What Is Nociplastic Pain? | The Medical Term Explained Simply

Published March 7, 2026 · 10 min read

By Tauri Urbanik, Pain Science Researcher

Your doctor used a word you had never heard before

Maybe it happened at a recent appointment. Your doctor, or a pain specialist, or a rheumatologist, used the term "nociplastic pain." Maybe they scribbled it on a referral form. Maybe they mentioned it in passing. And you went home and Googled it.

If that is how you ended up here, good. Because this word might be the most important thing to come out of pain science in the last decade. And what it means for your pain could change everything.

Nociplastic pain in plain language

In 2017, the International Association for the Study of Pain (IASP) officially adopted a new category of pain (Kosek et al., PAIN, 2016↗). They called it nociplastic pain. The formal definition: "pain that arises from altered nociception despite no clear evidence of actual or threatened tissue damage."

In plain language: pain your nervous system creates on its own, without anything being broken. You may also see this called neuroplastic pain.

Before 2017, medicine recognized two types of chronic pain. Nociceptive pain from tissue damage (a broken bone, a burn, arthritis). And neuropathic pain from nerve damage (diabetic neuropathy, sciatica from a compressed nerve). If your pain did not fit neatly into one of these boxes, it was often dismissed, minimized, or labeled "unexplained."

Nociplastic changed that. It gave a name to what millions of people experience: real pain with no structural cause.

The three types of pain

Understanding where nociplastic fits helps clarify what is happening in your body.

Here is the key distinction. Nociceptive and neuropathic pain have an identifiable cause in the body. Find the damage, treat the damage, reduce the pain. Nociplastic pain has no identifiable peripheral cause. The pain is generated centrally, by a nervous system that has become sensitized.

This does not mean nociplastic pain is imaginary. It fires through the exact same neural pathways as a broken bone. It activates the same brain regions. The pain is 100% real. The source is different.

The conditions that fit

Nociplastic pain is not rare. It is involved in some of the most common chronic pain conditions:

• Fibromyalgia: The archetypal nociplastic condition. Widespread pain, no tissue damage.
• Chronic back pain: Especially when imaging doesn't explain the pain level. Disc bulges appear in 50% of pain-free 40-year-olds (Brinjikji et al., AJNR, 2015↗).
• IBS: Gut pain without structural gut disease.
• Chronic migraines: Brain on high alert, minor stimuli trigger attacks.
• TMJ disorders: Jaw pain without significant joint damage.
• Interstitial cystitis: Bladder pain with normal-appearing bladders.
• CRPS type 1: Pain and swelling without proportional injury.

Notice something? These conditions overlap. People with fibromyalgia often have IBS. Migraine patients frequently develop TMJ. Chronic back pain coexists with widespread pain sensitivity.

This overlap is not coincidence. It is the same sensitized nervous system expressing itself through different outputs. One mechanism. Many symptoms.

Why your medication probably is not working

Here is what the nociplastic framework makes clear. Standard pain medications were designed for nociceptive and neuropathic pain. They target tissue inflammation or nerve signals.

Nociplastic pain does not involve significant tissue inflammation. The nerve signals it produces are generated centrally. So the standard medications miss the target.

Cochrane reviews confirm this. NSAIDs, paracetamol, opioids, and muscle relaxants are largely ineffective for nociplastic pain conditions. They were designed for a different kind of pain.

The mechanism: central sensitization

Nociplastic pain arises from central sensitization. Your brain and spinal cord have become hypersensitive to incoming signals (Woolf CJ, PAIN, 2011↗). Normal signals that should be ignored get amplified into pain. Light touch hurts (allodynia). Mild stimuli produce disproportionate pain (hyperalgesia).

Think of it like a car alarm that goes off when someone walks past. The alarm system works perfectly. But the sensitivity is set too high. Every non-threat triggers a full response.

Your nervous system learned to be this sensitive. Maybe after an injury that healed but the pain did not stop. Maybe during a period of intense stress. Maybe gradually, with no clear trigger. However it started, the nervous system got stuck in protective mode.

And here is the part that matters most: what was learned can be unlearned.

What actually works

Pain Reprocessing Therapy produced 66% pain-free rates in a randomized controlled trial for chronic back pain (Ashar et al., JAMA Psychiatry, 2022↗). Not by treating tissue. Not by adjusting neurotransmitters. By retraining the brain to stop generating pain signals.

EAET achieved 22.5% of fibromyalgia patients reaching 50%+ pain reduction, 3x better than CBT (Lumley et al., PAIN, 2017↗).

Pain neuroscience education, learning how your pain system works, is itself therapeutic. Meta-analyses show it reduces pain, fear, and disability (Louw et al., Physiotherapy, 2016↗). You are already doing this by reading this page.

These approaches work because they target the actual mechanism. Not the tissue. Not the nerve. The sensitized nervous system itself.

Building your evidence

Start tracking patterns in your own pain. Does it fluctuate with stress? Move around? Respond to your emotional state? These patterns are the fingerprints of nociplastic pain.

Nociplastic is the establishment catching up

If the concept behind nociplastic pain sounds familiar, that is because pain researchers have been documenting this mechanism for decades. Dr. John Sarno wrote about it in the 1990s (calling it TMS). Dr. Alan Gordon built Pain Reprocessing Therapy around it. Researchers like Woolf, Apkarian, and Moseley have been publishing brain imaging studies confirming it for over 20 years.

Nociplastic is the medical establishment's formal acknowledgment of what this research already showed. Pain can be generated entirely by the brain and nervous system. It is real. It is measurable. And it is treatable.

The difference now? Your doctor has a word for it. That word opens doors. It validates your experience. And it points toward treatment that actually targets the right mechanism.

Frequently asked questions

What is nociplastic pain?

Nociplastic pain is the official medical term adopted by the International Association for the Study of Pain in 2017. It describes pain that arises from altered nervous system processing without clear tissue damage or nerve injury. In plain terms, it's pain generated by a sensitized brain and nervous system.

What is the difference between nociplastic and nociceptive pain?

Nociceptive pain comes from actual tissue damage like a cut, burn, or fracture. Nociplastic pain arises from altered pain processing in the nervous system without tissue damage. Nociceptive pain serves a protective purpose. Nociplastic pain is the system stuck in protective mode after the threat is gone.

What conditions are nociplastic?

Conditions recognized as involving nociplastic pain include fibromyalgia, chronic back pain, IBS, chronic migraines, TMJ disorders, interstitial cystitis, and CRPS type 1. These conditions often overlap because they share the same underlying nervous system mechanism.

How is nociplastic pain treated?

NSAIDs, opioids, and muscle relaxants are largely ineffective for nociplastic pain. It responds to brain-based approaches: Pain Reprocessing Therapy, Emotional Awareness and Expression Therapy, pain neuroscience education, and exercise. These target the sensitized nervous system rather than tissue.

Is nociplastic pain the same as neuroplastic pain?

They describe the same phenomenon from different angles. Nociplastic is the official IASP medical term. Neuroplastic is the patient-friendly term used by researchers like Alan Gordon. Both refer to pain generated by altered nervous system processing rather than tissue damage.

References

1. Kosek E, et al. Do we need a third mechanistic descriptor for chronic pain states? Pain. 2016;157(7):1382-1386.
2. Woolf CJ. Central sensitization: implications for the diagnosis and treatment of pain. Pain. 2011;152(3 Suppl):S2-S15.DOI: 10.1016/j.pain.2010.09.030
3. Ashar YK, et al. Effect of Pain Reprocessing Therapy vs Placebo and Usual Care for Patients With Chronic Back Pain. JAMA Psychiatry. 2022;79(1):13-23.DOI: 10.1001/jamapsychiatry.2021.2669
4. Lumley MA, et al. Emotional awareness and expression therapy, cognitive-behavioral therapy, and education for fibromyalgia. PAIN. 2017;158(12):2354-2363.DOI: 10.1097/j.pain.0000000000000749
5. Louw A, et al. The efficacy of pain neuroscience education on musculoskeletal pain: a systematic review. Physiotherapy. 2016;102(1):3-12.DOI: 10.1016/j.physio.2015.10.007
6. Brinjikji W, et al. Systematic literature review of imaging features of spinal degeneration in asymptomatic populations. AJNR. 2015;36(4):811-816.DOI: 10.3174/ajnr.A4173