation: Certain foods can quickly affect serotonin levels (a brain chemical that helps control mood and pain), which may make a person more prone to migraines.
- Inflammatory response: Certain food additives and preservatives trigger low-grade inflammation in the nervous system, increasing migraine susceptibility
- Hypoglycemia (low blood sugar): Skipping meals or eating high-sugar foods causes blood sugar spikes and crashes, which are a recognized migraine trigger
What Are the Most Common Food Triggers for Migraines?
1. Aged and fermented foods: They are often reported as migraine triggers, mainly because they contain high levels of tyramine.
- Aged cheeses like cheddar, parmesan, blue cheese, brie, and camembert
- Fermented foods like kimchi, miso, sauerkraut, kimchi, and soy sauce
- Cured and processed meats such as salami, pepperoni, hot dogs, and bacon
- Pickled foods such as pickles, olives, and pickled herring
2. Alcohol: Alcohol is often reported food-related migraine triggers, particularly in women.
- Red wine is the most frequently reported alcoholic trigger, due to its high tyramine, histamine, and tannin (plant-based compounds found in grape skins) content
- Beer, especially dark beer, contains tyramine and sulfites (preservatives used in alcohol production)
- Spirits such as whiskey and bourbon contain congeners (byproducts of alcohol fermentation) that are associated with increased migraine risk
- Even small amounts of alcohol can trigger migraines in highly sensitive individuals
3. Caffeine: Caffeine has a complex relationship with migraines. Caffeine can both relieve and trigger migraines depending on the amount consumed and the pattern of use.
- Regular high caffeine intake makes the brain dependent on caffeine to maintain normal blood vessel tone
- Caffeine withdrawal, even after missing a single daily cup of coffee, can trigger a migraine within 12 to 24 hours
- Consuming more than about 200 mg of caffeine in a day (roughly two standard cups of coffee) increases migraine risk in regular sufferers
- Caffeine is seen in coffee, tea, energy drinks, cola, chocolate, and some over-the-counter pain medications
4. Food Additives and Preservatives: Several artificial additives commonly found in processed and packaged foods are recognized migraine triggers.
- Monosodium glutamate (MSG): A flavor enhancer widely used in fast food, instant noodles, chips, and processed snacks. MSG triggers migraines in sensitive individuals by overstimulating glutamate receptors (nerve cell receptors involved in pain signaling) in the brain
- Nitrates and nitrites: Preservatives used in processed meats such as hot dogs, salami, and deli meats. Nitrates cause blood vessel dilation, which can trigger migraine pain
- Aspartame: It is an artificial sweetener found in diet sodas, sugar-free gum, and low-calorie packaged foods. Aspartame is believed to affect serotonin levels and lower the migraine threshold
- Sulfites: Preservatives found in wine, dried fruits, and some packaged foods. Sulfites trigger migraines in some individuals, particularly those with sulfite sensitivity
5. Chocolate: Chocolate is also mentioned as one of the possible migraine triggers; however, it is not entirely clear. Chocolate contains chemicals such as tyramine and caffeine that can trigger migraines in some individuals who are particularly susceptible to it. However, it is also believed that the craving for chocolates may actually be one of the early signs of the onset of migraine. The stage of migraine when it is yet to start is called the prodrome stage.
6. Citrus Fruits: Citrus fruits like limes, oranges, lemons, and grapefruits contain tyramine and histamine (a compound involved in immune responses and allergic reactions). Citrus fruits are a trigger for some migraine sufferers, though citrus fruits are not a universal trigger and affect a minority of people.
7. Skipping Meals and Fasting: Skipping meals is one of the most reliably documented dietary migraine triggers.
- Going more than 4 to 5 hours without eating causes blood sugar levels to drop
- Low blood sugar (hypoglycemia) activates the stress response, releasing hormones that can trigger a migraine
- Intermittent fasting or prolonged calorie restriction increases migraine risk in susceptible individuals
- Dehydration, which often accompanies fasting, further compounds migraine risk
Common Food Triggers at a Glance
How to Identify Your Personal Food Triggers
Not every food trigger affects every person with migraines. Personal identification is essential because eliminating all potential trigger foods unnecessarily restricts diet and reduces quality of life.
1. Keeping a Food and Migraine Diary
- Make a list of all the foods and drinks you have for about 4 to 6 weeks
- Keep track of meal timings and mention if you skip any meals
- Note the date, time, and how intense each migraine episode is
- On migraine days, also record other factors like stress, sleep quality, and menstrual cycle timing
- Try to spot patterns, such as certain foods followed by a migraine within 6 to 48 hours
- Share this record with a doctor or dietitian so they can help identify possible triggers
2. The Elimination Diet Approach
An elimination diet involves removing all suspected trigger foods for 4 to 8 weeks and then reintroducing food groups one at a time to identify which specific foods trigger migraines. An elimination diet should always be done under the supervision of a registered dietitian to ensure nutritional adequacy.
How to Manage Dietary Migraine Triggers
1. Practical Dietary Strategies
- Eat at regular intervals: Try to have meals every 3 to 4 hours to keep blood sugar levels steady and reduce the chances of migraines caused by low sugar levels.
- Stay well hydrated: Drink around 8 glasses of water a day, as dehydration can make migraine triggers more intense.
- Check food labels carefully: Look for hidden ingredients like MSG, nitrates, aspartame, and sulfites in packaged or processed foods, as these may trigger migraines in some people.
- Reduce caffeine slowly: Instead of stopping caffeine all at once, cut down gradually to avoid withdrawal headaches that can trigger migraines.
- Prefer fresh foods: Try to eat fresh, less processed foods more often, and limit aged, fermented, or heavily packaged items when possible.
- Be mindful with alcohol: Limit alcohol intake, especially red wine and dark beer, and notice if drinking alcohol regularly leads to a migraine.
2. Foods That May Help Reduce Migraines
While certain foods trigger migraines, some dietary choices are associated with reduced migraine frequency.
- Magnesium-rich foods: Many people with migraines are found to have low magnesium levels. Including foods like spinach, almonds, pumpkin seeds, black beans, and avocado in the diet may help support better migraine control.
- Omega-3 fatty acids: These healthy fats are present in fatty fish such as salmon, mackerel, and sardines. They have anti-inflammatory effects, which may help in lowering how often migraines occur.
- Riboflavin (vitamin B2): This vitamin is found in foods like eggs, lean meats, dairy products, and green leafy vegetables. Studies suggest that taking riboflavin in proper amounts can help prevent migraines in some individuals.
- Ginger: Ginger has anti-inflammatory and anti-nausea properties and may help reduce migraine severity when consumed at the onset of an attack
Conclusion
Food can play a role in triggering migraines, but it’s also something you can manage. Common triggers include aged cheese, red wine, processed meats, MSG, artificial sweeteners, caffeine withdrawal, and skipping meals.
Keeping a food and symptom diary for a few weeks can help spot patterns. Regular meals, good hydration, and cutting back on processed foods or caffeine gradually can help. Guidance from a doctor or dietitian can make this approach safer and more effective.
