Medically reviewed by Dr Mathew Tung Yu Yee, Spinal Specialist Neurosurgeon
Key takeaways
- A slipped disc happens when the soft centre of a spinal disc pushes through its tougher outer ring and presses on a nearby nerve.
- “Slipped disc”, “herniated disc” and “prolapsed intervertebral disc” all describe the same condition.
- Most slipped discs settle with non-surgical treatment over a period of weeks, and surgery is usually considered only when that has not worked.
- Pain that travels down an arm or leg is often a clearer sign of a slipped disc than back or neck pain on its own.
- Loss of bladder or bowel control, numbness around the groin, or sudden weakness in both legs needs emergency assessment on the same day.
Table of Contents
- What is a slipped disc?
- Symptoms: how do I know if I have a slipped disc?
- What causes a slipped disc?
- How a slipped disc is diagnosed
- Non-surgical slipped disc treatment
- Surgical slipped disc treatment
- Recovery and returning to work
- Can a slipped disc heal on its own?
- Speak to a spine specialist
- Frequently Asked Questions About Slipped Disc Treatment
What is a slipped disc?
A slipped disc occurs when the soft, gel-like centre of an intervertebral disc pushes through a tear in its tough outer wall. The displaced material can press on a spinal nerve, which is what produces pain, numbness or weakness — often felt in the arm or leg rather than in the spine itself.
Between each of the bones in your spine sits a disc that works as a cushion and a spacer. Each disc has two parts: a firm outer ring called the annulus fibrosus, and a softer centre called the nucleus pulposus. When the outer ring weakens or tears, the inner material can bulge or escape through it.
The disc itself has very few pain fibres. This is why a slipped disc often causes surprisingly little pain at the site of the problem, and considerable pain somewhere else entirely — down the leg, or into the shoulder and arm.
Slipped disc, herniated disc, prolapsed intervertebral disc — is there a difference?
No. These terms describe the same condition, and you may hear any of them used.
- Slipped disc and slip disc are the everyday terms most patients in Singapore use.
- Herniated disc is the term most often used in medical literature.
- Prolapsed intervertebral disc (PID) is the formal clinical term and the one you are most likely to see on a referral letter or scan report.
- Bulging disc describes an earlier or milder stage, where the outer ring is stretched but has not torn.
The disc does not actually slip out of position, despite the name. It stays where it is; the material inside it moves.
Where slipped discs occur
Slipped discs happen most often in the lower back (lumbar spine), and less commonly in the neck (cervical spine). The thoracic spine, in the mid-back, is rarely affected because the rib cage limits how much it moves.
- A lumbar slipped disc typically causes lower back pain with pain travelling down the buttock and leg. When it presses on the sciatic nerve, this is sciatica.
- A cervical slipped disc typically causes neck pain with pain, pins and needles or weakness travelling into the shoulder, arm or hand. This is cervical radiculopathy.
Symptoms: how do I know if I have a slipped disc?
The most telling sign of a slipped disc is pain that radiates away from the spine into a limb, usually on one side, often with numbness, tingling or weakness in the same area. Pain confined to the back or neck alone is more commonly caused by muscle or joint problems.
Symptoms vary depending on which nerve is affected, but commonly include:
- Pain travelling into the buttock, thigh, calf or foot (lumbar), or into the shoulder, arm or hand (cervical)
- Numbness or a pins-and-needles sensation following the path of the nerve
- Weakness in specific muscles — for example, difficulty lifting the front of the foot, or a weaker grip
- Pain that worsens with coughing, sneezing or straining
- Pain that worsens with prolonged sitting, and often eases with walking or lying down
- Back or neck pain that may be mild, or absent altogether
Warning signs that need urgent assessment
Certain symptoms suggest significant compression of the nerves and should be treated as an emergency rather than something to monitor. Seek immediate medical attention if you experience:
- Loss of bladder or bowel control, or difficulty passing urine
- Numbness around the groin, buttocks or inner thighs — sometimes described as saddle numbness
- Weakness developing in both legs
- Rapidly worsening weakness in one limb
- In the neck: clumsiness of the hands, difficulty with buttons or handwriting, or unsteadiness when walking
The first three of these can indicate cauda equina syndrome, a rare but serious condition in which the bundle of nerves at the base of the spine is compressed. It requires assessment on the same day, as delayed treatment can result in permanent problems. The final point can indicate cervical myelopathy, which is compression of the spinal cord itself in the neck.
What causes a slipped disc?
Most slipped discs are the result of gradual wear rather than a single injury. Discs lose water content with age, which makes the outer ring less flexible and more prone to tearing, so a movement that would have been harmless years earlier can be enough to cause a herniation.
Contributing factors commonly include:
- Age. Slipped discs are most common in adults between their thirties and fifties.
- Repetitive loading. Work or activity involving frequent bending, twisting or lifting.
- Lifting technique. Lifting with a bent back and straight legs, or twisting while carrying a load.
- Prolonged sitting, particularly with poor back support or in a slouched position.
- Body weight, which increases the load carried through the lumbar discs.
- Smoking, which is thought to reduce the blood supply to the discs.
- Sudden injury, such as a fall or an accident — a less common cause than most people expect.
How a slipped disc is diagnosed
Diagnosis usually begins with a consultation and a physical examination, and in many cases that is enough to identify the problem. Imaging is used to confirm which disc is involved and how severely the nerve is affected, particularly when surgery is being considered.
Consultation and physical examination
Your specialist will ask where the pain travels, what makes it better or worse, and whether you have any numbness or weakness. The examination typically includes testing your reflexes, muscle strength and sensation, and specific movement tests that stretch the affected nerve to see whether they reproduce your symptoms.
When imaging is needed
MRI is the imaging of choice for a suspected slipped disc. It shows the discs, nerves and surrounding soft tissue clearly and involves no radiation. An MRI scan is generally recommended when symptoms have not improved with initial treatment, when there is nerve weakness, or when surgery is being planned.
X-rays do not show discs, but they can rule out other causes such as a fracture or instability, and are sometimes taken first.
CT scans may be used when an MRI is not possible.
One point worth understanding: disc changes are common on scans in people with no symptoms at all. A scan finding is only meaningful when it matches your symptoms and examination, which is why imaging is interpreted alongside the clinical picture rather than on its own.
Non-surgical slipped disc treatment
Most slipped discs improve without surgery. The herniated material tends to shrink and be reabsorbed by the body over a period of weeks to months, and treatment during that time focuses on controlling symptoms and keeping you moving while it happens.
Activity modification and staying active
Prolonged bed rest is no longer recommended and can slow recovery. The general approach is to stay as active as comfort allows, avoid the specific movements that aggravate your symptoms — usually heavy lifting, repeated bending and prolonged sitting — and return to normal activity progressively.
Physiotherapy
Physiotherapy is central to slipped disc treatment. A programme is usually tailored to your symptoms and typically includes exercises to reduce nerve irritation, strengthening for the muscles supporting the spine, and guidance on posture and lifting technique to reduce the risk of recurrence.
Medication
Medication is used to make movement and rehabilitation possible rather than as a treatment in itself. Options may include anti-inflammatory medication, simple pain relief, short-term muscle relaxants, or medication specifically for nerve-related pain. Your doctor will advise on what is appropriate for you and for how long.
Spinal injections
Where pain remains significant despite the measures above, a spinal injection can deliver anti-inflammatory medication close to the affected nerve. This can reduce inflammation enough to allow rehabilitation to progress, and is often used as a step between conservative care and surgery. Injections are usually performed under imaging guidance for accuracy.
Spinal decompression therapy
Non-surgical spinal decompression uses controlled traction to reduce pressure within the disc. It is used in selected cases and your specialist will advise whether it is appropriate for your particular problem.
Surgical slipped disc treatment
Surgery for a slipped disc is generally considered when symptoms have not improved after an adequate period of non-surgical treatment, or earlier if there is significant or progressive nerve weakness. It is aimed primarily at relieving the arm or leg pain caused by nerve compression.
Microdiscectomy
The most common procedure is a microdiscectomy, also described as microdecompression. Working through a small incision and using magnification, the surgeon removes the portion of disc material pressing on the nerve, leaving the rest of the disc in place.
We cover the procedure, preparation, recovery and risks in detail on our Spinal Decompression Surgery & Therapy page.
Other procedures
Depending on the level involved and whether there is associated narrowing or instability, other options may be discussed — including laminectomy to create more space around the nerve, disc replacement in the cervical spine, or fusion where instability is present. Your specialist will explain which applies to your situation and why.
When surgery is recommended
Surgery is more likely to be recommended when:
- Leg or arm pain has not settled after a reasonable period of non-surgical treatment
- There is muscle weakness that is worsening
- Pain is severe enough to prevent work, sleep or normal daily activity
- There are signs of cauda equina syndrome or spinal cord compression — in which case surgery is urgent
It is worth knowing that decompression surgery is generally more effective for the pain travelling down the limb than for back or neck pain itself. Your specialist will set out what the procedure is likely and unlikely to achieve for you.
Recovery and returning to work
Recovery depends on whether you are treated surgically or non-surgically, and on the physical demands of your job. Most people managed without surgery improve gradually over several weeks. After a microdiscectomy, many patients are walking the same day and return to desk-based work within a few weeks.
Physically demanding work involving lifting, or prolonged driving, generally requires a longer period before returning. Your specialist and physiotherapist will give you a timeline based on your recovery and your occupation.
Rehabilitation after treatment matters as much as the treatment itself. Continuing with a strengthening programme, and applying what you have learned about lifting and posture, is what reduces the chance of the problem returning.
Can a slipped disc heal on its own?
In many cases, yes. The body gradually reabsorbs herniated disc material, and symptoms often settle over a period of weeks to months without surgery. This is why non-surgical treatment is usually recommended first.
What does not fully reverse is the underlying wear in the disc. The symptoms can resolve while the disc itself remains degenerated, which is why maintaining strength and good movement habits is worthwhile even after you feel better.
Symptoms that are not improving, or nerve weakness that is getting worse, should not be left to run their course — these are the situations where earlier assessment changes the outcome.
Choosing a slipped disc doctor in Singapore
A slipped disc is usually managed by an orthopaedic spine surgeon or a neurosurgeon with a spinal sub-specialty. Both are qualified to treat it, and the more useful question is whether the doctor treats spinal conditions regularly and offers the full range of options rather than only surgical ones.
When choosing, it is reasonable to ask:
- Is spine care a regular part of their practice, or an occasional one?
- Will non-surgical options be tried first where appropriate?
- What specifically would surgery be expected to improve, and what would it not?
- What does recovery look like for someone doing your kind of work?
At Singapore Sports and Orthopaedic Clinic, spinal conditions are managed by Dr Mathew Tung Yu Yee, a Spinal Specialist Neurosurgeon whose practice includes spinal decompression, disc replacement and minimally invasive techniques, and Dr Lim Heng Hing, Senior Consultant Orthopaedic & Spine Surgeon, who has practised with a special interest in spinal surgery since 1996 and whose areas include slipped disc, spinal stenosis and interventional pain management.
You can read more about our spine specialists and how to choose between them.
Speak to a spine specialist
If you have back or neck pain travelling into a limb, or numbness and weakness that is not settling, an assessment will establish what is causing it and what can be done.
To book an appointment:
- Call or WhatsApp: +65 8805 4227
- Book an appointment online
Same-day appointments are available. X-ray and MRI can be arranged in advance of your consultation.
Frequently Asked Questions About Slipped Disc Treatment
