Migraine
A chronic neurological disease causing recurring, severe headache attacks — usually one-sided, pulsating, and worsened by physical activity — which can come with nausea, sensitivity to light and sound, and aura. It's not 'just a bad headache' but a distinct disease with its own neurobiological mechanism, affecting more than a billion people worldwide.
Number of studies
2
Safety
Requires caution
Time to effects
An effective triptan taken early in an attack usually relieves pain within 30-120 minutes; preventive treatment (e.g., beta-blockers, anti-CGRP antibodies) typically requires 8-12 weeks of regular use before its full effectiveness can be assessed.
Who it's for
Table of contents
TL;DR
A chronic neurological disease causing recurring, severe headache attacks — usually one-sided, pulsating, and worsened by physical activity — which can come with nausea, sensitivity to light and sound, and aura. It's not 'just a bad headache' but a distinct disease with its own neurobiological mechanism, affecting more than a billion people worldwide.
- →Keeping a headache diary helps identify individual triggers and can significantly reduce attack frequency without medication
- →Taking acute treatment early (within the first minutes of building pain) meaningfully shortens the duration and intensity of an attack
- →Correct diagnosis of migraine avoids unnecessary, costly imaging in a typical clinical course
| Condition type | Chronic neurological disease — recurring headache attacks with trigeminovascular system activation |
|---|---|
| Level of evidence | Strong — one of the best-studied neurological diseases, with its own class of targeted drugs (anti-CGRP) |
| Target group | Women aged 15-49, people with a family history of migraine, people with coexisting anxiety or depression |
| Key risk factors | Genetic predisposition, female sex, hormonal fluctuations, stress, sleep disturbances, irregular meals |
| Diagnosis | Clinical diagnosis per ICHD-3 criteria, headache diary; imaging only for 'red flags' |
| Status | Not causally curable, but effectively controlled with acute and preventive treatment in most patients |
Understand
Overview
Migraine is a primary headache disorder, distinct from tension-type headache, characterized by recurring attacks of usually one-sided, pulsating pain of moderate to severe intensity, lasting 4 to 72 hours untreated. A typical attack comes with nausea or vomiting and sensitivity to light (photophobia) and sound (phonophobia), and the pain characteristically worsens with routine physical activity, such as climbing stairs. In roughly a quarter to a third of patients, the headache is preceded by aura — transient, fully reversible neurological symptoms, most often visual (flashing lights, zigzag lines, blind spots), less often sensory or affecting speech, developing gradually over several minutes to tens of minutes.
According to the Global Burden of Disease Study 2016 analysis, migraine affected roughly 1.04 billion people worldwide in 2016, ranking sixth among all 328 diseases and injuries assessed in terms of prevalence, and together with tension-type headache accounted for 6.5% of all years lived with disability (YLDs) globally. The disease affects women roughly three times more often than men, with a clear peak between ages 15 and 49 — the most professionally active period of life — making it one of the leading causes of work and school absence among young adults.
The basis of migraine is a complex interaction between genetic predisposition (the disease clearly clusters in families) and heightened excitability of brain structures responsible for processing sensory and pain stimuli. In susceptible people, certain physiological, environmental, or behavioral factors can initiate a cascade of neurological events leading to an attack, though this mechanism is described in detail further in this entry.
Kelman's 2007 study, one of the most frequently cited papers on migraine triggers, found that among more than 1,200 assessed patients, 75.9% could identify a specific trigger for their attacks. The most commonly reported triggers were stress (79.7% of respondents), hormonal changes in women (65.1%), skipping a meal (57.3%), weather changes (53.2%), sleep disturbances (49.8%), and strong odors or perfume (43.7%). Importantly, triggers are usually multifactorial and cumulative — a single exposure rarely suffices to provoke an attack, while several factors combined simultaneously (e.g., stress, sleep deprivation, and a skipped meal) significantly raise the risk.
Diagnosis of migraine is, in the vast majority of cases, clinical — based on the criteria of the International Classification of Headache Disorders (ICHD-3) and a detailed history, often aided by keeping a headache diary, rather than on routine imaging. CT or MRI are indicated mainly when so-called 'red flags' are present — a sudden, thunderclap onset of pain, a first severe headache after age 50, an accompanying neurological deficit that doesn't fit typical aura, fever, or a change in the character of previous headaches — since in a typical migraine course, imaging doesn't change the diagnosis or treatment.
Migraine is sometimes mistakenly treated as 'a stronger version of an ordinary headache,' yet in some patients it progresses to a chronic form, defined as at least 15 headache days per month for more than 3 months, with at least 8 of those days meeting migraine criteria. This transformation's risk is increased by, among other things, overuse of acute painkillers, which can itself trigger a separate syndrome — medication-overuse headache (MOH). Migraine is also linked to a higher risk of coexisting anxiety and depressive disorders, and in women with aura who also use combined estrogen-progestin hormonal contraception, with an increased risk of ischemic stroke — important clinical information when choosing a contraceptive method.
Migraine cannot be cured causally, but in the vast majority of patients it can be effectively controlled — combining acute treatment of attacks, preventive treatment for frequent or severe attacks, and identifying and limiting individual triggers. Correctly distinguishing migraine from other causes of headache and recognizing the aforementioned 'red flags' requiring urgent neurological consultation are essential — self-diagnosis and self-treatment without medical verification, especially with an atypical or worsening course, is not a safe long-term strategy.
Mechanism of action
Migraine aura is underpinned by cortical spreading depression (CSD) — a wave of intense depolarization of neurons and glial cells moving slowly across the cerebral cortex (typically the visual cortex, hence the typical visual aura symptoms), followed by a prolonged phase of suppressed electrical activity. This wave explains the gradual buildup and resolution of aura symptoms over several to tens of minutes and their characteristic 'march' across the visual field.
CSD activates trigeminal nerve endings surrounding the meningeal blood vessels of the brain, initiating the so-called trigeminovascular system — a key element of migraine's pain mechanism. Activated trigeminal fibers release neuropeptides, primarily calcitonin gene-related peptide (CGRP) and substance P, which trigger so-called neurogenic inflammation: dilation of meningeal vessels, increased vessel permeability, and local inflammation. It was precisely this discovery of CGRP's central role over the last two decades that led to a new drug class — anti-CGRP monoclonal antibodies and gepants, targeted directly at this pathway.
With repeated, especially untreated or poorly controlled attacks, central sensitization occurs — neurons in the trigeminal nucleus caudalis in the brainstem and in the thalamus become excessively excitable and respond with pain to stimuli that normally wouldn't cause it. This explains the cutaneous allodynia common among migraine sufferers (e.g., tenderness of the scalp when touched by a comb or glasses during an attack) and is one clinical argument for early treatment of an attack, before sensitization fully develops.
Predisposition to migraine has a strong polygenic basis — the disease clearly clusters in families, and population genetic studies (GWAS) have identified dozens of genetic variants associated with migraine risk, linked among other things to ion channel regulation and glutamatergic neurotransmission. A rare, monogenic form of the disease — familial hemiplegic migraine — is caused by mutations in specific ion channel genes and helps scientifically explain broader mechanisms of neuronal excitability in typical migraine. Fluctuations in estrogen levels, specifically its sharp drop just before menstruation, in turn explain the phenomenon of menstrual migraine and the higher prevalence of migraine among women of reproductive age.
Cortical spreading depression (CSD)
A wave of neuronal depolarization moving across the cerebral cortex — the neurobiological basis of migraine aura.
Activation of the trigeminovascular system
CSD stimulates trigeminal nerve endings around meningeal vessels, initiating the pain cascade.
Neurogenic inflammation and CGRP release
Release of CGRP and substance P causes dilation of meningeal vessels and local inflammation — the headache phase.
Central sensitization
Repeated attacks sensitize brainstem and thalamic neurons, intensifying pain and causing cutaneous allodynia.
Evidence: strong — based on 2 studies in this database.
Benefits
Common myths
MythMigraine is simply a stronger version of an ordinary headache.
FactMigraine is a distinct neurological disease with its own mechanism (trigeminovascular system activation, CGRP release), not a degree of tension-headache severity — which is why it requires a different diagnostic and therapeutic approach.
MythMigraine always requires an MRI to confirm the diagnosis.
FactDiagnosis of typical migraine is clinical, based on ICHD-3 criteria and history; imaging is indicated only when 'red flags' are present, such as a sudden, thunderclap onset of pain or a neurological deficit.
MythOnly women get migraines.
FactAlthough migraine occurs roughly three times more often in women, it also affects men — it's often underdiagnosed in them because symptoms get mistaken for other causes of headache.
MythYou must permanently eliminate all potential food triggers from your diet.
FactTriggers are usually individual and cumulative — restrictively eliminating entire food groups without a confirmed link to your own attacks rarely helps and unnecessarily restricts the diet.
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Practice
Frequently asked questions
Tension-type headache is usually bilateral, dull, pressing, and doesn't worsen with physical activity or come with nausea. Migraine is usually a one-sided, pulsating, severe pain that worsens with activity, accompanied by nausea, sensitivity to light and sound, and sometimes aura.
Yes, migraine has a strong genetic basis and clearly clusters in families — having a parent with migraine significantly increases a child's risk of developing the disease, though inheritance is polygenic, not single-gene (except for rare familial hemiplegic migraine).
Urgent consultation is needed for a sudden, thunderclap headache at maximum intensity from the start, a first severe headache after age 50, a headache with an accompanying neurological deficit, fever, or neck stiffness, and a clear change in the character of previous headaches.
There's no causal treatment that permanently eliminates migraine, but in the vast majority of patients it can be effectively controlled by combining acute treatment, preventive treatment when needed, and managing individual triggers — the goal is a significant reduction in frequency and intensity of attacks, not their complete elimination.
Clinical studies indicate moderate preventive effectiveness for both magnesium and high-dose riboflavin (vitamin B2) — more in our separate articles on magnesium and riboflavin for migraine — but they don't replace acute treatment or neurological consultation for frequent, severe attacks.
What actually helps
Acute treatment (triptans, NSAIDs, gepants)
Strong evidenceTaken early during an attack, they shorten its duration and intensity; triptans are the first-choice drug for moderate-to-severe pain.
Preventive treatment (beta-blockers, anti-CGRP antibodies)
Strong evidenceIndicated for frequent (≥4 migraine days/month) or very severe attacks; the goal is to reduce frequency and intensity, not eliminate the disease entirely.
Identifying and limiting individual triggers
Moderate evidenceKeeping a headache diary and a regular daily rhythm (sleep, meals) reduces attack frequency in many patients without additional medication.
Magnesium supplementation
Moderate evidenceClinical studies show moderate preventive effectiveness, particularly for menstrual migraine and migraine with aura — more in our article on magnesium and migraine.
What to combine with
Good combinations
Magnesium — Magnesium supplementation shows moderate preventive effectiveness, especially for menstrual migraine and migraine with aura
Sleep — Both too little and too much sleep are among the most commonly reported migraine attack triggers
Chronic Stress — Stress is the most commonly reported migraine trigger, and reducing it is one pillar of non-pharmacological prevention
Caffeine — Regular, high caffeine intake, and especially its sudden withdrawal, can provoke an attack in susceptible people
Safety
Side effects & contraindications
Possible side effects
Untreated or poorly controlled migraine can progress to a chronic form (≥15 headache days per month)
Overuse of acute painkillers risks developing a separate medication-overuse headache (MOH)
Migraine is linked to a higher risk of coexisting anxiety and depressive disorders
Women with aura using combined estrogen-progestin contraception show an increased risk of ischemic stroke
Frequent, severe attacks significantly reduce work productivity and quality of life, being a leading cause of sick leave among young adults
Contraindications
No significant contraindications at typical doses.
Interactions
Overuse of acute painkillers (>10-15 days per month) can itself cause medication-overuse headache
Skipping a meal and blood glucose fluctuations are among the most commonly reported attack triggers
An irregular sleep schedule, both too little and too much sleep, can provoke an attack
Withdrawal from caffeine after regular, high intake is a clear trigger in susceptible people
Intense stress, and paradoxically the relaxation period after it (so-called 'weekend migraine'), can initiate an attack
In women with aura, concurrent use of combined estrogen-progestin hormonal contraception increases cardiovascular risk and warrants medical consultation
Is it worth taking?
Who it's for
- Women aged 15-49, among whom migraine occurs three times more often than in men
- People with a family history of migraine — the disease has a strong genetic basis
- People with coexisting anxiety or depressive disorders
- People with an irregular sleep and meal schedule and chronic stress exposure
Not for
- No significant contraindications at typical doses.
Evidence
Worth knowing
Migraine affected roughly 1.04 billion people worldwide in 2016 and was the sixth most prevalent disease among 328 assessed in the GBD study.
75.9% of migraine patients can identify a specific trigger for their attacks, most often stress, hormonal changes, and a skipped meal.
Aura, usually visual, accompanies the attack in roughly a quarter to a third of patients.
Chronic migraine is defined as at least 15 headache days per month for more than 3 months.
Studies
Among 1,207 assessed migraine patients, 75.9% reported an identifiable trigger for their attacks — most often stress (79.7%), hormonal changes (65.1%), skipping a meal (57.3%), weather changes (53.2%), and sleep disturbances (49.8%).
Kelman L., Cephalalgia, 2007
The triggers or precipitants of the acute migraine attack
Strong evidenceKelman L. · Cephalalgia · 2007
An analysis of 1,207 migraine patients found that 75.9% reported identifiable triggers for their attacks — most often stress (79.7%), hormonal changes in women (65.1%), skipping a meal (57.3%), weather changes (53.2%), sleep disturbances (49.8%), and strong odors (43.7%).
View studyGlobal, regional, and national burden of migraine and tension-type headache, 1990-2016: a systematic analysis for the Global Burden of Disease Study 2016
Strong evidenceStovner LJ, Nichols E, Steiner TJ et al. · The Lancet Neurology · 2018
An analysis of Global Burden of Disease Study 2016 data estimated that migraine affected roughly 1.04 billion people worldwide, ranking sixth among 328 assessed diseases by prevalence, and together with tension-type headache accounted for 6.5% of all years lived with disability.
View studySources & bibliography
Citations are illustrative for this demo version and require full bibliographic verification by the editorial team before production publication.
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About the authors of this entry
Author
dr Marek WójcikPsychiatrist
Marek specializes in psychiatry and spent most of his career at the intersection of psychiatry and sleep medicine, watching how often mood disorders and sleep problems feed each other — and how treating them separately tends to work worse than treating them together. Julia talked him into joining, having met him while both were working on the topic of insomnia: him from the clinical side, her from chronobiology. He reviews content on how supplements and lifestyle affect mood, stress and cognitive function, always underlining the difference between easing a symptom and treating its cause, and flagging when a topic goes beyond what's safe to handle on your own. He believes the biggest risk in popular mental-health content isn't too little information but too much of it with no sense of priority — and that's the hierarchy he tries to bring to his reviews.
23 publications on this site
Medical review
dr Anna KowalczykEditor-in-Chief, Molecular Biology
Anna studied molecular biology at the University of Warsaw, then spent eight years after her PhD in a lab researching the mechanisms of cellular aging and autophagy. She stumbled into science journalism almost by accident — frustrated by how easily her field's findings get oversimplified in the media, she started a blog explaining the biology of aging in plain language. That blog became the seed of VitMode. Today Anna oversees the entire editorial process, holding every piece to the same rigor her old lab demanded: primary sources, methodology checks, and honesty about the limits of the evidence. Outside work, she's a dedicated boulderer.
167 publications on this site
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Comments (2)
- KW
Kasia W. 2 weeks ago
Very clearly explained, especially the interactions section — I hadn't seen it laid out this well anywhere else.
- MT
Marek T. a month ago
Are you planning to update this with the newest study from this year? I saw an interesting meta-analysis.