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Brightview Nexus Letter

Migraine and Tension Headaches Secondary to PTSD

PTSD and headaches frequently occur together — but having both does not establish secondary service connection. The medical link has to be explained.

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Veteran with PTSD holding his head during a severe headache
Written by Dr. Jessica R. Allen, M.D. — licensed psychiatrist and former VA Compensation & Pension examiner. · Last reviewed August 5, 2026.

Direct answer

Can migraines be claimed secondary to PTSD?

Yes. A veteran may file a secondary VA disability claim when a new condition is linked to an already service-connected disability. VA generally requires a current diagnosis of migraine, tension-type headache, or another headache disorder; an existing service-connected diagnosis of PTSD; and a medical link between the two. That link may be based on either causation or aggravation.

Can PTSD cause migraine headaches?

Research has identified a significant association between PTSD and migraine. A 2026 systematic review found that the studies it evaluated consistently reported a positive relationship between the two conditions, with migraine occurring more frequently among individuals with PTSD.

PTSD can affect sleep, stress levels, emotional regulation, and overall physical functioning in ways that may be relevant to the development or worsening of headache disorders. In some veterans, migraine symptoms may become more frequent or severe during periods of increased PTSD symptoms.

Commonly reported patterns may include:

Headaches that worsen during periods of increased stress.
Increased migraine frequency during PTSD flare-ups.
Headaches associated with poor or disrupted sleep.
Greater headache burden during periods of anxiety or emotional distress.
Changes in headache severity over time following the onset of PTSD symptoms.

Whether PTSD caused or aggravated a particular veteran's migraine disorder depends on the individual medical history, symptom timeline, risk factors, treatment records, and available medical evidence.

Can PTSD cause tension headaches?

PTSD may also be associated with tension-type headaches. Veterans with PTSD frequently experience chronic stress, sleep disturbance, anxiety, and physical tension, all of which may coincide with recurring headache symptoms.

Veterans may report:

Recurrent pressure or aching pain around the head.
Headaches that occur during periods of increased stress or anxiety.
Head pain following poor sleep or nightmares.
Increased headache frequency during PTSD exacerbations.
Headaches that have become more persistent over time.

The presence of both PTSD and headaches does not automatically establish a medical nexus. A clinician must evaluate the veteran's complete history and determine whether the evidence supports a causal or aggravating relationship in that individual case.

A medical evaluation remains important because migraine, tension-type headache, medication-related headache, and other headache disorders require different diagnostic considerations.

What does aggravation mean in a PTSD–headache claim?

PTSD does not have to be the original cause of the headache disorder. A secondary claim may also be supported when PTSD caused an existing headache condition to become chronically:

  • More frequent.
  • More painful.
  • Longer lasting.
  • More resistant to treatment.
  • More likely to require the veteran to lie down.
  • More disruptive to employment and daily activities.

For example, a veteran may have experienced occasional headaches before developing severe PTSD symptoms, but chronic insomnia, nightmares, panic attacks, and hyperarousal may have caused the headaches to become substantially more frequent or disabling.

What evidence can support migraines secondary to PTSD?

  • A formal headache diagnosis.
  • Documentation that PTSD is service connected.
  • Neurology, primary-care, emergency-room, or mental-health records.
  • A headache log documenting frequency, duration, severity, and triggers.
  • Evidence that headaches worsen during PTSD exacerbations.
  • Records documenting nightmares, insomnia, panic attacks, or chronic anxiety.
  • Medication records and documented side effects.
  • Statements from a spouse, family member, supervisor, or coworker.
  • A medical nexus opinion addressing causation and aggravation.

VA accepts medical records, medical opinions, and in some circumstances lay statements as evidence supporting a secondary claim.

How does the 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.

Why work with Dr. Allen

Dr. Jessica Allen is a licensed psychiatrist and former VA C&P examiner who prepares individualized nexus opinions for veterans seeking to connect migraines or tension headaches to service-connected PTSD.

Her opinions:

✓Address both causation and aggravation.
✓Apply the VA's “at least as likely as not” standard.
✓Consider the veteran's full clinical history and alternative explanations.
✓Incorporate relevant medical literature.
✓Are personally reviewed and written for the individual veteran—not generated from a template.

Learn more about our headache nexus letters, PTSD increase nexus letters, TMJ nexus letters, or see all nexus letters Dr. Allen provides.

FAQ

Common questions about migraines secondary to PTSD

Can PTSD nightmares trigger migraines?

Nightmares may contribute to migraine attacks by repeatedly interrupting sleep and causing intense autonomic arousal. A veteran may awaken with sweating, muscle tension, panic symptoms, jaw clenching, or an elevated heart rate and later develop a headache. A headache log may help show whether migraine attacks regularly occur after nightmares or nights of severely disrupted sleep.

Can PTSD-related insomnia cause migraines?

Sleep disruption is a commonly reported migraine trigger. Veterans with PTSD may experience difficulty falling asleep, repeated awakenings, trauma-related nightmares, and unrefreshing sleep. The medical analysis should determine whether headache frequency or severity increases following nights of poor sleep, and whether other sleep disorders such as obstructive sleep apnea are also contributing.

Can anxiety and panic attacks trigger migraines?

Anxiety and panic symptoms may trigger or worsen migraine attacks in some individuals. A veteran may experience a headache after prolonged worry, a panic attack, intense hypervigilance, or exposure to trauma reminders. Medical records and a headache journal can help demonstrate whether anxiety exacerbations consistently precede headache attacks.

Do I need a nexus letter for migraines secondary to PTSD?

A nexus letter is not legally required in every claim, but it may be important when the existing records do not clearly explain the relationship. A strong letter should not merely state that PTSD and migraines are associated. It should explain why PTSD is medically relevant to this veteran's headaches, the timing and progression of both conditions, the headache triggers, the role of nightmares, insomnia, anxiety, and hyperarousal, the effects of psychiatric medications, other possible causes, and whether PTSD caused or aggravated the headaches.

Should I submit a headache log?

Yes. Treatment records may not document every attack. The log should record the date, duration, pain severity, migraine or tension-type features, nausea or vomiting, sensitivity to light, sound, or smell, whether you had to lie down, medications taken, PTSD symptoms occurring before the attack, nightmares or poor sleep the previous night, and missed work or interrupted activities. Entries should be accurate and completed close to the time of each attack.

What is a prostrating migraine?

The term generally describes a migraine attack severe enough to require the person to stop normal activity and rest, recline, or lie down — leaving work early, going into a dark and quiet room, becoming unable to drive, lying down for several hours, being unable to complete household responsibilities, or canceling appointments. Merely reporting severe pain may not fully describe functional prostration. Explain what you are physically unable to do during an attack.

What if my migraines started before my PTSD diagnosis?

The date of formal diagnosis is not always the date symptoms began. A veteran may have experienced PTSD symptoms for years before a formal diagnosis. The relevant analysis compares the actual onset and progression of PTSD symptoms with the onset and progression of the headaches. And even if migraines clearly existed first, secondary service connection may still be considered when PTSD chronically worsened them.

Can migraines be secondary to both PTSD and tinnitus?

Possibly. A veteran may have more than one medically relevant contributing condition. A headache disorder could be influenced by PTSD-related stress and insomnia as well as distress associated with severe tinnitus. The nexus opinion should explain the role of each condition without overstating the evidence.

Can migraines be secondary to PTSD and sleep apnea?

Possibly. PTSD-related insomnia, obstructive sleep apnea, medication effects, bruxism, and other sleep disturbances may coexist and contribute to headaches through different mechanisms. A credible opinion should consider each potential contributor and explain which relationship is most consistent with the veteran's medical history.

Can I claim headaches secondary to PTSD if I also had a traumatic brain injury?

Yes, but the medical analysis should distinguish among possible causes. A traumatic brain injury may support a direct or secondary post-traumatic headache theory, while PTSD may independently cause or aggravate headache activity through stress, hyperarousal, sleep disruption, or medication effects. The presence of TBI does not automatically exclude PTSD as a contributor, but a nexus letter should not ignore it.

What if VA already denied my migraine claim?

A veteran may file a Supplemental Claim with new and relevant evidence. Depending on the reason for the denial, useful evidence may include a confirmed migraine diagnosis, a new headache log, neurology or primary-care records, medication history, lay statements, evidence of missed work, a medical opinion addressing deficiencies in the prior decision, and an opinion that discusses aggravation as well as causation.

Talk through your PTSD 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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