Migraine is one of the most common conditions in the world and one of the leading causes of years lived with disability, especially for women under 50, and the usual treatment path is a sequence of trials: a triptan, then a preventive, then a different preventive, then perhaps an injection, each tried for weeks against a condition that comes and goes on its own schedule. Many people spend years in that sequence and still finish with residual headache days and no account of why any of it happened.
When a new peptide or inflammatory mediator turns up in migraine research, a new drug often follows it. That's progress, and it's also downstream. There's still no unifying theory of migraine, most likely because it doesn't have one cause to unify.
Before you begin
Is this for you?
This guide is for
- People with diagnosed migraine who want the mechanism rather than another list of triggers
- People whose migraines are partly controlled - the preventive helped, and there are still headache days left over
- People with a clear menstrual pattern to their attacks
- People who suspect their jaw, neck, or posture is involved and have never had that examined
- Anyone whose attacks arrive tangled up with poor sleep, anxiety or low mood - the Sleep Architecture, Anxiousness & Rumination and Depression & Low Mood guides cover those from the other direction
- Anyone whose attacks sharpened in the perimenopausal transition - the Perimenopause guide covers the estradiol changes of the transition itself
This guide is not
- A diagnosis. Several things that aren't migraine present like one, and a few of them are urgent
- A reason to stop or change a prescribed medication on your own
- A guide for a headache that matches the exclusions below - a thunderclap, a neurological deficit, a new pattern after 50 and the rest need assessment first
- A plan for headache treated with acute medication on more than about ten days a month - medication-overuse headache comes first, and it belongs with a provider
- A protocol for pregnancy, nursing or trying to conceive - feverfew, butterbur and the hormonal section all need a prescriber's decision first
- A decision about estrogen-containing contraception or hormone therapy, especially with aura - that belongs to a prescriber
First, the exclusions
When a headache is not a migraine question
Migraine is common enough that it absorbs headaches that aren't migraine, and a few of those are time-sensitive. These need assessment rather than a protocol.
Go to an emergency department now:
- Thunderclap onset - a headache that reaches full intensity within about a minute - or the worst headache of your life
- Weakness, numbness, vision loss, confusion or trouble speaking that hasn't cleared, or a seizure
- Fever, neck stiffness or a rash with headache, or a headache while you feel acutely unwell
- A severe or new headache in the second half of pregnancy or in the weeks after giving birth, especially with vision changes, swelling or high blood pressure - labor and delivery is the right door too
- Headache after a head injury, a new or unusually severe headache while you take a blood thinner, or new neck pain with headache after a neck injury or manipulation, especially with dizziness, double vision, unsteadiness or a drooping eyelid
Get assessed the same day:
- A first episode of weakness, numbness, vision loss or trouble speaking that passed - a transient ischemic attack (TIA) can look the same and clear on its own
- A new headache after around 50, especially with jaw pain when chewing, a tender scalp or temple, or any change in vision - giant cell arteritis, an inflammation of the arteries, can take sight quickly
- A headache that keeps getting worse over days or weeks, or any clear change in a long-standing pattern
- A new headache that's worse lying down or on waking, or brought on by coughing, straining, exertion or sex, or one that's worse standing and eases lying flat
- Headache with cancer, HIV or immunosuppression
- Aura that's always on the same side, lasts more than an hour, or appears for the first time after years without it
The mechanism
Where the pain comes from
Almost all the machinery for interpreting pain sits in the brain, and the brain tissue itself can't register a pain signal at all. It has no nociceptors, the nerve endings that detect tissue damage, which means the pain of a migraine is being generated somewhere else and read centrally.
Two mechanisms produce it. Inflammatory mediators released before the attack dilate the meningeal blood vessels - the membranes covering the brain, not the brain tissue itself; the change in vessel diameter and wall mechanics is transmitted to a structure in the brainstem called the trigeminocervical complex, which relays the signal onward through the thalamus to the cingulate and insular cortex, the regions that build the felt experience of pain. Those same mediators also activate the complex directly, along with the centers that set pain sensitivity and intensity.
The second mechanism is slower and it's the one that turns episodes into a pattern. Pathways that fire repeatedly get better at firing. Over months and years the brain becomes efficient at generating and interpreting these signals, and the threshold drops - central sensitization. First Principles describes the general version of this in the language of prediction: a nervous system sets how much weight each incoming signal gets, called precision-weighting, and one that has learned a signal predicts threat keeps that weighting high even once it's no longer warranted. Central sensitization is that same recalibration, applied specifically to pain. Sunlight, odor, sound, touch: ordinary input starts arriving as an irritant, because the system has learned to expect pain in those circumstances. With enough of that, the system can initiate an attack from a standing start.
The organizing model
Four domains
The four domains are processes that can each produce a migraine, and they overlap freely - most people have one that dominates and at least one other contributing. The reason to separate them is that each responds to different treatments.
Pressure or pounding, often with aura or other non-painful warning symptoms. This is the picture that responds to the vasoconstrictive end of the toolkit - the one where caffeine helps and the triptans do their clearest work - and the calcitonin gene-related peptide (CGRP) medicines work here too, by blocking a pain and vessel-widening signal rather than by narrowing vessels. Triptans aren't used with heart disease, a past stroke, uncontrolled blood pressure or aura that includes weakness. It's also the picture where vasodilators make things worse.
Jaw clenching, grinding, orthodontic history, neck and shoulder tone, posture. The upper cervical muscles feed the same brainstem complex, and the jaw is supplied by the trigeminal system directly. Bilateral pain, rather than one-sided, is a hint that this domain is carrying more of the load than the diagnosis suggests.
An energy-supply problem in the neurons themselves. This is the domain with the most lifestyle leverage and the least attention, and it's where the protocol's supplement and dietary work lands.
Ion channel behavior - how close the resting membrane sits to the threshold for firing. This is why anti-seizure drugs are migraine preventives, and it shares a border with domain three, because the energy supply is part of what holds the membrane where it belongs.
Domains one and four
What the rare migraines explain about the common ones
Familial hemiplegic migraine is uncommon enough that most people reading this won't have it, and it's still one of the clearest windows into the rest.
It's inherited, and it sits in genes governing ion transport - calcium, sodium, potassium - along with energy and neurotransmitter handling. The result is a neuron that's easier to excite than it should be, meaning that it fires on input that wouldn't normally move it. When enough neurons in a region do that together, the result is a slow wave of depolarization followed by silence, traveling across the cortex. That is cortical spreading depression, and where it starts determines what the aura looks like - visual cortex gives you the visual aura, somatosensory gives you the numbness or tingling, olfactory cortex gives you a phantom smell.
One piece of migraine, then, lives in the dynamics of how easily neurons fire. That's why the anti-seizure drugs - valproate and topiramate - are established preventives. Damping excitability is the leading explanation for how they work, through several routes that include sodium and calcium channels and gamma-aminobutyric acid (GABA), the brain's main inhibitory signal.
The difficulty is that they can't aim. Stabilizing the group of neurons that fire too readily means stabilizing the rest of the brain along with them, which is where the cognitive dulling, word-finding trouble and flattening come from. The side effects are the same mechanism arriving where it wasn't wanted. Valproate and topiramate can also harm a developing baby, and topiramate at higher doses can make hormonal contraception less reliable, so anyone who could become pregnant needs a plan with their prescriber before starting either. If the side effects are the problem, that's a conversation about the dose or a switch, not a reason to stop on your own.
The more useful question is what would move the resting state of those neurons back where it belongs, rather than suppressing the whole system. That's the distinction Ethos draws between control, which suppresses the discomfort, and influence, which reads the signal and lets the system adapt. A preventive is an input like any other, and for many people the right one; this guide is about what else can move the resting state. Outside the rare single-gene forms, the answer may run through the mitochondria.
Defining aura
The full range of aura
Aura gets described as flashing lights and zigzags, and for many people it's neither. An aura is a wave of non-painful sensory experience, and it can present as scotomas (blind spots), halos, flashing lights, numbness or tingling, difficulty speaking, or a phantom smell. One-sided weakness can be an aura too, in the uncommon form called hemiplegic migraine, which is a diagnosis for a clinician to make, not one to assume.
The formal definition - what a clinician checks against - asks for fully reversible symptoms with at least three of these features: one symptom spreading gradually over five minutes or more, two or more arriving one after another, each lasting five to sixty minutes, at least one on one side, at least one positive (sparkles or tingling rather than only a loss), and a headache with the aura or within an hour of it. It also asks that nothing else explains it better.
A first-ever episode of weakness, numbness, vision loss or trouble speaking needs same-day assessment before anyone calls it aura, because a TIA can look the same and clear on its own. Sudden new floaters or a shower of flashes, or halos around lights with a painful red eye, need eye care today, since a retinal tear or acute glaucoma can look like migraine, and a recurring phantom smell is worth raising with a doctor, because seizures can cause it too.
Domain two
The neck and the jaw
A large number of people with migraine have a musculoskeletal contributor, and it's routinely the last thing examined.
Muscles that stabilize the head, when their tone is unbalanced, send a continuous signal of instability. Pain signals from the upper neck and from the trigeminal nerve converge on the same gateway, the trigeminocervical complex - the one central sensitization runs through. The muscles of mastication are supplied by the trigeminal system directly. Clenching, grinding and the stress that drives them have a wiring diagram.
The obvious target is the muscle, and the available tools work on the muscle: muscle relaxants, botulinum toxin (Botox), and greater or lesser occipital nerve blocks. They reduce emergency visits and opioid exposure, and they carry their own risks. Botox is approved for chronic migraine, fifteen or more headache days a month.
Pain that starts in the upper neck and suboccipital region and spreads forward into the temple and forehead, or pain confined to one point at the base of the skull that you can cover with a fingertip, is a separate pattern. Those suggest a cervical joint or nerve source rather than migraine. They're sometimes called migraines by the people who have them, because they're severe, and they can act as a trigger for migraine on top. They answer to a different assessment.
Domain three
Energy dynamics
The textbook account of how a mitochondrion makes its energy - a precise electrochemical gradient driving a molecular turbine - has anomalies the standard model doesn't resolve, and First Principles makes the case for a different account underneath it: a looser, more robust biochemistry rather than a precision gradient. Which version is right changes what "mitochondrial dysfunction" means at the cellular level, and a mechanism still being argued over hasn't produced a drug target, so this domain is worked through diet and supplementation rather than a prescription.
Mitochondria run cellular respiration, fatty acid oxidation, cell signaling and ion handling. Two of those matter here directly: they're central to calcium sequestration, and they supply the energy that maintains the membrane potential. On the standard account, a neuron holds its resting charge by actively pumping ions against their gradients, and that pumping is metabolically expensive. Underfund it and the membrane drifts closer to threshold. First Principles also covers a minority account in which much of the cell's ion selectivity is physical rather than pumped, which would change that energy budget.
The clinical correlate is a rare condition called mitochondrial encephalomyopathy, lactic acidosis and stroke-like episodes (MELAS), in which migraine is markedly more common. MELAS is rare enough that almost no one reading this will have it, and it matters as a working model: where mitochondrial function is measurably impaired, migraine is common, which makes acquired mitochondrial impairment a reasonable thing to look for in everyone else. Migraine alongside hearing loss, diabetes, muscle weakness, seizures or stroke-like episodes, particularly with the same pattern down the mother's side of the family, is worth raising with a doctor, since it can point to an inherited mitochondrial condition that needs its own testing.
Why the diet work has evidence behind it
Mitochondria are metabolic machines that turn food into usable fuel, so the composition of the diet is upstream of how well they run. Low-carbohydrate and ketogenic diets have shown useful results in migraine, and that line of research came out of the seizure literature rather than the headache literature - which is itself informative about how closely the two conditions sit.
Burning fatty acids and ketones is energetically favorable: more energy produced, less oxidative by-product per unit. Given that seizures and migraine both respond to ketogenic diets and to anti-epileptic drugs, mitochondrial function and neuronal excitability look like one mechanism seen from two directions rather than two coincidences.
Oxidative stress and its by-products
Around ninety percent of reactive species in a cell are generated by mitochondria, and in a well-buffered system that's normal and useful. The problem arises when production outruns clearance. A hard week, poor sleep, an exam or a deadline leaves a nervous system carrying more unsettled prediction error - in the language of First Principles, more uncertainty to resolve - and working through it asks more of the neuronal mitochondria, with by-products that scale to match.
Unbuffered, those species signal for inflammation through prostaglandins and leukotrienes. That's the point at which nonsteroidal anti-inflammatory drugs (NSAIDs) are useful, and the same mediators dilate the meningeal vessels and sensitize the trigeminal pathways. The anti-inflammatory is working three steps downstream of the oxidative overload that started the attack.
First Principles describes a loop that runs the other way as well: a mitochondrion in a noisier redox environment sends noisier signals, so the predictions built on them are less precise and the prediction error rises, which asks more of the mitochondria again. Whether migraine runs on that loop is a hypothesis, not a finding.
The cyclical pattern
Hormones
Some people get migraines only around menstruation and ovulation; many more get a background pattern with exacerbations there. Around seventy percent of women with migraine have perimenstrual attacks, which makes it the most common identifiable pattern in the condition.
In my experience treating this subset of the migraine population, the driver is nearly always estradiol flux rather than any absolute level. There's a decline shortly after ovulation, and a much steeper one at the onset of menses, and it's the fall itself that the system responds to. The pounding, pulsatile character of these attacks invites a vascular explanation, and vasoconstrictive treatments do work on them - but that's the response, not the cause.
Estrogen does considerably more than reproductive signaling. It acts on receptors governing gene transcription, cellular growth, the synthesis of mitochondria and their complexes, and the machinery that maintains antioxidant capacity. That gives estrogen a hand in domains three and four at once: the energy supply to the neuron and the stability of its membrane. A sharp fall in estradiol is a sharp fall in support for the exact systems that keep excitability in check.
Used well, estrogen is a reasonable tool for menstrually related migraine, because it targets the fall rather than the attack. The approaches built on that idea hold estradiol steady through the days it would otherwise drop: transdermal estradiol around the period, or a continuous or extended-cycle contraceptive that removes the monthly withdrawal. The evidence is supportive and limited. A placebo-controlled trial of perimenstrual estradiol gel found fewer attacks, two small patch trials didn't separate from placebo, and extended-cycle regimens have pilot data rather than guideline backing. Without aura, a category that includes menstrual migraine, the US eligibility criteria place combined hormonal contraception in category 2, where benefits generally outweigh risks. With aura, the molecule, the route and the dose decide the answer.
The risk conversation, with the numbers
There's a standing argument against estrogen in migraine with aura, on the grounds of clotting and stroke risk.
Those figures are for venous clots. The concern in migraine with aura is ischemic stroke, the kind caused by a blocked artery. Among women with migraine, oral contraceptive use is associated with about a threefold increase in that risk, and aura on its own raises it too. That's why the US eligibility criteria for contraceptive use list combined pills, patches and rings as an unacceptable risk (category 4) for migraine with aura, a classification that assumes no other stroke risk factors such as smoking or high blood pressure, while progestin-only and non-hormonal methods stay open. The absolute risk in young women is still low, which belongs in the conversation, not in place of it.
Two opposing qualifications belong with the venous figure. The first is that those data weren't drawn from women with migraine with aura, so they can't say whether migraine's own vascular biology compounds the risk; for stroke, women with aura have been studied directly. The second is that route matters for clots in the veins: transdermal estradiol, the patch or gel used for menopause, hasn't carried the same association as oral estrogen. That doesn't extend to the contraceptive patch or vaginal ring, which deliver ethinyl estradiol and haven't shown a lower clot signal than the pill, and some studies found a higher one.
The mechanism behind that route distinction runs through the liver. Oral estrogen passes through hepatic circulation before it reaches the rest of the body - a first-pass effect - and that pass pushes the liver to synthesize more clotting factors and less of the proteins that hold clotting in check: a net procoagulant shift. Transdermal estradiol enters systemic circulation directly and largely avoids that hepatic surge, which is the leading explanation for why the thrombotic signal doesn't follow it.
Molecule matters alongside route. Most of the contraceptive data come from ethinyl estradiol, a synthetic estrogen built to resist the liver's usual metabolism, which is a large part of why it pushes the liver toward clotting more strongly than the body's own estradiol does at an equivalent dose, and why it does so whether it's swallowed, worn as a patch or used as a ring. The contraception guidance therefore covers every combined method. It says less than it sounds like about oral micronized estradiol at menopausal doses, and transdermal estradiol at those doses hasn't carried the clot signal.
This is a prescriber's conversation and not a protocol item. The molecule, the route, the dose and whether you have aura all change the answer, and none of them are decidable from a guide. Arrive at that conversation knowing the numbers exist, what they say, and that route is a question you're entitled to ask about.
What to track
The diary is the diagnostic
There's no blood test for common migraine. Genetic testing exists for the channelopathies behind familial hemiplegic migraine - the ion-channel genes (calcium, sodium, potassium) - but that's a test for proclivity in a narrow inherited subset, not a diagnostic for the migraine most people have. The pattern is the data for everyone else, and two weeks of recording will tell a clinician more than most of what else is available. Record the attack, and record the day before it. If your attacks may track your period, keep recording for at least three cycles.
The headache is the loud, late signal. The 24 hours before it are where the quiet ones can show up - the yawning, the hunger that shifts, a jaw that tightened, a mood that slipped - and Ethos makes the case for reading those while they're still small. A diary does that on the days you weren't paying attention.
Per attack
The 24 hours before
Worth having on a panel
Serum magnesium is a poor reflection of what's in the cell, so if you have the option, get red blood cell (RBC) magnesium. 'Cycle-timed' means drawn on a cycle day your clinician names, not whenever the appointment happened to be.
The stack
The protocol
Everything below is available through the practitioner dispensary: Fullscript
This is a preventive protocol. None of it aborts an attack in progress, and the timeline is eight to twelve weeks before the frequency data means anything - which is similar to the lag of most pharmaceutical preventives. Run it as the observe, tend, re-observe loop described in Ethos: the two-week diary is the baseline, the protocol is the input, and the same diary kept through weeks eight to twelve shows what the input did. Bring the protocol to a provider before starting, particularly if you're on a preventive already or are pregnant, breastfeeding or trying to conceive, and bring the diary back to them at the end of it: a flat result is information too.
Neuro-Mag, Migranol and ATP 360 all contain magnesium, and Migranol and ATP 360 both contain riboflavin. The overlap is deliberate, and the labels still need checking against each other before stacking.
The core
Magnesium blocks the calcium-permeable channel of the N-methyl-D-aspartate (NMDA) receptor, raising the threshold rather than suppressing the signal. The threonate form is used here because it's the form studied for raising magnesium in the brain rather than in the blood, mostly in animal work; the migraine trials themselves used other magnesium forms at higher doses. This is domain four support.
Three capsules deliver about 144 mg of elemental magnesium, and 2 g of magnesium L-threonate (sold as Magtein) is the ceiling, since no trial of this form went above it (1.5 g if you weigh under about 155 pounds, in the evening or split between morning and evening). Loose stools are the usual first sign of too much magnesium. If you get them, add up the magnesium on your labels and cut back on one product. If you've advanced kidney disease (an estimated glomerular filtration rate, or eGFR, under 30) or are on dialysis, check with the doctor who follows your kidneys before you start. Magnesium leaves the body through the kidneys and can build up when they filter less. If you're prescribed a quinolone antibiotic (such as ciprofloxacin or levofloxacin) or a tetracycline (such as doxycycline), take it at least 2 hours before or 6 hours after this. Magnesium binds these antibiotics in the gut, so less of the dose gets absorbed. If you have myasthenia gravis, check with your neurologist before you start, because magnesium can make muscle weakness worse.
Neuro-Mag Magnesium L-Threonate · Life Extension
Riboflavin is the reason this one is in the core rather than the extras. It's a precursor to the flavin cofactors that carry electrons through complexes I and II of the electron transport chain, which makes high-dose riboflavin one of the better-evidenced mitochondrial interventions in migraine specifically rather than in general. Feverfew and the curcumin and rosemary alongside it work the inflammatory side. Domains three and one in a single product.
Feverfew has traditionally been avoided in pregnancy because it's been used to bring on a period and may stimulate the uterus, and there's no controlled human safety data either way, so if you're pregnant or trying to conceive, talk to your obstetrician (OB) or midwife before taking it. If you take warfarin, get your international normalized ratio (INR) checked within two weeks of starting or stopping this: in case reports, turmeric and curcumin products raised INR in people on warfarin or a similar blood thinner. Together with Neuro-Mag and ATP 360, this adds up to about 375 mg of magnesium a day, just over the 350 mg upper limit for supplemental magnesium. Loose stools are the first sign. If they show up, drop one of the three.
Migranol · Designs for Health
By domain
Petasites, working on vascular tone and inflammatory signaling - domain one. The pyrrolizidine alkaloid (PA)-free qualification is not optional. Unpurified butterbur contains PAs, which can damage the liver; only preparations standardized to remove them are appropriate, and this is one of the few supplements where the specific preparation matters more than the dose. Liver monitoring is a reasonable conversation with extended use. There's no human safety data for butterbur in pregnancy, so if you're pregnant or trying to conceive, talk to your OB or midwife before taking it.
Petadolex · Integrative Therapeutics
For the picture where domain three looks dominant - fatigue alongside the headaches, poor exercise tolerance, a family history of chronic illness on the maternal side. Coenzyme Q10 (CoQ10) and riboflavin-5-phosphate at the electron transport chain, R-lipoic acid and acetyl-L-carnitine into the mitochondrial machinery, phospholipids for membrane integrity, pyrroloquinoline quinone (PQQ) for mitochondrial biogenesis. This is the one to add when the core has helped and what's left still looks like an energy-supply problem.
ATP 360 · Researched Nutritionals
The physical lever
Domain two doesn't have a supplement - its lever is physical. A night guard is the direct answer if clenching or grinding is part of your picture; an occlusal splint fitted by a dentist is the version that protects the joint, not an over-the-counter boil-and-bite. Self-myofascial release with a massage ball or a foam roller, worked into the upper traps, the suboccipitals and the jaw itself, is the daily-practice version of what a manual therapist does in session. A cervical traction device may be worth a trial once someone has examined your neck, if the pattern runs more neck than jaw; it isn't for anyone with a hypermobility condition, rheumatoid arthritis, osteoporosis, a recent neck injury or known neck instability. None of this replaces an examination - who does that is one of the provider questions below.
The dietary lever
A low-carbohydrate or ketogenic pattern has direct evidence in migraine, mostly from small studies, and it's free, although it does have considerable social and personal cost due to choice constraints and its restrictive nature. Ketones are a more energetically favorable fuel with a lower oxidative cost per unit of energy. Vegetables, low-fructose fruit, and unsaturated fats such as olive and avocado oil build the antioxidant capacity the rest of the protocol depends on. If you take insulin or a sulfonylurea, which can drop your blood sugar too far on this pattern, or a sodium-glucose cotransporter-2 (SGLT2) inhibitor, which can tip you into ketoacidosis, a dangerous build-up of acid in the blood, check with your prescriber before changing how you eat; the same goes if you take topiramate, have had kidney stones or an eating disorder, or are pregnant or nursing.
Vasodilators
What to be careful with
If your pattern sits in domain one, vasodilators are likely to be working directly against you, and several of them are available without a prescription.
- Nitric oxide boosters - the beetroot, citrulline and arginine class, which covers most pre-workout formulas and a good deal of the cardiovascular supplement aisle
- Nitroglycerin and nitrate medication - this is well enough established that nitroglycerin is used deliberately to provoke migraine in research settings
- Phosphodiesterase-5 (PDE5) inhibitors such as sildenafil, which has triggered migraine in research settings, and other vasodilatory agents
Take this with you
Questions for your provider
The prescription side of migraine is broad and it belongs in a consultation rather than a guide. These are the questions that open the parts of it most often left unopened.
- I've been tracking my attacks, and there's a pretty specific pattern to them - does that point toward a particular driver, and would that change what we try next?
- Should I be imaged? What would make you want to, and does anything in my examination or history point that way?
- My aura is severe, or migraine with weakness runs in my family - is genetic testing for the channel mutations behind familial hemiplegic migraine relevant to my case?
- I counted from my diary, and I'm medicating more days a month than I realized - could medication-overuse headache be part of what's going on?
- My attacks track my cycle. Is a hormonal approach worth considering, and how does having aura change that? I've read that transdermal estradiol doesn't carry the same clotting signal as oral estrogen, though the contraceptive patch and ring aren't covered by that - do the route, the molecule and the dose change your take?
- If a preventive makes sense for me, which class and why - and how many headache days need to be reduced to justify its use?
- Is a CGRP agent appropriate for me, and what's the case for or against it, given what I've already tried?
- I've been offered a triptan and it helps some attacks but not others - does that tell us anything about what's driving the different ones?
- I don't recall anyone having examined my jaw, my cervical spine, and my posture, and I've read that those can contribute to migraines - do you have a recommendation for who to see to get assessed?
- Are any of my current medications or supplements vasodilators?
Where this leaves you
The reason migraine care so often feels like guesswork is that it frequently is - a sequence of agents tried against a condition whose driving process was never established. Four different processes converge on the same symptoms, and the tool that resolves one does very little for another.
The diary is how you find out which is yours. Two weeks of recording, read against the four domains, narrows the question more than another round of trial and error will. The domain with the most leverage - the energy supply to the neuron - is also the one that gets the least attention in a standard workup.
Too many practitioners fail to listen, and then fail to explain what's known. You are entitled to an account of your own why.
This guide is educational and isn't medical advice, diagnosis, or treatment. It doesn't replace the judgment of a licensed clinician who knows your history and your examination. Headache has causes that range from benign to emergent, and the red-flag section above is a prompt to seek assessment rather than a complete list - nothing here is a substitute for evaluation, and nothing here is an instruction to start, stop, or change a prescribed medication on your own. Hormonal therapy in migraine, particularly migraine with aura, is a clinical decision that depends on the molecule, the route, the dose and your individual risk profile; the figures given are population data and can't be applied to an individual. Butterbur must be PA-free; unpurified preparations are hepatotoxic. Supplements interact with medications and conditions - review any protocol with your clinician before starting, particularly if you're pregnant, breastfeeding, trying to conceive, or taking prescription medication. Merlin may earn a commission on products purchased through the Fullscript plan linked here.
Read this against your own results. Bring what you have - any lab, any year, any provider. Your first month reads your results together, every result against every other, and starts you where it matters most.
Start your first month - $35If you don't feel the value of Merlin after paying for your first month, tell us and we'll refund you in full. Monthly Core, once per person, by email within 30 days. The terms →
No results yet? Bring labs from anywhere, order our $180 baseline panel inside Merlin, or start with the questions, free.
Work with a practitioner. Some pictures want a second set of eyes and a plan you did not have to build yourself.
Start a conversation~ Your health data is never used to train AI. ~