The Headache That Starts in the Neck

What Is a Cervicogenic Headache?

A cervicogenic headache is a headache caused by a problem in the neck — most often the upper cervical joints, discs, or muscles — that is referred to the head rather than felt only where the problem actually is. This happens because sensory nerves from the upper neck converge with the trigeminal nerve, the nerve that carries most facial and head sensation, in a shared relay station in the brainstem, so the brain can have trouble telling exactly where the signal started.

The result is a headache that behaves, from the outside, like it belongs to the head, even though its source sits in the neck. This is different from a headache generated by the brain's own pain pathways, which is closer to what happens in migraine.

The structures most often implicated sit high in the neck — the joints between the skull and the first two vertebrae, and the discs and facet joints of the upper cervical spine — rather than lower down. That's part of why cervicogenic headache is so often paired with a stiff, restricted upper neck rather than pain lower in the shoulders or mid-back, and why an exam that finds normal, pain-free movement throughout the neck makes a cervicogenic cause less likely.

Cervicogenic Headache vs. Migraine: Telling Them Apart

The two conditions differ most clearly in what triggers them and what accompanies them. A cervicogenic headache is typically one-sided, starts at the base of the skull, and is triggered or worsened by specific neck movements or sustained postures, often alongside a stiff or tender neck. A migraine is more often throbbing, can switch sides or affect both, and comes with nausea, light and sound sensitivity, or a preceding aura — features that have little to do with neck position.

• Cervicogenic headache: one-sided, starts at the back of the head, worsened by neck movement or posture, neck stiffness usually present
• Migraine: throbbing, may shift sides, comes with nausea or light/sound sensitivity, sometimes preceded by aura, less tied to neck movement

Neither list is absolute — plenty of migraines include some neck discomfort, and plenty of cervicogenic headaches lack a textbook trigger, which is exactly why the distinction is often made by a clinician rather than by checklist alone.

Why the Two Get Confused

Neck tightness is common in migraine too, sometimes appearing as an early warning sign before the headache itself starts, which muddies the picture for anyone trying to self-diagnose by symptom alone. Because both conditions can involve neck discomfort and both can respond, at least partially, to some of the same treatments, distinguishing them by symptoms reported after the fact is genuinely difficult even for experienced clinicians.

Neck pain overall is common enough on its own — affecting an estimated 203 million people worldwide in 2020, with projections for continued increases through 2050 — that a stiff or sore neck accompanying a headache doesn't automatically mean the neck caused it 1Ref 1GBD 2021 Neck Pain Collaborators (Wu AM, et al.) (2024).Global, regional, and national burden of neck pain, 1990-2020, and projections to 2050: a systematic analysis of the Global Burden of Disease Study 2021.Global burden estimate for neck pain prevalence (about 203 million people in 2020) and its projected rise by 2050, used to show that neck discomfort accompanying a headache is common and not automatically diagnostic of a neck-caused headache..

How It's Diagnosed

Diagnosis typically starts with a detailed history and a physical exam of the neck, checking whether specific movements or sustained positions reproduce the headache, along with an assessment of neck range of motion and muscle tenderness. Because there's no blood test or standard imaging finding that confirms a cervicogenic headache, the diagnosis rests heavily on this clinical pattern-matching, sometimes supported by a diagnostic nerve block performed by a specialist to see whether numbing a specific neck structure resolves the headache.

A physical therapist evaluating neck pain often uses a structured classification system that includes "neck pain with headache" as one of several distinct categories, each pointing toward a different treatment emphasis 2Ref 2Blanpied PR, Gross AR, Elliott JM, et al. (2017).Neck Pain: Revision 2017 (Clinical Practice Guidelines Linked to the ICF).Clinical practice guideline classification of neck pain that includes a distinct "neck pain with headache" category, and its recommendation of manual therapy, exercise, and education as first-line treatment for that category.. Some clinicians also track progress with the neck disability index, a validated questionnaire, to see whether treatment is changing the underlying neck problem and not just the headache 3Ref 3Vernon H (2008).The Neck Disability Index: State-of-the-Art, 1991-2008.Description of the Neck Disability Index as a validated patient-reported tool used to quantify neck-related disability and track treatment response over time..

How Cervicogenic Headache Is Treated

First-line treatment targets the neck directly: manual therapy and a progressive exercise program aimed at the upper cervical joints and the deep neck muscles, along with education about posture and activity pacing, are the interventions with the strongest support in physical therapy guidelines for neck pain with headache 2Ref 2Blanpied PR, Gross AR, Elliott JM, et al. (2017).Neck Pain: Revision 2017 (Clinical Practice Guidelines Linked to the ICF).Clinical practice guideline classification of neck pain that includes a distinct "neck pain with headache" category, and its recommendation of manual therapy, exercise, and education as first-line treatment for that category.. Improvement is often gradual rather than immediate, since it depends on restoring normal movement and strength in the neck rather than simply blocking pain signals.

Migraine management is different and typically involves separate strategies aimed at the brain's own headache mechanism rather than the neck, which is part of why an accurate diagnosis matters — treating a cervicogenic headache as a migraine, or the reverse, tends to leave the actual driver of the pain unaddressed.

When to Look Beyond a Simple Neck-Related Headache

Most recurring headaches, whether cervicogenic or migrainous, are not dangerous, but a small number of warning patterns warrant faster evaluation. A headache that is the worst of someone's life, reaches full intensity within seconds, or comes with fever, confusion, or new neurological symptoms is not a typical cervicogenic headache pattern and should not be assumed to be one.

A headache that follows a fall, collision, or other neck injury also deserves a closer look, since the neck injury red flags used to screen for a more serious cervical injury after trauma — the Canadian C-spine rule and NEXUS criteria among them — apply regardless of whether the headache itself seems mild.

A headache that is new, different from someone's usual pattern, or steadily worsening over days to weeks rather than coming and going also warrants a closer look than a typical, recurring cervicogenic headache or migraine, since a changing pattern is itself a signal worth taking seriously rather than explaining away.