Headaches or Dizziness That Won't Go Away: What's Really Behind Your Symptoms and Whether a Physiotherapist Can Help

⚠ Clinical Note

This article is for educational purposes only. It is based on current clinical practice guidelines and peer-reviewed research and is not a substitute for personalised medical advice, diagnosis, or treatment. If you are experiencing severe, sudden, or rapidly worsening symptoms - or symptoms described in this article as urgent - seek immediate medical attention. For all other concerns, consult a qualified healthcare professional before starting any exercise or treatment program.

Key Facts

✔ Persistent headaches and dizziness can originate from the upper cervical spine, a past head injury, or a whiplash injury - and the treatment approach differs by origin. The assessment is what determines which one is present. [1, 4, 8, 11]
✔ Cervicogenic headache arises from the joints and soft tissues of the upper cervical spine (C1–C3) and is mechanically reproduced by neck movement or sustained posture - it is distinct from migraine, though the two can coexist. [1]
✔ Neck-specific exercise sustains the reduction in cervicogenic headache intensity at 12 months; manual therapy addresses the acute problem but does not maintain the benefit long-term without exercise. [2, 6]
✔ Australian and New Zealand clinical guidelines recommend vestibular rehabilitation therapy for post-concussion dizziness that is functionally limiting, and confirm that physiotherapists have a role in managing post-concussion headaches and neck pain. [11]
✔ Dizziness is recorded across all grades of whiplash-associated disorder in the Australian WAD clinical guidelines and is associated with slower recovery - warranting specific assessment rather than general reassurance. [8]
✔ A sudden, severe, unfamiliar headache - sometimes described as "the worst headache of my life" - requires immediate emergency assessment to exclude vascular causes before any other treatment is considered. [7]

30-Second Summary

Persistent headaches and dizziness that don't respond to standard treatment can have several musculoskeletal origins: dysfunction in the upper cervical spine, a past head injury (concussion), or a whiplash-associated injury. Whether physiotherapy is the right step - and which approach to use - depends on which origin is identified through a structured assessment. Not every case has a physiotherapy solution, and this article covers what the evidence supports for each origin, as well as when medical investigation should take precedence.

Introduction

Most people with persistent headaches have travelled the same path: normal scans, no clear diagnosis, and painkiller advice that provides only temporary relief. What often goes uninvestigated is whether the problem has a musculoskeletal origin - coming from the neck, from a head injury that was never formally assessed, or from a whiplash injury that seemed to resolve but left symptoms behind. These are not rare presentations; they are among the most commonly missed sources of recurring head pain and dizziness in adults seeking care through general practice.

This article covers three specific musculoskeletal origins of persistent headache and dizziness: cervicogenic (from the upper cervical spine), post-concussion (following a head injury), and whiplash-associated (following an acceleration-deceleration mechanism such as a rear-end motor vehicle collision). For each, it outlines what the evidence says about whether physiotherapy helps, what treatment involves, and where physiotherapy's role ends. It also covers the warning signs that require immediate medical attention - because identifying those correctly always comes first.

What's Behind Persistent Headaches and Dizziness?

When headaches or dizziness persist for weeks and don't respond to standard treatment, the question becomes: where are they actually coming from? Migraine is the most commonly diagnosed recurring headache, but not every persistent headache is migraine - and treatment aimed at the wrong mechanism produces little lasting relief. Several musculoskeletal causes are frequently overlooked in the early assessment pathway.

The upper cervical spine - the joints and soft tissues at C1, C2, and C3 - is one source. It is anatomically connected to the brain's pain processing system in a way that allows dysfunction at those joints to produce both headaches and spatial disorientation without any intracranial pathology being present. A past head injury, even a mild one, is another: post-concussion headaches and dizziness can persist for weeks or months, and are often poorly recognised outside specialist concussion care. Whiplash - the acceleration-deceleration mechanism common in rear-end collisions - can affect both the upper cervical joints and the neural structures that regulate head position and balance, producing headache and dizziness that remain long after the initial neck pain resolves.

What all three have in common is that they can be assessed through a structured clinical examination and - where the origin is confirmed - managed through physiotherapy. What they don't have in common is mechanism or treatment approach. A physiotherapy assessment is designed to identify which of these is present, and to distinguish them from presentations that require medical investigation first.

When the Neck Is the Source

Cervicogenic headache (CEH) is head pain that originates from the joints, muscles, and ligaments of the upper cervical spine. The mechanism is anatomical: the upper cervical nerve roots converge with branches of the trigeminal nerve at the trigeminal nucleus caudalis in the brainstem, which means pain signals arising from C1–C3 structures are experienced in the head - at the occiput, the temple, or behind the eye - rather than solely in the neck. [1]

What distinguishes CEH clinically is that the headache is mechanically reproduced. Sustained neck positions, specific movements, or pressure on particular upper cervical segments provoke or replicate the pain. The headache is typically one-sided and does not shift sides, and neck movement on the affected side is usually restricted. [1] Photophobia (sensitivity to light) is sometimes present, which is one reason CEH is frequently confused with migraine, but the defining feature is a consistent mechanical trigger and clinical findings in the neck on examination. Co-occurrence with migraine is possible - in which case, identifying and treating the cervical contribution can reduce overall headache frequency even where migraine also requires its own management.

Cervicogenic dizziness (CGD) is a diagnosis of exclusion, considered only after inner ear and central neurological causes have been ruled out. The proposed mechanism involves disrupted proprioceptive signals: the upper cervical spine contains a high density of mechanoreceptors (nerve endings that detect position and movement), and when cervical dysfunction alters those signals, the brain receives inconsistent inputs from the neck, the eyes, and the vestibular organs - a sensory mismatch experienced as unsteadiness or spatial disorientation rather than the rotational spinning that characterises inner ear conditions such as BPPV. [4]

CGD tends to accompany neck pain, is commonly triggered or worsened by neck movements, and does not respond to vestibular repositioning manoeuvres. When dizziness comes with neck symptoms and those manoeuvres have been tried without effect, a cervical assessment is warranted. The same principle - that what matters clinically is not the scan but what the assessment reveals about which structures are involved - applies across musculoskeletal conditions; for context on how this works in the lumbar spine, lower back pain: causes and symptoms covers that picture. For readers whose symptoms are primarily in the neck itself, neck pain: causes and symptoms covers the broader cervical musculoskeletal context.

After a Head Injury: Post-Concussion Headache and Dizziness

Concussion is a brain injury that causes a temporary disturbance of brain function. It does not always involve loss of consciousness - in many cases the person walks away and symptoms emerge hours or days later. Headache, dizziness, balance problems, feeling mentally foggy, and sensitivity to light or noise are among the most common post-concussion symptoms. [12]

This is an illustrative case. Consider Marcus, a 28-year-old construction worker who sustained a head knock in a low-speed vehicle incident four months ago. He did not attend emergency at the time because he felt fine immediately after, but has since been managing daily headaches and intermittent dizziness that is affecting his concentration at work. His GP found nothing concerning on clinical examination, but neither symptom has resolved. This is a presentation that warrants a structured concussion and physiotherapy assessment.

Australian and New Zealand clinical guidelines identify physiotherapists as having a role in the assessment and management of headaches, dizziness, and neck pain following concussion. [11] The guidelines specifically recommend vestibular rehabilitation therapy for post-concussion dizziness that is functionally limiting - that is, dizziness affecting someone's ability to work, exercise, or manage daily activities. [11] Vestibular rehabilitation involves exercises that progressively challenge the brain's capacity to process movement information correctly, gradually reducing the sensitivity of the system to triggers that provoke dizziness or imbalance.

Most people with concussion recover within 10 to 14 days, but a subset have symptoms that persist beyond that window. [12] For persistent post-concussion headache and dizziness, extended rest is not what the evidence supports - active management under a healthcare practitioner, with graded return to physical and cognitive activity guided by symptom response, is the recommended approach. [12] How quickly that activity can be progressed depends on how the person responds, not on a fixed timeline.

After a Whiplash Injury: WAD-Associated Headache and Dizziness

Whiplash-associated disorder (WAD) describes the range of clinical presentations that can follow an acceleration-deceleration injury to the neck. Headache and dizziness are recognised symptoms across all grades of WAD, from the mildest Grade I presentation (neck pain only, no physical signs) through to Grade III (neck complaint with neurological signs). [8] The Australian clinical guidelines for WAD management record dizziness as a Grade C predictor of poor recovery - meaning its presence at the time of injury is associated with slower resolution and ongoing disability in a proportion of people. [8] That does not make poor recovery inevitable, but it signals that WAD with dizziness warrants more active monitoring than WAD without it.

This is an illustrative case. Consider Priya, a 34-year-old office administrator rear-ended at a roundabout eight months ago. Her immediate neck pain and stiffness largely resolved after a few weeks, but she has been left with a persistent daily headache at the base of the skull and intermittent dizziness when turning her head. This is exactly the kind of presentation that a thorough physiotherapy assessment is designed to evaluate - identifying whether the source is a cervicogenic pattern arising from upper cervical joint injury sustained during the whiplash mechanism, or a different WAD-related process.

First-line physiotherapy treatment for acute WAD is straightforward: stay active, return to usual activities as tolerated, and begin neck-specific exercises - including range of motion, low-load isometric, postural endurance, and strengthening exercises. These carry Grade B evidence in the WAD guidelines. [8] Manual therapy for acute WAD is classified as "not routinely recommended" (Grade C) - it may be effective in some cases but should be closely monitored for measurable benefit. [8] Cervical collars have Grade A evidence of being ineffective for WAD and are not recommended. [8]

Where WAD-associated headache has a cervicogenic origin - mechanically reproduced from upper cervical joint dysfunction caused by the whiplash mechanism - the CEH evidence base applies, and both manual therapy and cervical exercise have stronger support than for WAD in general. Accurate assessment distinguishes these two clinical pictures.

What Physiotherapy Can and Can't Do

The evidence for physiotherapy differs meaningfully across these three origins, and those differences are worth stating directly rather than blending them into a single positive picture.

For cervicogenic headache, the evidence base is the most developed. A 2024 network meta-analysis of 28 randomised controlled trials found that physiotherapy significantly reduces headache intensity and frequency in the short term, with manipulation combined with dry needling producing the largest mean reduction. [3] A landmark randomised controlled trial (Jull et al., 2002, n=200) found clinically meaningful reductions in headache frequency and intensity at both 6 weeks and 12 months for both manipulation and specific neck exercise. [6] The most important finding for long-term management comes from a 2023 meta-analysis: at 12 months, manual therapy alone did not maintain greater headache reduction than sham treatment - neck-specific exercise did. [2] The clinical implication is consistent: manual therapy manages the acute problem, exercise changes the pattern over time.

For cervicogenic dizziness, a meta-analysis of 13 randomised controlled trials (n=898) found that manual therapy targeting the upper cervical spine reduced dizziness intensity by a mean of 22 points on the Dizziness Handicap Inventory (a validated 0–100 measure of dizziness impact) compared with sham treatment - moderate-quality evidence. [4] Combined manual therapy and exercise may offer additional benefit, though this evidence is currently rated very low quality. [4]

For post-concussion dizziness, vestibular rehabilitation is specifically recommended in Australian and New Zealand clinical guidelines for functionally limiting cases. [11] This is a different therapeutic target from cervicogenic dizziness - it trains the vestibular system to adapt, rather than addressing cervical proprioceptive dysfunction. Physiotherapists can also manage post-concussion headache and neck pain where these have a cervical component.

For WAD-associated presentations, early active exercise is the strongest first-line recommendation. Where the dizziness is vestibular in origin, vestibular rehabilitation applies; where the headache has a cervicogenic origin, CEH treatment applies. Assessment determines which framework is relevant. For information about what a physiotherapy assessment and treatment course involves, physiotherapy assessment and treatment at RheCore describes the clinical approach and service components.

Between Sessions: What Supports Recovery

Regardless of origin, how movement and load on the neck and head are managed between sessions has a direct bearing on outcomes. For cervicogenic presentations, interrupting sustained neck positions - breaking up long periods of screen work with brief neck movement - reduces cumulative load on upper cervical structures. How often and in what form to do this depends on the individual assessment.

For post-concussion recovery, graded return to physical and cognitive activity is the evidence-based approach: extended rest delays recovery, but attempting too much too soon can exacerbate symptoms and set recovery back. [12] A physiotherapist can guide the pacing of that progression based on symptom response.

Doing prescribed exercises consistently is the single most important self-management factor across all three presentations. Stopping exercises when symptoms ease is a common reason symptoms return - the exercises work precisely by changing the cervical loading pattern or the brain's processing of movement signals, and those adaptations need time to consolidate. [2, 6]

When to Seek Urgent Help - and When to See a Physiotherapist

Some headache and dizziness presentations need immediate medical assessment, not a physiotherapy appointment. A physiotherapist who identifies any of the following during an initial assessment will not proceed with treatment - they will refer.

Go to your nearest emergency department immediately if you experience a sudden, severe headache unlike anything you have felt before - sometimes described as "the worst headache of my life." This pattern is the primary warning sign for subarachnoid haemorrhage (bleeding around the brain) and cervical arterial dissection, both requiring immediate assessment. [7] Dizziness accompanied by double vision, slurred speech, difficulty swallowing, a sudden sensation of dropping, or numbness around the mouth or down one side of the face - these are signs associated with vertebrobasilar insufficiency (a compromise of blood flow to the brainstem). [7] Following any head injury: loss of consciousness, repeated vomiting, seizures, severe or increasing headache, deteriorating conscious state, or visible skull deformity. [12]

See a GP first if your headaches have changed recently in character, intensity, or frequency; they are not responding to standard analgesics; they are accompanied by arm or hand numbness, weakness, or tingling suggesting cervical nerve root involvement; or any headache or other symptom began after a head injury and has continued for more than 10 days. [10]

See a physiotherapist directly if you have had persistent or recurring headaches or dizziness for more than two to four weeks, the pattern suggests a musculoskeletal origin - provoked by neck movement, linked to neck pain or stiffness, following a head injury where serious causes have been excluded, or following a whiplash injury. In Australia, no GP referral is needed to book directly with a physiotherapist. [9]

Key Takeaways

• Persistent headaches and dizziness can arise from the upper cervical spine, a past head injury, or a whiplash injury - accurate assessment of which origin is present determines whether physiotherapy is the right next step and which approach to use.
• For cervicogenic headache, neck-specific exercise is what sustains improvement at 12 months; manual therapy manages the acute mechanical problem but does not maintain long-term benefit without an exercise programme that continues it.
• Post-concussion dizziness that is affecting daily function is a specific indication for vestibular rehabilitation - this targets the vestibular system's recovery and is a different treatment approach from cervicogenic dizziness management.
• A sudden, severe, unfamiliar headache - particularly after a head injury - is a medical emergency requiring immediate assessment, not a physiotherapy appointment.
• In Australia, no GP referral is needed to see a physiotherapist, but if symptoms are sudden, severe, or new in character, a medical review should come first.

References

1. Xiao H, Peng BG, Ma K, et al. Expert panel's guideline on cervicogenic headache: The Chinese Association for the Study of Pain recommendation. *World J Clin Cases*. 2021;9(9):2027–2036. doi:10.12998/wjcc.v9.i9.2027
2. Demont A, Lafrance S, Gaska C, et al. Efficacy of physiotherapy interventions for the management of adults with cervicogenic headache: A systematic review and meta-analyses. *PM R*. 2023;15(5):613–628. doi:10.1002/pmrj.12856
3. Jung A, Carvalho GF, Szikszay TM, Pawlowsky V, Gabler T, Luedtke K. Physical Therapist Interventions to Reduce Headache Intensity, Frequency, and Duration in Patients With Cervicogenic Headache: A Systematic Review and Network Meta-Analysis. *Phys Ther*. 2024;104(2):pzad154. doi:10.1093/ptj/pzad154
4. De Vestel C, Vereeck L, Reid SA, et al. Systematic review and meta-analysis of the therapeutic management of patients with cervicogenic dizziness. *J Man Manip Ther*. 2022;30(5):273–283. doi:10.1080/10669817.2022.2033044
5. Carrasco-Uribarren A, Rodriguez-Sanz J, López-de-Celis C, et al. Short-term effects of the traction-manipulation protocol in dizziness intensity and disability in cervicogenic dizziness: a randomised controlled trial. *Disabil Rehabil*. 2021. doi:10.1080/09638288.2021.1892853
6. Jull G, Trott P, Potter H, et al. A randomised controlled trial of exercise and manipulative therapy for cervicogenic headache. *Spine*. 2002;27(17):1835–1843. doi:10.1097/00007632-200209010-00004
7. Australian Physiotherapy Association. Clinical Guide to Safe Manual Therapy Practice in the Cervical Spine (Part 1). APA. 2025.
8. State Insurance Regulatory Authority (SIRA NSW). Australian Clinical Guidelines for the Management of Acute Whiplash-Associated Disorders. 4th ed. 2021. Available from: sira.nsw.gov.au
9. Healthdirect Australia. Physiotherapy. healthdirect.gov.au. 2024.
10. Healthdirect Australia. Head injuries. healthdirect.gov.au. 2024.
11. University of Queensland (lead), multidisciplinary panel. Australian and New Zealand Clinical Practice Guideline for the Assessment and Management of Mild Traumatic Brain Injury (Concussion). 2024. Available from: anzconcussionguidelines.com
12. Australian Institute of Sport / Sports Medicine Australia. Australian Concussion Guidelines for Youth and Community Sport. 2024. Available from: sma.org.au