Many people present with headaches with normal scans, feeling frustrated and confused when their MRI or CT results show nothing abnormal.
Being told there is no structural issue can leave them questioning their symptoms, but the reality is far more complex — and far more hopeful.
Headaches with normal scans do not mean nothing is wrong.
Pain can persist due to changes in how the nervous system processes signals, particularly through a mechanism known as trigeminocervical nucleus sensitisation, a key focus of the Watson Headache Approach.
Why You Can Trust What You’re Reading
My name is Kevin, and I am a physiotherapist with a strong interest in neck related and persistent headache conditions.
I regularly treat people who have seen multiple practitioners, had imaging done, and still have no clear answers.
Using evidence based approaches such as the Watson Headache Approach, I help patients understand why their headaches persist and how they can be treated effectively without relying solely on medication.
What Scans Do Well and What They Completely Miss
Scans are excellent at detecting serious pathology such as fractures, tumours, or bleeding. However, they do not show how sensitive your nervous system is.
Research shows that:
- Over 80 percent of people with persistent headaches have normal imaging
- Neck related headaches are commonly linked to altered nerve processing rather than tissue damage
- Pain can persist even after tissues have healed due to nervous system sensitisation
This is where the trigeminocervical nucleus comes in.
The Hidden Culprit Behind Ongoing Head Pain
The trigeminocervical nucleus is a key processing centre where sensory input from the upper neck and head converge. When this system becomes sensitised:
- Normal neck movement can trigger head pain
- Light touch or sustained postures can provoke symptoms
- Headaches become frequent, unpredictable, and persistent
According to the Watson Headache Approach, repeated irritation of the upper cervical spine can lower the threshold of this system. Over time, the brain becomes overprotective, producing pain even without structural damage. This explains why scans often look normal while symptoms continue.
How These Headaches Can Take Over Your Life
The impact of this type of headache can be significant:
- Reduced work capacity
- Poor sleep and concentration
- Fear of movement due to pain flares
- Reliance on medication with limited long term benefit
The solution is not rest alone or more scans. It is a targeted approach that focuses on:
- Reducing sensitivity in the upper cervical spine
- Gradually restoring safe neck movement
- Improving load tolerance of the nervous system
- Education to reduce fear and improve confidence
The Watson Headache Approach uses gentle, specific manual therapy combined with progressive exercises to desensitise the trigeminocervical nucleus over time.
Small Changes You Can Start Today
If you experience persistent headaches with normal scans:
- Avoid complete rest and prolonged guarding
- Maintain gentle neck movement within tolerance
- Limit sustained postures like long screen time without breaks
- Seek a clinician trained in headache specific management
Ready to Break the Headache Cycle?
If you’re experiencing headaches with normal scans that continue to return, there is likely a treatable explanation behind your symptoms.
A tailored physiotherapy program using the Watson Headache Approach can help calm the nervous system and reduce the frequency and intensity of headaches over time.
If you would like a thorough headache assessment or want to know if this approach is right for you, book a session today or get in touch with the clinic to discuss your options.
Help is available, and your pain is real even if the scan says otherwise.
Written by:
References
Headache, MRI and brain imaging (2025) American Migraine Foundation. Available at: https://americanmigrainefoundation.org/resource-library/headache-mri-and-brain-imaging/ (Accessed: 15 January 2026).
Watson, D.H. and Drummond, P.D. (2012) ‘Head pain referral during examination of the neck in migraine and tension‐type headache’, Headache: The Journal of Head and Face Pain, 52(8), pp. 1226–1235. doi:10.1111/j.1526-4610.2012.02169.x.
Watson, D.H. and Drummond, P.D. (2016) ‘The role of the Trigemino cervical complex in Chronic Whiplash Associated Headache: A Cross Sectional Study’, Headache: The Journal of Head and Face Pain, 56(6), pp. 961–975. doi:10.1111/head.12805.
