Neck Pain Triggers Headaches
Many factors can spark headaches—stress, poor sleep, allergies or trauma—but one of the most under-recognized causes is the upper cervical spine. Nerves from your C1–C3 vertebrae share pathways with the trigeminal nerve, allowing neck irritation to refer pain into the head.
1. Upper Cervical Anatomy
- C1 (Atlas) → Lesser Occipital Nerve: Pain at the base of the skull.
- C2 (Axis) → Greater Occipital Nerve: Pain travels up to the scalp and forehead via the trigeminal connection.
- C3 → Greater Auricular Nerve: Pain on the side of the head, above the ear.
2. Pain Referral Mechanism
When any of these nerves become irritated—by joint dysfunction, muscle spasm or vertebral misalignment—pain signals travel up that nerve. Because C1–C3 input converges on the same brainstem nucleus as the trigeminal nerve, the brain perceives it as a headache rather than “neck pain.”
3. What the Research Shows
A 2013 literature review on cervicogenic headaches found that chiropractic manipulation plus targeted neck-upper back strengthening significantly reduced headache frequency and intensity. Migraines may also respond: one trial of 127 migraine sufferers reported fewer attacks and less medication use after chiropractic care.
4. What to Expect at Woodward Chiropractic
At your complimentary consultation we’ll assess cervical joint function, muscle tone and nerve tension. If we can’t help your headaches ourselves, we’ll refer you to the specialist who can.
