Why Neck and Jaw Problems Can Both Cause Head Pain

If you've ever wondered why a stiff neck or a tight jaw can produce pain that feels like it's coming from inside your head, part of the answer lies in a shared nerve pathway called trigeminocervical convergence.

The Anatomy in Brief

The trigeminal nerve is the main sensory nerve for the face, including the jaw and temporomandibular joint (TMJ). The upper three nerves of the cervical spine (C1 to C3) carry sensory information from the neck. Upper cervical afferents converge with trigeminal afferents in the trigeminocervical complex, a relay structure in the brainstem.

Because sensory information from these regions converges within shared neural pathways, activity originating in one region can be perceived as pain in another. This is one mechanism that can contribute to referred pain.

What This Means Clinically

This shared pathway helps explain a few things that often puzzle patients:

• Why upper neck problems can produce headache rather than neck pain
• Why jaw pain, TMD symptoms or bruxism may be associated with or contribute to head and facial pain in some people
• Why headache, neck pain and jaw symptoms so frequently occur together
• Why addressing relevant neck or jaw symptoms may be useful alongside other headache treatments when these regions are contributing to the person's symptoms

Why This Doesn't Mean "It's All the Neck"

Trigemino-cervical convergence explains a mechanism for referred pain, it doesn't mean every headache originates in the neck or jaw. Migraine is a neurological disorder with complex mechanisms. Neck pain and cervical sensitivity are common alongside migraine, but this does not mean that the neck is the primary cause.

The value of understanding this pathway is that it explains why a thorough assessment should consider the neck and jaw as possible contributors, rather than assuming they're either always or never relevant.

Does This Mean My Jaw Is Causing My Headache?

Not necessarily. Headache, neck pain and jaw symptoms can occur together without one being the sole cause of the others. The trigeminocervical system provides a mechanism through which pain and sensory input from these regions can interact, but identifying whether the neck or jaw is actually contributing requires an assessment of the individual's symptoms and clinical findings.

Where This Shows Up Clinically

• Cervicogenic headache: a headache attributed to a disorder of the cervical spine, where cervical nociceptive input can contribute to head pain through trigeminocervical pathways.
• Migraine and tension-type headache: cervical and jaw symptoms are common and may be relevant treatment targets as part of a broader management plan.
• Temporomandibular disorders (TMD): jaw pain, clicking, or restricted opening that can refer pain into the temple or head via the same trigeminal pathway. TMD is the broader term for disorders affecting the temporomandibular joints, chewing muscles and associated structures.

Why This Matters for Treatment

If your headache occurs alongside neck pain, jaw pain, clenching, restricted jaw movement or other relevant symptoms, assessing these areas may help identify modifiable contributors. Depending on your presentation, management may involve exercise, education, cervical or jaw-focused rehabilitation and coordination with your GP, neurologist or dental professional where appropriate.

Read More

• Temporomandibular Disorders (TMD): What Is It?
• TMD and Headaches: Is Your Jaw Contributing to Your Head Pain?
• Headaches: Types, Symptoms, Causes & Treatment

References

• Bogduk N. The anatomical basis for cervicogenic headache. J Manipulative Physiol Ther. 1992;15(1):67–70.
• Bartsch T, Goadsby PJ. The trigeminocervical complex and migraine: current concepts and synthesis. Curr Pain Headache Rep. 2003;7(5):371–376. doi:10.1007/s11916-003-0036-y.
• Integration of nociceptive activity from orofacial, cranial and cervical regions in the trigeminocervical nucleus: a scoping review with clinical implications. J Oral Facial Pain Headache. 2025. doi:10.22514/jofph.2025.042.
• Bizzarri P, Manfredini D, Koutris M, Bartolini M, Buzzatti L, Bagnoli C, Scafoglieri A. Temporomandibular disorders in migraine and tension-type headache patients: a systematic review with meta-analysis. J Oral Facial Pain Headache. 2024;38(2):11–24.

Get in touch with us today to discuss whether a musculoskeletal assessment could help identify what's contributing to your symptoms.