Herniated Disc Still Hurts Years Later? The Disc Probably Isn't the Problem
The herniation was 2021. You remember the day: the car seat, the twist, the drop to the floor. The MRI confirmed it, the doctor pointed at the picture, and it has been your explanation ever since. Three years and change. Every flare, every bad morning, every "I can't, my back," traces back to that disc.
There's a problem with the story, and it's a timing problem. Tissue heals on a schedule, and the schedule is shorter than three years. If the disc is the reason you still hurt, your disc would have to be doing something discs don't usually do.
Before going further: the pain is real and physical. This isn't an article about imagining things. It's an article about what's actually producing the pain now, because that turns out to matter for what helps.
Tissue heals on a schedule, and discs are included
A broken bone knits in about six to twelve weeks. Muscle strains settle in days to weeks. Ligament sprains take weeks to a few months.
Herniated discs are no exception. When radiologists take follow-up scans of herniations, they find the herniated material shrinks and gets reabsorbed by the body in a large share of cases, usually within months. The bigger the herniation, the more it tends to shrink. Your body treats the extruded material as something to clean up, and it cleans it up.
So by most measures, a herniation from three years ago is likely a healed event. Something is producing today's pain. It's probably not that.
Pain-free people have herniations too
The second piece of the timeline problem is how common these findings are in people who feel fine.
In the 1990s, researchers scanned 98 adults with no back pain. About two thirds had a disc bulge, protrusion or other abnormality. Only about a third had a "clean" scan. Later, scientists pooled 33 imaging studies covering more than 3,000 people with no back pain, and found disc protrusions in about 3 in 10 people in their 20s with no pain, and 4 in 10 in their 70s. Disc bulges: 30% at 20, 84% at 80, all in people with zero pain.
The radiologists' own conclusion was that these findings are likely part of normal aging and unrelated to pain. If a third of pain-free women your age are walking around with a protrusion on their scan, finding one on yours tells you less than you were led to believe. The full MRI data, by age.
What's actually keeping the pain going
Pain doesn't travel up a wire from your disc. Your brain produces it, as a protective alarm, after weighing everything it knows about whether you're in danger. Signals from tissue are one input. So is fear. So is the diagnosis you were given, and the pressure you've been under since.
After a real injury, the brain can learn the pain. It tags the movement that hurt you, bending with a twist, as dangerous. The disc heals. The tag stays. From then on the alarm fires on prediction: you reach for the car seat and the pain arrives before the load does. Pain scientists call this neuroplastic pain. Brain scans show it running on real pain circuits, which is why it feels identical to the original injury.
A few things keep that alarm sensitive for years:
- The diagnosis itself. "Herniated disc" sounds like permanent damage. A brain that believes its spine is damaged keeps the alarm on.
- Guarding. Bracing, moving carefully, avoiding the floor, never twisting. Each one tells your brain the danger is real.
- Attention. Scanning your back all day. A brain that hunts for a signal finds one.
- The life underneath. Your brain's job is to protect you, including from emotional pain. A sensitive alarm in a woman who is carrying everything, at home and at work, has plenty of reason to stay on. It just keeps using the old injury as the excuse.
Signs your pain outlived your disc
A healed herniation with a sensitive alarm behaves differently from an active disc problem. Check your history:
| What it does | Active disc problem | Alarm that outlived the disc |
|---|---|---|
| Location | Consistent, often one leg | Moves, spreads, switches sides |
| Timing | Steady, or steadily improving | Flares with hard weeks, the week before your period, Sunday nights |
| Triggers | Specific loads | Specific situations: one chair, the commute, picking up a toddler |
| Vacation | No change | Often better, or worse the day you stop |
| Other symptoms | Nothing in particular | Tension headaches, stomach trouble, jaw clenching |
| Treatments | Steady response | PT and chiro help for a while, then wear off |
| Scan versus pain | Scan matches the pain | "Mild," "normal for your age," or wrong side |
If the right column reads like your life, your pain is behaving like an alarm, and alarms can be retrained. Scientists at the University of Colorado tested exactly that, with 151 adults whose back pain had lasted about ten years. After four weeks of the mind-body approach, also called pain reprocessing therapy, 2 out of 3 were pain-free or close to it, versus 1 in 10 with usual care. Results vary. The study, explained.
When the disc (or something else) really is the problem
Some herniations do keep pressing on a nerve, and some back pain has causes that have nothing to do with discs. That's why a doctor comes first, and why the timeline argument above is a reason to ask better questions, not to skip the exam. See a doctor urgently if you have:
- New bladder or bowel changes, or numbness in the groin (ER, today)
- A leg or foot getting steadily weaker
- Fever, unexplained weight loss, or a history of cancer
- A serious fall or accident
- Pain that's constant and getting worse regardless of position
Checked and cleared, with a years-old herniation still taking the blame? Then the better question is what your alarm is protecting you from, and how to teach it to stand down.
FAQ
Can a herniated disc cause pain for years?
Herniated discs typically shrink and reabsorb over months. Pain that continues for years is more often maintained by a sensitive pain system than by the disc. The pain is real and physical. A doctor should rule out ongoing nerve compression.
Do herniated discs heal on their own?
Often, yes. Follow-up scans show the herniated material shrinks and is reabsorbed in a large share of cases, usually within months, without surgery.
Why does my back still hurt if the disc healed?
Because pain is produced by the brain as a protective alarm, and that alarm can stay on after tissue heals. The diagnosis, guarding, attention and life pressure keep it sensitive.
Can you have a herniated disc and no pain?
Yes, and it's common. About two thirds of pain-free adults have some disc abnormality on MRI, and protrusions show up in roughly 3 in 10 pain-free 20-year-olds.
When should I actually worry?
Bladder or bowel changes, groin numbness, a leg getting weaker, fever, unexplained weight loss, cancer history or a serious fall. Those need a doctor, not an article.
Wondering whether your pain outlived your disc? Take the free 2-minute quiz and see which column your back fits, or try Day 1 of the practice free and see what retraining the alarm feels like.
This article is education, not medical advice, diagnosis or treatment. See a doctor about your back pain and your imaging before acting on anything here, and get urgent care for warning signs: new bladder or bowel changes, numbness in the groin, a leg getting weaker, fever, unexplained weight loss, or a history of cancer or a serious fall.
Sources: Jensen MC et al., NEJM, 1994. Brinjikji W et al., AJNR, 2015. Chiu CC et al., on spontaneous regression of herniated discs, Clinical Rehabilitation, 2015. Ashar YK et al., JAMA Psychiatry, 2022.