THE BACK PAIN BLOG

Can Stress Cause Lower Back Pain? A Physical Therapist Explains

Nov 09, 2026

Woman sitting calmly on a sofa at home with a hand on her lower back, taking a slow breath during a stressful workday

By Dr. Nate Feehrer, PT, DPT (Doctor of Physical Therapy, B.S. in Neuroscience)

Yes. Stress can trigger lower back pain, make existing pain worse, and help keep it going for months or years. Stress doesn't damage your spine, but it puts your nervous system into protect mode: your muscles brace, your pain alarm becomes more sensitive, and your sleep suffers, all of which turn pain up.

The upside is that this works in both directions. If stress can turn pain up through your nervous system, calming that system can help turn it back down.

"Why does my back always get worse when life gets stressful?" If that sounds familiar, you're not imagining it. I lived with an L4-L5 disc herniation and four years of back pain myself, so I know how confusing that pattern can feel. Here's what the research says, and what you can actually do about it.

Key takeaways

Stress can cause, trigger, and worsen lower back pain. Your pain is real, not imagined.
Under stress, your trunk muscles tend to brace and co-contract, which increases the load on your spine.
Ongoing stress and poor sleep make the nervous system more sensitive, so the same movement can hurt more.
Stress and distress are linked to acute back pain becoming chronic back pain.
Stress-focused approaches like mindfulness, CBT, and pain reprocessing have strong trial results for chronic back pain.
A few symptoms need a doctor right away, no matter how stressed you are. Know them first.

How does stress cause lower back pain?

Stress puts your whole body in protect mode. When your brain senses a threat, whether it's a deadline, money worries, a hard conversation, or pain itself, it shifts you into fight or flight. That response is built to keep you safe. But when it stays switched on day after day, it changes how your back feels in at least three ways.

1. Your muscles brace and guard

In a lab study published in Spine, researchers had 25 people perform the same lifts under calm and stressful conditions. Stress increased compression and side-to-side shear forces on the lower spine in many participants. The reason was muscle co-contraction: under stress, opposing trunk muscles tightened against each other at the same time, like driving with the brakes on.

That kind of bracing is helpful for a moment. Held for weeks, it leaves your back stiff, tired, and sore.

2. Your pain alarm gets more sensitive

Think of pain as your nervous system's alarm. Stress hormones and constant threat signals can turn the sensitivity of that alarm up. In a study in the journal Brain, people with chronic back pain had higher levels of the stress hormone cortisol than people without pain. In those with back pain, higher cortisol went along with a smaller hippocampus (a brain area involved in memory and stress) and stronger pain responses in a region tied to anticipatory anxiety. The authors called it a "stress model of chronic pain."

The International Association for the Study of Pain has a name for pain driven by this kind of change in pain processing, without clear tissue damage to explain it: nociplastic pain. It can exist on its own or alongside a real injury.

3. Stress steals your sleep, and poor sleep lowers your pain threshold

Stress and sleep are tightly linked, and sleep has a direct effect on pain. In research published in the Journal of Neuroscience, one night of sleep deprivation lowered people's pain thresholds and amplified pain responses in the brain's sensory cortex. Outside the lab, even small night-to-night changes in sleep quality predicted how much pain people felt the next day.

So a stressful week often means worse sleep, and worse sleep means a back that hurts more, which then makes it harder to sleep. That's a loop many people get stuck in.

Can stress turn short-term back pain into chronic back pain?

It can be a big part of it. A review in Spine looked at 37 prospective studies and found that stress, distress, anxiety, and mood were linked to the onset of back and neck pain and especially to the shift from acute to chronic pain. A second systematic review in Spine found that psychological distress and depressed mood increased the risk of back pain becoming chronic.

More recent research points the same way. In a 2023 study in the journal Pain, researchers followed 120 people from the start of an acute low back pain episode. Higher stress, depression, and pain catastrophizing at the start were among the strongest predictors of how much pain they had six months later, alongside measures of how their brains processed sensation and movement.

Brain imaging shows how this shift can look. In a study in Brain, back pain in people who had it for about two months lit up mostly pain-related brain regions. In people who had back pain for more than 10 years, it showed up mostly in emotion-related circuits. As pain becomes chronic, it becomes less about the tissue and more about how the brain and nervous system are processing it.

To be fair to the science, stress is one factor among several. A systematic review in the Journal of Pain found some evidence that perceived stress and life stressors play a role in developing chronic spinal pain, but rated that evidence as low quality and called for more research. Stress rarely acts alone. It usually works together with an old injury, poor sleep, fear of movement, and the habit of guarding.

Is stress-related back pain real, or is it "all in my head"?

It's real. IASP defines pain as "an unpleasant sensory and emotional experience associated with, or resembling that associated with, actual or potential tissue damage." Every pain you have ever felt, from a paper cut to a disc injury, is produced by your brain and nervous system. Saying stress is involved doesn't mean you're making it up or that you're weak. It means your nervous system is doing its job a little too well.

That's actually good news. Tissue damage can take a long time to change. A nervous system that has learned to be overprotective can learn to calm down.

Signs stress is playing a big role in your back pain

Your pain gets worse during busy, stressful, or emotional stretches of life, and eases on vacation or relaxed weekends.
Flare-ups show up without a clear injury or after something minor, like bending to pick up a sock.
Your pain moves around or changes from day to day.
Bad sleep reliably means a worse back the next day.
You find yourself bracing, holding your breath, or clenching when you're tense.
Your scans show little or nothing that explains how much it hurts, or your doctor has ruled out anything serious.

If several of these sound familiar, calming your nervous system is likely a key part of getting better.

What actually helps stress-related lower back pain?

Treating the nervous system, not just the back. The strongest evidence comes from approaches that target how your brain responds to stress and pain.

In a randomized trial of 342 adults with chronic low back pain published in JAMA, people were assigned to mindfulness-based stress reduction (MBSR), cognitive behavioral therapy (CBT), or usual care. At 26 weeks, 60.5% of the MBSR group and 57.7% of the CBT group had a meaningful improvement in function, compared with 44.1% of the usual care group. Meaningful improvement in how bothersome their pain was came in at 43.6% for MBSR, 44.9% for CBT, and 26.6% for usual care. The MBSR benefits held at one year.

Pain reprocessing therapy, which teaches people to see their pain as a safe, reversible signal from the brain, has some of the most striking results. In a trial in JAMA Psychiatry, 66% of people with chronic back pain who received it were pain-free or nearly pain-free after four weeks, compared with 20% with a placebo injection and 10% with usual care.

Simple things you can start today

Name it. When pain spikes during a stressful moment, remind yourself: "This is my alarm turning up, not my spine breaking." Fear makes the alarm louder.
Breathe low and slow. Try a few minutes of slow breathing with a longer exhale than inhale. It's one of the quickest ways to tell your body you're safe.
Keep moving gently. The NHS advises staying active and not resting in bed for long periods. Walking is a great place to start.
Protect your sleep. A consistent bedtime and a wind-down routine help your back as much as any stretch.
Notice your bracing. Check in a few times a day. Drop your shoulders, unclench your jaw, and let your belly soften.

How BackUnbroken puts this together

BackUnbroken is built on the same mind-body neuroscience, in three phases:

Reframe. Learn what your pain is and isn't telling you, so stress and flare-ups stop feeling like a sign of damage.
Rewire. Calm an overprotective nervous system with breathwork, relaxation, and gentle exposure to the movements you've been avoiding.
Restore. Rebuild strength, mobility, and confidence step by step, so your back can handle real life again, stressful weeks included.

It takes about 15 minutes a day, from home, with no equipment. You can follow it in the BackUnbroken app on the App Store or Google Play, or on your computer. You can read stories from members who've been through it on our testimonials page.

When should I see a doctor?

Stress is never a reason to skip a medical check. See a doctor first to rule out anything serious, especially if your pain is new, severe, or not improving after a few weeks. The NHS also recommends seeing a doctor if you've lost weight without trying, your pain is worse at night or doesn't improve with rest, or there's a lump or swelling in your back. Get urgent help if you feel hot, shivery, or generally unwell along with your back pain.

Call emergency services or go to an emergency department right away if you have back pain with any of these, which can be signs of cauda equina syndrome or another serious problem:

Pain, tingling, weakness, or numbness in both legs
Loss of feeling around your genitals or bottom
New trouble peeing, or loss of bladder or bowel control
Chest pain
Pain that started after a serious accident, such as a car crash or bad fall

Ready to calm the stress-pain cycle?

If your MRI also shows a disc problem, read My MRI Shows a Herniated Disc. Can My Back Pain Still Be the Nervous System? And if you have questions about how the program works, our FAQ page answers the most common ones.

Not sure if BackUnbroken is a good fit for you? Take the Free Assessment. It takes less than 2 minutes. When you're ready, start your 5-day free trial. You can cancel anytime during the trial, and you won't be charged.

Frequently asked questions

Quick answers to the questions we hear most about stress and back pain.

Can stress cause lower back pain without an injury?

Yes. Stress can make your trunk muscles brace and co-contract, raise stress hormones, disrupt sleep, and make your nervous system more sensitive to normal movement. Any of these can bring on lower back pain or a flare-up even when there's no new injury. A doctor should still rule out other causes first.

Can anxiety cause lower back pain?

It can contribute. Research links anxiety, stress, and distress to the start of back pain and to back pain becoming chronic. Anxiety keeps your body on high alert, which can increase muscle tension and turn up how strongly your nervous system signals pain.

How long does stress-related back pain last?

A short flare from a stressful event often settles within days to a few weeks, especially if you stay gently active. When stress, poor sleep, and fear of movement keep going, pain can last for months or years. Calming the nervous system is often what breaks that cycle.

Can BackUnbroken help if stress makes my back pain worse?

Yes. BackUnbroken is built for exactly this. It helps you understand your pain, calm an overprotective nervous system with tools like breathwork and relaxation, and rebuild strength and confidence in movement, in about 15 minutes a day. Check with your doctor first if you have any red flag symptoms.

This article is for educational purposes only and is not a substitute for professional medical advice. Talk to your healthcare provider before making any treatment decision.