Help! I Have Sciatica — Or Do I? - Fighting Fit Physiotherapy Nerang Gold Coast

Does Every Disc Bulge Cause Sciatica?

Pain shooting down your leg? Don’t assume the scan has all the answers.

If you’ve had an MRI and been told you have a disc bulge, it’s easy to assume:

“That must be what’s causing my pain.”

But that’s not always the case.

A disc bulge can contribute to sciatica, but plenty of people have disc bulges with absolutely no symptoms.

And just because pain travels into your buttock or leg doesn’t automatically mean you have true sciatica either.

That distinction matters — because the right treatment depends on knowing what’s actually driving your symptoms.

What Is a Disc Bulge?

Between each vertebra in your spine sits an intervertebral disc.

These discs help:

Absorb load
Allow your spine to bend and twist
Distribute forces through the lower back

A disc bulge happens when part of the disc extends beyond its usual boundary.

This can develop gradually over time or occur after an injury or period of heavy loading.

But here’s the important bit:

A disc bulge does not automatically mean something is badly damaged.

Disc changes are incredibly common, especially as we get older.

Many people have them without ever experiencing back pain or sciatica.

What Is True Sciatica?

Sciatica is often used as a catch-all term for any pain travelling down the leg.

But true sciatica specifically involves irritation of a spinal nerve root that contributes to the sciatic nerve.

When that nerve becomes irritated, symptoms can travel from the lower back or buttock into the leg.

Common signs include:

Sharp, burning or electric pain
Pain travelling below the knee
Pins and needles
Numbness
Weakness in the leg or foot
Symptoms aggravated by coughing, sneezing or straining
Pain that worsens with certain sitting or bending positions

People often describe it as more of a shooting, burning or electric sensation than a muscular ache.

What Isn’t Sciatica?

Not every pain that spreads into the buttock or thigh is nerve pain.

Other structures can refer pain into the leg, including:

Muscles
Spinal joints
Sacroiliac joints
Ligaments
Tendons

This is called referred pain.

Compared with true sciatica, referred pain is more likely to:

Stay above the knee
Feel dull or aching
Not cause pins and needles
Not cause numbness
Not cause muscle weakness

That’s why treating all leg pain as “sciatica” can send rehab in completely the wrong direction.

Can a Disc Bulge Cause Sciatica?

Yes — but only if the disc is actually affecting a nearby nerve.

This might happen if the disc:

Irritates a nerve root
Causes inflammation around the nerve
Reduces the space available for the nerve

When this occurs, symptoms tend to follow a recognisable nerve pattern into the leg.

But if the disc bulge isn’t affecting a nerve?

It may be completely pain-free.

The MRI Doesn’t Tell the Whole Story

This is one of the most important things to understand.

Seeing words like:

Disc bulge
Degeneration
Disc protrusion
Wear and tear

on an MRI report can sound scary.

But spinal changes become increasingly common with age, even in people with no pain.

Think of them a bit like wrinkles on the skin.

They can be normal changes that come with time — not proof of damage.

That’s why we don’t treat the scan.

We treat the person.

At Fighting Fit, we combine any imaging findings with:

Your symptoms
Your history
Neurological testing
Strength testing
Movement assessment
Functional testing

That gives us a much clearer picture of what’s actually going on.

Can You Have Sciatica Without a Disc Bulge?

Absolutely.

Disc problems are only one potential cause.

Other causes can include:

Spinal stenosis
Degenerative changes around the nerve
Spondylolisthesis
Inflammation around a nerve root
Deep gluteal syndrome

And, much less commonly, more serious conditions can also irritate nerves.

That’s why a proper assessment matters.

Signs Your Symptoms May Be Disc-Related

Some patterns can make disc involvement more likely, including:

Pain beginning after bending, lifting or twisting
Leg pain being worse than back pain
Pain travelling below the knee
Pain with coughing, sneezing or straining
Difficulty sitting for long periods
Symptoms changing with repeated movements or positions

These signs can help guide diagnosis, but none of them prove the cause on their own.

Do You Need an MRI?

Usually, not straight away.

Most cases of back pain and sciatica can be managed initially without imaging.

An MRI may be more appropriate if:

Symptoms aren’t improving with appropriate treatment
Significant weakness is developing
Symptoms are getting progressively worse
A serious condition is suspected
Surgery or injection treatment is being considered

Your physio or GP can help decide whether imaging is actually needed.

Can Physiotherapy Help Sciatica?

Yes.

For most people, physiotherapy is a first-line treatment.

Treatment depends on the cause, but may include:

Education about your condition
Exercises to improve mobility
Nerve gliding exercises
Progressive strengthening
Advice on staying active
Load management
Manual therapy where appropriate
A graded return to work, training or sport

The goal isn’t just to settle the pain.

It’s to restore strength, confidence and movement while reducing irritation of the nerve.

When Should You Seek Urgent Medical Attention?

Most cases of sciatica are not emergencies.

But seek urgent medical assessment if you develop:

Loss of bladder or bowel control
Numbness around the groin or saddle area
Rapidly worsening leg weakness
Difficulty walking due to progressive weakness
Severe pain after significant trauma
New back pain with fever, unexplained weight loss or a history of cancer

These symptoms require prompt medical investigation.

The Bottom Line

A disc bulge does not automatically mean you have sciatica.

And pain travelling down your leg does not automatically mean the sciatic nerve is involved.

The most important thing is identifying the true source of your symptoms.

Because:

Treating a scan won’t always fix the pain.
Stretching a leg won’t fix nerve irritation.
Rest alone rarely solves the problem.

A proper assessment gives you clarity — and a plan that actually matches what’s going on.

Not Sure If It’s Really Sciatica?

If pain is travelling into your buttock or leg and you’re not sure what’s causing it, don’t keep guessing.

At Fighting Fit Physiotherapy, we’ll assess your back, nerves and movement, explain what’s happening in plain language, and build a rehab plan around your goals.

👉 Book in with the Fighting Fit team and let’s work out what’s actually causing your leg pain.

Karolina Bejmert

Karolina is Polish-Canadian who moved to Australia in 2022 to live her dream and study physiotherapy.

She graduated from Bond University in June 2024.

Before that she studied at Queen’s University where she got her bachelor oof science specializing in Kinesiology.

With almost 5 years of experience working as a sports trainer in various sports and the Royal Military College of Canada.

Karolina enjoys the simple pleasures in life – reading, painting, hiking and travel. She is a player of many sports (but a master of none according toher) including American football, volleyball and rowing.

Karolina is overjoyed to be starting her career at Fighting Fit and we are excited for what the future has in store!

Brenda Samosa

2 years ago

I had a really bad shoulder and had been seeing a different physio for 3 months (from a different place) I got told Tyson was good. After just a few sessions the movement was coming back. I’m 66 and was worried I would have to stop surfing. But with a lot of help from Tyson I’m back in the waves ( thank you so so much)

Cyana Ferguson

Steve Harris

Great team, all friendly, super helpful and first class clinical advice and a big shout out to my Physio Noah with my shoulder issue

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Shout out to Max from fighting fit physio. He helped me out massively straight after shoulder surgery and back into work and sports in no time. Couldn’t recommend anyone better!

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Five star service from Max & the team!
Professional & very thorough, you know that patient outcomes are of the highest priority.
I highly recommend this business.

Riley Wilson

Be AWARE they’ll immediately try to commit you to multiple follow up sessions after your initial consultation. This happened to me and then I later found out that as it just so happens, they have a cancellation policy that says you have to pay 100% of the consultation fee for cancelling. They failed to tell me this when they were pushy in committing me to 6 sessions after my consult, so that was a really nice little surprise.

I was already uncomfortable with how pushy they were in having me commit to so many sessions, so when I heard about the policy I just cancelled all together. So, I can’t speak further to the quality of their service throughout therapy phase. FYI this was also a few months ago now, it’s possible (though unlikely) they may have changed the policy. Just ask the question.

Megan Shelley

Fighting Fit Physiotherapy is hands down the best physio I've encountered. Having tried multiple physios for various injuries, I always find myself coming back to them. Their expertise consistently exceeds expectations, helping me get back to my sport faster than I thought possible. Their personalized approach and attention to detail make all the difference. I could not recommend a better or more exceptional physio team!

Gina Matthews

3 years ago

Can't recommend this place high enough. I was in so much pain with my knee an had been for months through advise an exercises I'm now looking forward to returning to gym an back riding my horses in endurance thank you so much

Courtney Halse

4 years ago

Kyle was knowledgeable, personable and professional. He saw me through my second pregnancy and continued to work with me until 6 months post partum on issues with my back. Would recommend anyone to go and see him.

Also shout out to Georgia on the front desk. She makes you feel welcome and brings a sense of warmth to the place!

Alli Davenport

After hip replacement surgery in February I wanted toget back into weight training legs, I started with Mitch 18 weeks ago and after a lot of hard work and sweat I am able to safely train again, I cannot thank Mitch enough for his support,encouragement and knowledge. The staff are friendly and helpful and I always looked forward to my session's

Robert Parkinson

This is the second time I have been treated by the team at FFP.
As a health professional myself I have been impressed with the level of care I have received from all members of the team.
The personalised treatment and rehabilitation programs have produced excellent results and I have completed both programs pain free and feeling stronger than before my injuries.
During the program there was constant communication and follow up and they were very accommodating with my work schedule.
All in all it was a very holistic experience and I would highly recommend the service.

Kiri Canavan

Tyson was amazing! We came up with an 8 week plan at my first consultation with weekly check ins and updates to exercises. 8 weeks later, I am pain free and able to train harder than ever. Highly recommend and the staff are all fantastic and super accomodating!

Does Every Disc Bulge Cause Sciatica?

Pain shooting down your leg? Don’t assume the scan has all the answers.

What Is a Disc Bulge?

A disc bulge does not automatically mean something is badly damaged.

What Is True Sciatica?

What Isn’t Sciatica?

Can a Disc Bulge Cause Sciatica?

The MRI Doesn’t Tell the Whole Story

Can You Have Sciatica Without a Disc Bulge?

Signs Your Symptoms May Be Disc-Related

Do You Need an MRI?

Can Physiotherapy Help Sciatica?

When Should You Seek Urgent Medical Attention?

The Bottom Line

Not Sure If It’s Really Sciatica?

Help! I Have Sciatica — Or Do I?

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Common Squat Mistakes That Worsen Lower Back Pain — And How to Build a Stronger, More Comfortable Squat

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