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Brightview Nexus Letter

Migraines and Tension Headaches Secondary to TMJ

TMJ dysfunction affects more than the jaw. When it drives your headaches, the connection has to be explained — not assumed.

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Veteran holding his jaw in pain from TMJ dysfunction
Written by Dr. Jessica R. Allen, M.D. — licensed psychiatrist and former VA Compensation & Pension examiner. · Last reviewed August 5, 2026.

Direct answer

Can headaches be claimed secondary to service-connected TMJ?

Yes. A veteran may file a secondary claim when a new disability was caused or worsened by an already service-connected condition. For a headache claim secondary to TMJ, the evidence should generally establish a current diagnosis of migraines, tension headaches, or another headache disorder; an existing service-connected TMJ or temporomandibular disorder; and medical evidence explaining how the TMJ condition caused or aggravated the headache disorder.

How can TMJ dysfunction contribute to headaches?

The temporomandibular joints and chewing muscles are closely connected to structures throughout the face, temples, head, and neck. Painful or impaired jaw function may be associated with:

  • Persistent tension in the chewing and temporal muscles.
  • Pain that spreads from the jaw into the temples, face, head, or neck.
  • Repetitive jaw clenching or teeth grinding.
  • Headaches triggered or worsened by chewing and jaw movement.
  • Sleep disruption caused by jaw pain.
  • Increased frequency or severity of an existing headache disorder.

The National Institute of Dental and Craniofacial Research recognizes headaches associated with a temporomandibular disorder as a category of TMD. However, the presence of both conditions does not automatically establish that one caused the other.

What should a TMJ–headache nexus letter address?

A well-supported nexus letter should do more than state that TMJ and headaches can occur together. It should review the veteran's records and explain:

  • When the TMJ symptoms and headaches began.
  • Whether headaches coincide with jaw pain, clenching, or chewing.
  • How the headache pattern changed as the TMJ condition progressed.
  • Whether other likely causes have been considered.
  • Whether TMJ caused the headaches or made them chronically worse.
  • How the headaches affect work and daily functioning.

The opinion should apply the VA standard of whether the relationship is "at least as likely as not."

How does VA rate headaches?

All headache disorders are rated under 38 CFR 4.124a, Diagnostic Code 8100. The evaluation turns on how often attacks are prostrating — severe enough that you must stop what you are doing.

RatingCriteria
50%Very frequent, completely prostrating and prolonged attacks productive of severe economic inadaptability
30%Characteristic prostrating attacks occurring on average once a month over the last several months
10%Characteristic prostrating attacks averaging one in two months over the last several months
0%Less frequent attacks

Fifty percent is the maximum schedular evaluation under DC 8100. VA assigns the rating. Brightview documents the clinical picture; it does not determine or predict the evaluation.

Headache nexus letters for veterans

Brightview Psychiatry Solutions prepares individualized medical nexus letters for veterans seeking to connect migraine or tension headaches to service-connected TMJ dysfunction. Every opinion includes a review of the veteran's relevant medical records, symptom history, potential alternative causes, and applicable medical research. We provide independent medical opinions for VA disability claims; we do not treat TMJ or prescribe headache medication.

Learn more about headache nexus letters, TMJ nexus letters, depression nexus letters, or see all nexus letters Dr. Allen provides.

FAQ

Common questions about headaches secondary to TMJ

Can TMJ cause headaches?

Yes. Temporomandibular disorders can involve the jaw joints, chewing muscles, or both, and pain may spread into the temples, face, head, or neck. The National Institute of Dental and Craniofacial Research specifically recognizes headaches associated with a painful temporomandibular disorder as a category of TMD.

Can TMJ trigger migraines?

TMJ dysfunction may trigger or worsen migraine attacks in some individuals, particularly when headaches occur alongside jaw pain, clenching, teeth grinding, facial tension, or painful jaw movement. Migraine and TMJ are separate diagnoses, so the medical evidence must explain the relationship in the individual veteran's case.

What does a TMJ headache feel like?

A TMJ-related headache may cause aching or pressure in the temples, pain around the jaw, ears, face, or neck, headaches that worsen with chewing or jaw movement, tenderness in the chewing muscles, pain associated with clenching or grinding, and clicking, popping, locking, or restricted jaw movement. Symptoms vary, and other causes of headache should be considered before attributing the condition to TMJ.

How can I tell the difference between a TMJ headache and a migraine?

TMJ-related headaches often occur with jaw pain, facial tenderness, clenching, grinding, or pain during chewing. Migraine attacks are more commonly associated with moderate to severe pain, nausea, sensitivity to light or sound, and sometimes visual or sensory aura. Tension-type headaches are more often described as pressure or tightness around the head. Some veterans experience overlapping symptoms, so a qualified medical professional should determine the correct diagnosis.

Can I claim migraines secondary to service-connected TMJ?

Yes. A veteran may file a secondary claim when a new disability is caused or worsened by an already service-connected condition. To support migraines secondary to TMJ, the evidence should show a current migraine diagnosis and a medical link between the migraines and the service-connected TMJ condition.

Can I claim tension headaches secondary to TMJ?

Yes. Tension-type headaches may be claimed secondary to TMJ when the evidence shows that the service-connected jaw disorder caused or chronically aggravated the headache condition. Relevant evidence may include documentation of jaw-muscle tension, clenching, bruxism, facial pain, headache triggers, limited jaw movement, and headaches that worsen when TMJ symptoms flare.

Does my TMJ have to cause the headaches directly?

No. Secondary service connection may also be considered when a service-connected condition worsens another disability. A veteran may have had occasional headaches before developing severe TMJ symptoms, but the TMJ condition may have caused the headaches to become more frequent, painful, prolonged, or functionally limiting. The medical opinion should distinguish between causation and aggravation.

What evidence helps support a headache claim secondary to TMJ?

A diagnosis of migraine, tension-type headache, or another headache disorder; documentation that TMJ is already service connected; dental, primary-care, neurological, or pain-management records; records documenting jaw pain, clenching, grinding, or restricted movement; a headache log showing frequency, duration, triggers, and severity; statements from a spouse, family member, or coworker; and a medical nexus opinion explaining causation or aggravation.

Do I need a formal migraine diagnosis?

A formal diagnosis is highly helpful. Head pain alone may not establish whether the veteran has migraine, tension-type headache, a headache associated with TMD, or another neurological condition. The diagnosis should ideally be documented by a treating medical professional and supported by the veteran's symptom history.

Should I keep a headache log?

Yes. A log can document how often the headaches occur, how long each attack lasts, whether the pain is prostrating, associated nausea or sensitivity to light and sound, whether chewing, clenching, or jaw pain triggers the headache, medication use, and missed work or impaired daily functioning. A detailed log may help demonstrate both the relationship to TMJ symptoms and the severity of the headache disorder.

Can teeth grinding or jaw clenching cause headaches?

Teeth grinding and jaw clenching can strain the muscles used for chewing and may contribute to pain in the jaw, temples, face, and head. Clenching may also occur during sleep, making the connection less obvious. Evidence that headaches are more severe after nighttime grinding, prolonged chewing, or episodes of jaw tension may be relevant to a secondary claim.

Can TMJ aggravate headaches that existed before the TMJ condition?

Yes. A veteran does not necessarily need to prove that TMJ originally caused the headache disorder. A claim may also be supported when the service-connected TMJ condition caused a lasting increase in headache frequency, intensity, duration, or functional impairment. The evidence should identify the worsening and explain why it is attributable to TMJ rather than the ordinary progression of the headache condition.

What if VA previously denied my headache claim?

A veteran with a prior denial may file a Supplemental Claim using new and relevant evidence. Depending on the reason for the denial, useful new evidence may include a confirmed headache diagnosis, a headache log, additional treatment records, lay statements, or a more complete medical nexus opinion.

Talk through your TMJ and headache claim

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Brightview Psychiatry Solutions PLLC provides independent medical opinions and psychiatric evaluations. This page is educational and is not medical or legal advice, and does not create a physician-patient relationship. VA determines service connection and assigns all disability evaluations. No outcome is guaranteed.

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