Central sensitisation in chronic pain — clinical implications for referrals
What central sensitisation means in practice, how to recognise it from a referral standpoint, and what to expect from physiotherapy intervention.
Central sensitisation is one of those concepts that has reshaped how we approach persistent pain, but it can be difficult to translate into day-to-day referral decisions. This piece aims to make it practical: what it is, how to recognise its fingerprints, and what physiotherapy realistically offers.
What it is, in brief
Central sensitisation refers to a state in which the central nervous system becomes more responsive to input — amplifying pain signalling such that pain can persist or spread beyond what peripheral tissue findings would predict. It's a key mechanism in many persistent pain presentations, and it explains the frequent mismatch between imaging, tissue state, and reported pain.
Clinical features that suggest it
Certain patterns raise the index of suspicion for a significant central component:
- Pain disproportionate to identifiable tissue pathology
- Widespread or shifting pain distribution, beyond a single structure
- Heightened sensitivity to stimuli (movement, touch, sometimes light or sound)
- Strong association with sleep disturbance, fatigue, and mood
- Pain that's persisted well beyond expected tissue healing timeframes
A significant central component doesn't mean the pain is "not real" or "in the head" — it's a genuine neurophysiological change. Framing it this way with patients matters; the alternative framing damages the therapeutic relationship and outcomes.
Why this changes the treatment approach
Where central sensitisation is prominent, a purely tissue-focused, passive approach tends to underperform. The evidence favours a broader, active model:
- Pain education — reconceptualising pain reduces threat and supports engagement
- Graded activity and exposure — rebuilding capacity and confidence with movement
- Attention to sleep, stress, and load — given their influence on the system
- A self-management framework — supporting long-term autonomy over passive dependency
What to set expectations around
Recovery in sensitised presentations is typically non-linear and slower than acute tissue-driven pain. Progress is measured in function and flare-resilience as much as in pain scores. Patients (and referrers) who expect a quick structural "fix" are often disappointed; those who understand the active, gradual nature of the work tend to engage and improve.
Referral notes
- Flag the chronicity and pattern in your referral — it helps shape the approach from the first session.
- Set the frame early. Patients told to expect an active, education-led approach engage better than those expecting passive treatment.
- Co-management helps where mood, sleep, or medical factors are significant — a coordinated approach outperforms siloed care.
Summary
Recognising a central component changes both the approach and the expectations. Physiotherapy has a genuine and evidence-aligned role here — but it's the active, educational, graded model that tends to help, not passive modalities. Specific educational and exposure approaches should be applied in line with current pain-science best practice and tailored to the individual.
Always happy to discuss complex persistent-pain presentations with colleagues — details below.
This article provides general educational information and does not constitute individual medical advice. It is not a substitute for assessment by a qualified health professional. Always seek advice tailored to your specific circumstances from your treating practitioner.