Central sensitization and chronic pain
Central sensitization: symptoms, pain sensitivity and support
Central sensitization describes changes in how pain-related signals are processed within the central nervous system. The system may become more responsive, so pain can feel stronger, spread more widely or continue for longer than expected.
The pain is real. Central sensitization is one possible mechanism within some chronic pain experiences, not a universal explanation for every symptom or condition.
This page explains the terminology, common patterns and where neuroplasticity-based practice may fit alongside medical care, rehabilitation and other support.
Understanding pain sensitivity
What is central sensitization?
The term “central sensitization syndrome” is sometimes used online, although central sensitization is more accurately understood as a possible pain-processing mechanism rather than one single condition.
Pain is a protective experience created through the combined activity of the brain, spinal cord, nerves, body and wider context.
Central sensitization describes increased responsiveness within parts of the central nervous system involved in processing pain-related information. A signal may produce a stronger response than it once did, or sensitivity may extend beyond the original area.1
It can develop alongside ongoing inflammation or nerve-related changes, and it may also remain relevant after an injury has healed. The exact mechanisms differ between people and conditions.
Central sensitization is not a diagnosis that explains every form of persistent pain. It is one possible part of a much larger picture.
The pain is real
Central sensitization does not mean pain is imagined, exaggerated or “all in the mind.” Pain is a genuine experience, even when a scan or test does not fully explain its intensity.
Words you may come across
Central sensitization, central sensitivity syndromes and nociplastic pain
Central sensitization
A nervous-system mechanism involving increased responsiveness in pain-processing pathways.
Central sensitivity syndromes
An umbrella term some researchers and clinicians use for conditions that share patterns of pain, fatigue or sensitivity. It is not used consistently and should not be treated as one universal diagnosis.
Nociplastic pain
A pain descriptor used when altered pain processing appears relevant and the pain is not fully explained by tissue injury or disease of the somatosensory system. 3 4
These terms overlap, but they are not interchangeable.3 A clinician may consider several pain mechanisms at the same time.
What people may notice
How increased pain sensitivity may feel
Pain from light touch
Clothing, pressure or gentle contact may feel painful. This experience is sometimes called allodynia.26
A stronger pain response
Something that would normally hurt may feel more intense than expected. This is known as hyperalgesia.2
Pain spreading beyond one area
Sensitivity may extend around or beyond the place where pain originally began.
Pain continuing after a trigger
The response may remain active after the movement, pressure or activity has stopped.
Fluctuating sensitivity
Pain may feel different depending on sleep, illness, stress, activity, recovery and other factors.
Other symptoms alongside pain
Some people also experience fatigue, unrefreshing sleep, concentration difficulties or broader sensory sensitivity.
Allodynia and hyperalgesia describe pain experiences. Their presence does not, by itself, identify the underlying pain mechanism.26
None of these experiences confirms central sensitization by itself. They can occur for several reasons and should be considered in the context of the person’s full health picture.
Related reading: sleep difficulties, persistent fatigue and low energy and brain fog and cognitive fatigue.
Pain processing becomes more responsive
Stronger or longer-lasting pain experience
This is a simplified illustration, not a diagnostic model.
An important clarification
What central sensitization does not mean
It does not mean the pain is imaginary
Pain remains real even when its intensity cannot be explained by one scan, injury or test result.
It does not rule out physical causes
Inflammation, injury, nerve changes and central sensitization can coexist.
It does not explain every symptom
Chronic pain and sensitivity can involve several interacting mechanisms.
It is not a personal failure
A more sensitive pain system is not caused by weakness, lack of resilience or not thinking positively enough.
Pain is context-sensitive
Why sensitivity can change from day to day
Persistent pain is not always steady. The same movement, pressure or activity may feel manageable on one day and much harder on another.
Sleep, illness, physical load, stress, sensory input, mood, medication and previous pain experiences can all influence how pain is processed at a particular moment.
This does not mean the pain is caused by thoughts or emotions. It means pain is shaped by biological, psychological and social information at the same time.
Sleep and recovery
Poor or disrupted sleep can leave pain easier to trigger and harder to settle.
Physical load
Too much activity, too little movement or a sudden change in capacity may affect symptoms.
Stress and attention
Sustained pressure and repeated attention to pain can influence how dominant or difficult the experience feels.
Health and context
Illness, medication, hormones and other conditions may change the body's response.
Related reading: sleep and the nervous system, stress and burnout and anxiety and physical sensations.
Getting the full picture
How central sensitization is assessed
There is no single routine scan, blood test or questionnaire that confirms central sensitization.1
A qualified healthcare professional may consider the history of the pain, its distribution, sensitivity to touch or movement, other health conditions and how symptoms have changed over time.
Questionnaires may help describe someone’s experience, but they cannot establish the underlying pain mechanism on their own.7
Persistent or changing pain deserves assessment
New, severe, unexplained or changing pain should not automatically be attributed to central sensitization. Speak with a qualified healthcare professional about symptoms and the assessment available in your country.
Support may involve more than one approach
Understanding the pain experience
Clear pain education can reduce confusion and help someone make informed choices.
Medical and condition-specific care
Treatment may address inflammation, injury, nerve changes or another underlying condition.
Tailored movement and rehabilitation
Physical or occupational therapy may help when matched to the person and their condition, capacity and goals.
Sleep and emotional support
Sleep care and psychological support can help with the wider impact of persistent pain.
There is no single approach that works for everyone. Support should reflect the person’s diagnosis, health, preferences and current capacity.5
Central sensitization and neuroplasticity
Where neuroplasticity may fit
Neuroplasticity is the brain and nervous system’s ability to change through learning and experience. Neuroplasticity helps explain how pain-related responses can change through experience over time. These processes are complex, and neuroplasticity is only one part of the wider pain picture.
This does not mean someone can think pain away. Neuroplasticity does not remove an injury, inflammation, nerve damage or another medical condition.
Its practical role may include learning to notice patterns earlier, gradually building confidence around sensations or movements that have been assessed as safe within the person’s wider care, building confidence with movement, responding differently to flare-ups and practising regulation alongside other care.
Change is rarely linear, and no practice can guarantee that pain or sensitivity will disappear.
✕proof that pain is psychological;
✕a cure for chronic pain;
✕a replacement for medical care or rehabilitation;
✕a reason to push through symptoms;
✕a guarantee of recovery.
The re-origin approach
Support for working with pain-related nervous-system patterns
re-origin is not a pain clinic and does not diagnose or treat central sensitization.
Some members use the platform alongside medical care, rehabilitation or therapy to understand nervous-system patterns, practise regulation and build a steadier response to difficult sensations and flare-ups.
The aim is not to deny pain or force activity. It is to offer structured education and practices that can help members work with their experience more confidently.
Understand the pattern
Learn how pain, attention, stress and repeated responses can interact.
Create more space around difficult sensations
Practise pausing and responding with more choice, without dismissing the pain or pretending it is not there.
Build confidence gradually
Use small, repeatable practices that reflect current capacity rather than forcing progress.
Practise with support
Access structured programs, guided practices, optional 1-1 coaching and member communities.
Katie Rapkoch
Title & credentials to be confirmed before publication
Katie Rapkoch has a background in physical therapy, coaching and applied neuroscience. She has contributed to re-origin education and coaching content focused on neuroplasticity, persistent symptoms and nervous-system patterns.
Last updated: July 2026 · Last medically reviewed: pending clinical sign-off
The final medical reviewer’s name, qualification and review date will appear here as a separate credited card once an appropriately qualified reviewer has approved the final page.
Where central sensitization may be relevant
Features associated with central sensitization have been studied in several chronic pain conditions. Their presence and importance vary considerably between individuals.9
These conditions should not be labelled “central sensitization syndromes” automatically. A person may have nociceptive, neuropathic and nociplastic pain features at the same time.4
Explore in more depth: chronic pain, fibromyalgia and widespread pain and IBS and nervous-system sensitivity.
Fibromyalgia
Widespread pain and increased sensitivity are common features, although fibromyalgia is complex and cannot be reduced to one mechanism. 8
Persistent musculoskeletal pain
Sensitization may be relevant in some cases of back pain, neck pain, pelvic pain or other long-lasting musculoskeletal pain.
Headache and migraine
Altered pain sensitivity may contribute to some headache experiences, but headache conditions have different causes and mechanisms.
Irritable bowel syndrome
Pain-processing changes may be relevant for some people with persistent visceral pain or IBS.
Temporomandibular and facial pain
Some persistent jaw or facial-pain conditions may include increased sensitivity.
Questions
Questions about central sensitization
Is central sensitization syndrome a formal diagnosis?
The terminology is used in different ways. Central sensitization most accurately describes a nervous-system mechanism. “Central sensitivity syndromes” is an umbrella term sometimes used for overlapping conditions, but it is not one universal diagnosis.
Does central sensitization mean my pain is imaginary?
No. Pain is a real sensory and emotional experience. Central sensitization describes one possible way pain processing may become more responsive.
Can central sensitization occur with an injury or medical condition?
Yes. Increased pain sensitivity can coexist with inflammation, tissue injury, nerve-related pain or another diagnosed condition.
Is central sensitization the same as nociplastic pain?
No. The terms are related but not identical. Nociplastic pain is a pain descriptor, while central sensitization refers to changes in nervous-system responsiveness that may contribute to some pain experiences.
How do I know whether I have central sensitization?
There is no single routine test that confirms it. A qualified healthcare professional can consider your symptoms, medical history and possible pain mechanisms.
Is central sensitization permanent?
Pain sensitivity can change over time, but the course differs between people. No single treatment or practice guarantees that symptoms will resolve.
Can stress cause central sensitization?
Stress can influence pain and make symptoms feel harder to manage, but it should not be presented as the sole cause of central sensitization or chronic pain.
Can neuroplasticity cure central sensitization?
No. Neuroplasticity helps explain how the nervous system learns and adapts. It may support the development of new skills and responses, but it is not a cure or replacement for individual care.
Can re-origin treat central sensitization?
No. re-origin does not diagnose or treat central sensitization or chronic pain. It may provide complementary education, nervous-system practices, coaching and community support.
A steadier way to work with nervous-system patterns
Explore science-informed neuroplasticity programs, brain-body practices, coaching and community support for nervous system regulation.
Medical disclaimer
The information on this page is provided for educational purposes only. It is not intended to diagnose, treat, cure or prevent any condition and does not replace assessment, diagnosis or treatment from qualified healthcare professionals. Do not start, stop or change medication or treatment based on this page. Seek appropriate medical advice for new, severe, worsening or unexplained symptoms.
References
- Woolf CJ. Central sensitization: implications for the diagnosis and treatment of pain. Pain. 2011;152(3 Suppl):S2–S15. Journal source. View source
- International Association for the Study of Pain. IASP Terminology: pain, central sensitization, allodynia, hyperalgesia, nociceptive, neuropathic and nociplastic pain. IASP (accessed July 2026). View source
- Kosek E, Clauw D, Nijs J, et al. Chronic nociplastic pain affecting the musculoskeletal system: clinical criteria and grading system. Pain. 2021;162(11):2629–2634. PubMed. View source
- Fitzcharles MA, Cohen SP, Clauw DJ, Littlejohn G, Usui C, Häuser W. Nociplastic pain: towards an understanding of prevalent pain conditions. The Lancet. 2021;397(10289):2098–2110. Journal source. View source
- National Institute for Health and Care Excellence. Chronic pain (primary and secondary) in over 16s: assessment of all chronic pain and management of chronic primary pain. NICE guideline NG193. 2021 (accessed July 2026). View source
- International Association for the Study of Pain. Allodynia and hyperalgesia in neuropathic pain. IASP (accessed July 2026). View source
- Scerbo T, Colasurdo J, Dunn S, Unger J, Nijs J, Cook C. Measurement properties of the Central Sensitization Inventory: a systematic review. Pain Practice. 2018;18(4):544–554. PubMed. View source
- Clauw DJ. Fibromyalgia: a clinical review. JAMA. 2014;311(15):1547–1555. Journal source. View source
- Nijs J, George SZ, Clauw DJ, et al. Central sensitisation in chronic pain conditions: latest discoveries and their potential for precision medicine. The Lancet Rheumatology. 2021;3(5):e383–e392. Journal source. View source