TMJ and Migraines: The Often-Missed Connection

June 4, 20261,359 views
TMJ and Migraines: The Often-Missed Connection

The patient has been to the neurologist twice. They have tried sumatriptan. They have tried propranolol. They are keeping a headache diary. They have eliminated caffeine, alcohol, aged cheese, and most foods they actually liked. The migraines have improved somewhat. Not as much as they hoped. They are now sitting in a dentist's chair, because their dentist of fifteen years has, gently, mentioned that their masseter muscles are visibly larger than they should be, that the wear pattern on their molars is consistent with nocturnal grinding, and that the morning headaches that the patient has always assumed were just part of their migraine pattern might be coming from somewhere different than they thought.

This is the conversation that often does not happen. Migraine and temporomandibular disorder are two conditions that have been studied largely in parallel — migraine by neurology, TMD by dentistry — and the overlap between them, which is real and clinically important, gets less attention than it deserves on either side. Patients with both conditions are not unusual. They are also frequently treated for one and not the other, which can leave a significant fraction of their symptom burden in place even after the headache treatment has been optimised. This piece is meant to lay out, honestly, what the connection between TMJ disorder and migraine actually is, what the evidence supports about treating one to help the other, and how a thoughtful patient might think about working with two specialists who don't always talk to each other.

Last medically reviewed June 2026 · Reviewed by the Smyleee Medical Advisory Board · Sources cited inline — click any ¹ to jump
The short version, if you only read one thing
The published data is consistent on the overlap. People with temporomandibular disorder have migraine at much higher rates than the general population — somewhere in the 40 to 60 percent range in TMD populations versus a baseline of about 12 to 15 percent. The mechanism is partly understood: the trigeminal nerve carries sensory information from both the jaw region and the meningeal blood vessels that produce migraine pain, and chronic input from a painful TMJ or overloaded masseter muscle is thought to contribute to central sensitisation that lowers the threshold for migraine attacks. The clinically actionable implication is that treating TMJ disorder often improves migraine frequency in patients who have both — splint therapy, physical therapy, behavioural management, and in selected patients botulinum toxin in the masseter region have all shown some effect on migraine in the published trials. This does not mean every chronic migraine patient has TMD or that TMJ treatment is a migraine cure. It means that for the meaningful subset of patients who have both conditions, addressing the jaw side of the picture is part of a thoughtful treatment plan and gets less attention than it should.

What the overlap actually looks like in the data

The headline statistic is reproduced across multiple independent studies in different countries and populations. Among patients with diagnosed temporomandibular disorder, the prevalence of migraine — using formal International Headache Society criteria, not just self-reported "headache" — sits somewhere between 40 and 60 percent. This compares to a general adult prevalence of migraine that varies by country and definition but is usually quoted at around 12 to 15 percent in published epidemiology. The TMD population is therefore three to four times more likely to have migraine than the background population.

The reverse direction holds too. Among patients with chronic migraine — the more severe form of the condition involving headache on 15 or more days per month — the prevalence of clinically significant TMD is higher than in the general population, though the magnitude varies by study and by how strictly TMD is defined. The link is bidirectional: having one condition makes you more likely to have the other than chance alone would predict.

This overlap is not just statistical noise. It is mechanistically grounded in the way the trigeminal system processes pain, and it has clinical implications that should change the conversation in both directions — neurology and dentistry — when a patient with both conditions arrives.

The trigeminal mechanism — why these two conditions overlap

The trigeminal nerve is the largest of the cranial nerves and carries sensory information from most of the face, the jaw, the teeth, the temporomandibular joint, and — critically — the meningeal blood vessels and dura mater that are involved in migraine pain generation. The same nerve system handles input from the masseter muscles and from the cerebral vasculature. The same brainstem nuclei process both kinds of input. The same higher-order pathways carry both kinds of signal up to the cortex.

What this means in practice is that sustained pain input from one part of the trigeminal system can affect the processing of pain input from other parts. The published model, supported by both animal research and human imaging studies, is one of central sensitisation. Persistent nociceptive input from a chronically painful temporomandibular joint or chronically overloaded masseter muscle gradually lowers the threshold at which the central nervous system experiences pain from other trigeminal inputs — including the dural and vascular inputs that produce migraine. The brain becomes more responsive to pain stimuli generally; the migraine system, which is itself a sensitised pain system, becomes easier to trigger.

The reverse pattern operates too. Chronic migraine itself produces central sensitisation that can lower the threshold at which non-migraine pain inputs — including jaw and muscle inputs — produce conscious pain. Patients with chronic migraine often describe a generalised heightening of sensitivity to many kinds of stimuli, of which jaw symptoms are one form.

The two conditions therefore amplify each other through shared circuitry. Treatment that reduces input from either side may reduce the sensitisation of the whole system and improve both.

3–4×
Approximate increase in migraine prevalence among patients with temporomandibular disorder compared with the general population. The directionality runs both ways: among chronic migraine patients, the rate of significant TMD is also elevated above baseline. The overlap is large enough that any thoughtful evaluation of either condition in a patient who has both should include consideration of the other, even though the two are typically treated by different specialists who do not always communicate.

What "TMJ-related" headache actually feels like

Headache symptoms attributable to the temporomandibular joint and masticatory muscles tend to have specific features that distinguish them, at least partially, from primary migraine. The temporal pattern is the most useful signal. TMJ-related headache typically presents in the temporal region — the muscles of the temples — and the pre-auricular region just in front of the ear. It is often worse in the morning, consistent with overnight grinding and clenching producing accumulated muscle tension by the time the patient wakes up. It is often associated with palpable tenderness of the masseter and temporalis muscles on physical examination. It frequently responds to local interventions like warm compresses, gentle stretching, anti-inflammatory medication, and a well-fitted occlusal splint.

Migraine itself has different defining features: unilateral pulsating pain (though bilateral and non-pulsating presentations occur), photophobia and phonophobia during attacks, often nausea, often a recognisable trigger profile (stress, sleep changes, hormonal shifts, specific foods), and responsiveness to triptans and CGRP-targeted preventive medications.

In a patient with both conditions, the two headache patterns may coexist as distinct entities — true migraine attacks on some days, TMJ-related muscular headache on other days — or they may be mixed, with TMJ input contributing to the baseline sensitisation that makes the migraines more frequent. A careful headache diary that captures the character, duration, associated features, and triggers of each headache day is often the single most useful diagnostic tool for sorting out how much of which is happening.

What treating TMJ does to migraine, in the published trials

The evidence base is smaller and less consistent than the evidence for primary migraine treatment, but it is meaningfully large. Several controlled studies have examined what happens to migraine frequency and severity when patients with comorbid TMD have their TMD treated, and the broad pattern is that some patients improve substantially, some improve modestly, and some do not improve at all — with the patients most likely to benefit being those with prominent TMD symptoms that are clearly contributing to their headache picture.

The specific TMD interventions with the most consistent evidence of effect on migraine include:

Custom-fitted occlusal splints. The published trials show modest but real reductions in migraine frequency in patients with comorbid TMD who wear a properly designed splint at night. The effect size is not large, but in patients with significant nocturnal bruxism contributing to morning headache, a splint can transform the morning symptom pattern.

Physical therapy targeted at the masticatory and cervical muscles. Several trials have shown that structured physical therapy programmes addressing both TMJ and cervical contributors produce meaningful reductions in headache frequency in mixed migraine/TMD populations. The mechanism is reduction of peripheral nociceptive input from chronically tense muscles.

Botulinum toxin in the masseter region. This is an interesting case because botulinum toxin is independently FDA-approved for chronic migraine, and the standard chronic migraine injection protocol — the "PREEMPT" protocol — already includes injections into the temporalis and several muscles in the head and neck. Extending the injections to the masseter, which is not part of the standard PREEMPT protocol, has been studied in patients with comorbid TMD and shows additional benefit beyond the standard migraine sites. For the patient who has both conditions and is considering botulinum toxin treatment, the inclusion of masseter injection is worth a specific conversation with the injecting clinician.

Behavioural and cognitive interventions. Stress management, sleep hygiene, biofeedback, and cognitive-behavioural approaches have evidence of benefit for both TMD and migraine independently. For comorbid patients, these interventions affect both conditions through their shared sensitisation mechanism.

Read also
The masseter-targeted botulinum toxin treatment that overlaps with chronic migraine treatment in selected patients. What the evidence supports for bruxism specifically, where the cost-benefit lands over time, and how the conversation differs from the standard chronic migraine injection protocol.

The patients most likely to benefit from the dual approach

Not every migraine patient has TMD. Not every TMD patient has migraine. The patients for whom the connection actually matters clinically — for whom treating the TMJ side meaningfully improves the migraine side — share recognisable features.

  1. Prominent morning headache pattern. Migraine attacks can start at any time, but a strong pattern of waking up with headache, or of headache being meaningfully worse in the morning, is suggestive of overnight bruxism contribution. This pattern is one of the strongest pointers toward a TMJ-related component.
  2. Palpable masseter and temporalis tenderness. If the muscles of mastication are tender to palpation, particularly with reproducible referred patterns into the temple or behind the eye that match the patient's headache experience, the muscles are likely contributing to the symptom picture.
  3. Visible dental signs. Worn enamel on the back teeth, fractured cusps, scalloped tongue, hypertrophied masseters producing a visibly squarer jawline, exostoses on the inner surface of the lower jaw — these are the dental hallmarks of significant nocturnal bruxism and suggest a substantial muscle-driven component.
  4. Headache flares triggered by jaw use. Headaches that worsen after long meals, prolonged talking, dental procedures involving sustained opening, or sleep with jaw clenching point to a TMJ contribution that the headache treatment alone is not addressing.
  5. Partial or incomplete response to standard migraine treatment despite reasonable optimisation. A patient whose migraine has improved with neurological treatment but not as much as expected, and who has any of the features above, is a strong candidate for adding TMD-directed treatment to the plan.
Read also
For the small minority of patients with severe structural TMJ pathology that has not responded to conservative care, the surgical conversation matters. The companion piece on the full surgical ladder, when each option is appropriate, and the patient-selection conversation that separates good outcomes from disappointments.

The practical problem — two specialties that do not always talk

The biggest barrier for the patient with both conditions is structural rather than clinical. Migraine is managed by neurology. TMD is managed by dentistry, often by orofacial pain specialists, sometimes by oral and maxillofacial surgeons. The two specialties have different training, different journals, different conferences, and frequently different views of the same patient. A neurologist may not routinely examine the masseter muscles or ask about the morning pattern. A dentist may not be familiar with the formal International Headache Society migraine criteria or the modern preventive medication options.

What this means for the patient is that no single clinician is naturally positioned to see and address the whole picture. The patient often has to be the one who recognises the overlap, asks each specialist about it explicitly, and where appropriate, brings a summary of the other specialist's evaluation to the consult. This is not how a smoothly integrated health system should work, but it is what the actual system tends to look like in practice.

A small number of academic centres have orofacial pain or headache centres that explicitly integrate both specialties for patients with mixed presentations. If such a centre exists within reasonable distance, it can be worth seeking it out for the initial evaluation, particularly for patients whose symptoms have not responded well to specialty-isolated treatment.

Two things worth being honest about

The first is that treating TMD will not cure migraine in most patients. Migraine is a primary neurological condition with its own pathophysiology, and the TMD contribution to the symptom picture is partial rather than total in essentially all cases. The right framing for a patient considering this approach is that adding TMD treatment to good migraine management may meaningfully reduce frequency and severity in patients with both conditions — not that it will resolve the migraine.

The second is that not every headache in a TMD patient is migraine, and not every headache in a migraine patient is from the TMJ. Tension-type headache, cervicogenic headache, medication-overuse headache from frequent triptan use, and several other primary and secondary headache disorders can present in the same patient. The diagnostic workup that distinguishes among these matters, and a patient with complex headache should have at least one careful neurological evaluation to characterise what is happening before assuming that TMJ treatment will address all of it.

The questions worth asking on each side

If you are a patient with both conditions and trying to make sense of the overlap, the small set of questions to bring to each specialist:

To the neurologist or headache specialist: Do my headache features include any pattern that suggests a musculoskeletal or TMJ-related contribution — morning pattern, masseter tenderness, jaw-use triggers? Should I have a formal TMJ evaluation before we add another preventive medication? If I have botox treatment for chronic migraine, will the injections include the masseter region or just the standard PREEMPT sites?

To the dentist or orofacial pain specialist: Do you have experience treating patients with comorbid migraine? Do you communicate with the patient's neurologist about treatment plans? What is the realistic expectation for migraine improvement from the TMD treatment we are discussing? What outcomes can I expect from the splint and physical therapy specifically?

Specialists who welcome these questions and answer them specifically are the ones to work with. Specialists who treat the question as outside their lane and decline to engage are missing the patient's actual problem.

The conventional separation between headache care and TMJ care is convenient for the healthcare system, not for the patient who has both. Comorbid migraine and TMD share trigeminal pain processing and respond, in many patients, to coordinated treatment across both specialties — but only when both are actually considered together.
Paraphrased editorial summary of Franco et al. on migraine prevalence in TMD1 and Speciali & Dach on TMD-headache management2

The bottom line

The connection between temporomandibular disorder and migraine is real, mechanistically grounded, and clinically important. The overlap is large enough that any patient with one condition should at least be evaluated for the other, and patients with both should have their treatment plans coordinated between the two specialties. The published evidence supports modest but meaningful improvements in migraine when TMD is appropriately treated in patients who have both, particularly with splint therapy, physical therapy, and selectively targeted botulinum toxin to the masseter region.

For the patient currently weighing this picture, the practical takeaway is that if you have migraine and your headache treatment has not worked as well as hoped, a careful TMJ evaluation may identify a contributing factor that has not yet been addressed. If you have significant TMD and have frequent headaches that have been treated as "tension headaches" or "TMJ headaches" without formal evaluation, a neurological consultation may identify migraine that has been there all along, undiagnosed and untreated. The two conditions need to be thought about together for the patients who have both, and that thinking-together is something the patient may need to advocate for, because the system does not always provide it by default.

If you are weighing this picture now and suspect that TMJ involvement may be part of your migraine story, the most useful first step is usually a thorough TMJ evaluation by a dentist or orofacial pain specialist experienced with the comorbid migraine population. The conversation that includes both sides — not just the local jaw problem — is the one worth having. Find a clinic near you on Smyleee or browse dentists by specialty to start that conversation with someone whose work you can actually evaluate.
Frequently asked questions
Are migraines and TMJ disorder the same thing?

No — migraine is a primary neurological condition; TMJ disorder is a musculoskeletal condition of the jaw joint and surrounding muscles. They are different diagnoses with different first-line treatments. But they overlap substantially: 40–60% of TMD patients have migraine versus 12–15% of the general population, and the two share the trigeminal nerve pathway, which is why treating one often improves the other in patients who have both.

Can fixing my TMJ stop my migraines?

For some patients, yes; for many, partially; for some, no. Patients whose migraine has a meaningful TMJ contribution — recognisable by morning headache pattern, palpable masseter tenderness, and incomplete response to standard migraine treatment — often see meaningful reduction in migraine frequency when TMJ is properly treated. But TMJ treatment is not a cure for primary migraine; it removes one contributor to overall trigeminal sensitisation.

What's the best treatment if I have both conditions?

A coordinated multimodal plan that addresses both sides: standard migraine prevention (lifestyle, preventive medication, possibly CGRP-targeted therapy) plus TMD-directed care (occlusal splint, physical therapy, behavioural management). Where botulinum toxin is being used for chronic migraine, extending injections to the masseter region — beyond the standard PREEMPT protocol sites — can add benefit in comorbid patients.

Should I see a neurologist or a dentist first?

If migraine features dominate (unilateral pulsating pain, photophobia, nausea, identifiable triggers, family history), neurology first makes sense. If muscle-driven features dominate (morning pain, palpable masseter tenderness, jaw symptoms, history of bruxism), an orofacial pain specialist or TMJ-experienced dentist first. Many patients eventually need both — the order matters less than ensuring both specialists know about the other's findings.

How can I tell if my headache is from my TMJ?

TMJ-related headache is typically temporal or just in front of the ear, often worse in the morning if you grind at night, often associated with palpable tenderness when you press on the masseter and temporalis muscles. It tends to respond to local interventions (warm compresses, anti-inflammatory medication, splint therapy) more than to triptans. A careful examination with palpation of the masticatory muscles is the most useful single diagnostic step.

Does treating TMJ help all migraine patients?

No. The patients who benefit are specifically those with comorbid TMD contribution — morning headache pattern, jaw muscle tenderness, partial response to standard migraine treatment, sometimes signs of nocturnal bruxism. Patients with classical migraine and no jaw findings are unlikely to see migraine improvement from TMJ-directed treatment. The relevant population is the meaningful subset who have both conditions, not all migraine patients.

Sources & further reading
  1. Franco AL, Gonçalves DA, Castanharo SM, Speciali JG, Bigal ME, Camparis CM. "Migraine is the most prevalent primary headache in individuals with temporomandibular disorders." Journal of Orofacial Pain. 2010;24(3):287–292.
  2. Speciali JG, Dach F. "Temporomandibular dysfunction and headache disorder." Headache. 2015;55(Suppl 1):72–83.
  3. Bevilaqua-Grossi D, Lipton RB, Bigal ME. "Temporomandibular disorders and migraine chronification." Current Pain and Headache Reports. 2009;13(4):314–318.
  4. Goadsby PJ, Holland PR, Martins-Oliveira M, Hoffmann J, Schankin C, Akerman S. "Pathophysiology of migraine: a disorder of sensory processing." Physiological Reviews. 2017;97(2):553–622.
  5. International Headache Society. ICHD-3: International Classification of Headache Disorders, 3rd Edition. Cephalalgia. 2018;38(1):1–211.
  6. Olesen J, Burstein R, Ashina M, Tfelt-Hansen P. "Origin of pain in migraine: evidence for peripheral sensitisation." Lancet Neurology. 2009;8(7):679–690.
How we wrote this

This piece draws on the peer-reviewed sources and authoritative guidelines listed below, and where appropriate also on patient-facing materials from the relevant professional bodies and the National Institutes of Health. Each substantive claim links to its source via the inline footnote next to it — click any number to jump to the citation. Where the evidence is genuinely uncertain or contested, the text says so rather than presenting one position as settled. We do not accept clinic, device, or pharmaceutical sponsorship for the content of editorial articles.

This article was last medically reviewed in June 2026 by the Smyleee Medical Advisory Board. We update when significant new evidence emerges or when published guidelines change. If you have feedback on a specific claim or believe an updated source warrants inclusion, please contact our editorial team.

Editorial note. This article is provided for general informational purposes and is not a substitute for individualised medical or dental advice. It reflects the evidence and clinical reasoning current at time of publication. Headache and jaw symptoms can have multiple causes, including some that are medically urgent. Specific decisions about diagnostic evaluation, treatment plans, and coordination between neurology and dentistry should be made in consultation with appropriately licensed clinicians who have examined you. Reviewed by the Smyleee Medical Advisory Board.
TMJ and Migraines: The Often-Missed Connection | Smyleee