If you have already spent several weeks or months doing physiotherapy for knee pain but are still struggling with stairs, walking, squatting, exercise or daily activities, it is reasonable to ask:

Why am I not getting better?

Physiotherapy is an important treatment for many knee conditions.

But when symptoms are not improving as expected, the answer is not always simply:

“Do more exercises.”

Sometimes the rehabilitation programme needs to be adjusted.

Sometimes the original diagnosis needs to be reconsidered.

And sometimes additional investigation can provide useful information about what is actually happening inside the knee.

The most sensible next step is usually reassessment rather than automatically continuing exactly the same treatment indefinitely.

How Long Should Physiotherapy Take to Improve Knee Pain?

There is no single answer.

Recovery depends on factors such as:

• The underlying diagnosis
• How long you have had the problem
• Severity
• Age
• Activity level
• Strength
• Previous injury
• Treatment frequency
• Exercise programme
• How consistently the programme is followed
• Whether the knee is repeatedly being overloaded

Some knee problems improve relatively quickly.

Others can take several months.

The important question is not simply how many weeks have passed.

It is:

Is there a meaningful trend toward improvement?

For example:

• Is walking easier?
• Can you climb stairs with less pain?
• Is strength improving?
• Can you tolerate more activity?
• Is pain becoming less frequent?
• Are you recovering faster after activity?

If there has been no meaningful improvement at all, it may be time to reassess.

Does Physiotherapy Sometimes Make Knee Pain Worse Before It Gets Better?

Some temporary discomfort during rehabilitation can occur.

When tissues are gradually exposed to more load, mild short-term soreness may not necessarily mean something is wrong.

But there is an important difference between:

temporary exercise-related discomfort

and:

progressively worsening knee pain

Reassessment is sensible if:

• Pain is getting steadily worse
• Your walking is deteriorating
• You are losing movement
• New swelling develops
• The knee starts locking
• The knee begins giving way
• Previously tolerable exercises become increasingly painful

The programme may need to be changed.

Why Might Physiotherapy Not Be Working?

There are several possible reasons.

1. The Diagnosis May Need to Be Reconsidered

Knee pain can come from many different structures.

Examples include:

• Patellofemoral joint
• Meniscus
• Cartilage
• Ligaments
• Tendons
• Osteoarthritis
• Referred pain from elsewhere

Two patients with “knee pain” may therefore require completely different approaches.

If treatment is based on an incorrect or incomplete diagnosis, progress may be limited.

2. The Exercise Programme May Be Too Difficult

If the knee is repeatedly overloaded, symptoms may stay irritated.

For example, someone with painful stairs may be prescribed:

• Deep squats
• Lunges
• Step-ups
• Heavy leg press

These may eventually be useful exercises.

But if the knee cannot currently tolerate them, beginning too aggressively can worsen symptoms.

The programme may need to start at a lower load.

3. The Programme May Be Too Easy

The opposite can also happen.

If rehabilitation never progresses beyond very light exercises, the knee may not develop enough capacity for:

• Stairs
• Running
• Sport
• Long walks
• Work demands

Good rehabilitation usually requires appropriate progression over time.

4. The Wrong Structure May Be Being Treated

Pain location can sometimes be misleading.

For example:

• Pain at the front of the knee may be patellofemoral
• Inner knee pain may involve the meniscus or joint surfaces
• Posterior knee pain may come from several different structures
• Leg symptoms can occasionally be referred from elsewhere

If the clinical picture changes, the diagnosis should be reconsidered.

5. There May Be a Structural Problem Worth Investigating

Some knee problems can be assessed clinically without imaging.

But persistent symptoms may sometimes justify further investigation.

MRI can provide detailed information about:

• Meniscus
• Cartilage
• Ligaments
• Tendons
• Muscles
• Bone marrow
• Other internal structures

RadiologyInfo notes that knee MRI is commonly used to evaluate knee pain as well as damage involving cartilage, meniscus, ligaments and tendons.

6. The Knee May Be Improving, but Not Fast Enough for Your Expectations

This is also possible.

Some conditions require gradual rehabilitation.

The key is whether function is improving over time rather than whether all pain has completely disappeared.

If you are:

• Walking farther
• Using stairs more easily
• Increasing exercise tolerance
• Regaining strength

then the rehabilitation may still be working even if some discomfort remains.

When Should I Ask for a Second Assessment?

Consider reassessment when:

• You have had a reasonable period of treatment with little or no improvement
• Symptoms are getting worse
• Your diagnosis remains unclear
• The knee is locking
• The knee repeatedly gives way
• Swelling keeps returning
• You cannot fully bend or straighten the knee
• Pain is affecting sleep or normal walking
• You are being asked to simply repeat the same programme despite no progress

Reassessment does not necessarily mean abandoning physiotherapy.

It may mean making physiotherapy more targeted.

What if My Physiotherapist Says I Just Need to Continue Longer?

Sometimes that may be correct.

Many musculoskeletal problems need time.

However, a reasonable treatment plan should still have a way to assess progress.

Useful questions include:

• What diagnosis are we treating?
• What improvement should we expect?
• What objective changes are we seeing?
• What should be happening by now?
• At what point should the diagnosis be reconsidered?
• When would imaging become useful?

“Keep going indefinitely” is less helpful than having clear milestones.

Should I Try Harder if Exercises Hurt?

Not necessarily.

More pain does not automatically mean more benefit.

The correct amount of exercise should challenge the knee without repeatedly overwhelming it.

A rehabilitation programme can often be modified by changing:

• Resistance
• Repetitions
• Range of motion
• Exercise selection
• Frequency
• Recovery time

If a particular movement consistently causes significant worsening, there may be better ways to build strength first.

What if Knee Pain Is Worse After Every Physiotherapy Session?

Temporary soreness may occur.

But if every session results in:

• Major pain flare
• Reduced walking
• Increased swelling
• Loss of movement
• Symptoms lasting several days

the programme may need to be reconsidered.

Rehabilitation should generally improve the knee’s overall capacity over time rather than produce repeated significant setbacks.

Should I Get an X-Ray?

An X-ray may be useful when a doctor wants to assess:

• Osteoarthritis
• Bone alignment
• Fracture
• Certain bone abnormalities

X-rays show bones well but provide relatively little information about muscles, tendons and some internal joint structures.

For adults with suspected osteoarthritis, an X-ray may sometimes provide sufficient information without MRI.

Should I Get an MRI if Physiotherapy Is Not Working?

Not automatically.

But persistent symptoms despite appropriate treatment can make MRI more useful.

MRI may be considered when:

• The diagnosis remains uncertain
• A meniscus problem is suspected
• Cartilage injury is suspected
• The knee locks
• The knee gives way
• There was significant trauma
• A ligament injury is possible
• Previous imaging does not explain the symptoms
• The result could change treatment

Knee MRI provides detailed images of bones, cartilage, tendons, ligaments, muscles and other structures and does not use ionising radiation.

What Can an MRI Find That an X-Ray May Miss?

X-rays are particularly good for:

• Bone
• Fractures
• Alignment
• Osteoarthritis

MRI can provide additional information about:

• Meniscus
• Ligaments
• Tendons
• Cartilage
• Bone marrow
• Muscles

RadiologyInfo notes that MRI can identify tendon, ligament, muscle, cartilage and bone abnormalities that may not be as visible on X-ray or CT.

What if My X-Ray Is Normal but Physiotherapy Is Not Helping?

A normal X-ray does not mean every possible cause of knee pain has been excluded.

Structures such as:

• Meniscus
• Ligaments
• Tendons
• Cartilage

are not shown in the same detail on conventional X-ray.

If pain persists, it may be reasonable to reassess:

• Whether the original diagnosis still fits
• Whether MRI may add useful information
• Whether another investigation is more appropriate
• Whether treatment needs to change

Knee Pain on Stairs Not Improving With Physiotherapy

This is a common scenario.

Pain during stairs may relate to:

• Patellofemoral pain
• Osteoarthritis
• Meniscus
• Cartilage
• Tendons
• Other knee structures

Patellofemoral pain commonly becomes worse during stair climbing, stair descent, squatting and prolonged sitting.

If the diagnosis is patellofemoral pain, physiotherapy and exercise are often useful.

But if several months of appropriate treatment have produced no improvement, reconsidering the diagnosis or rehabilitation strategy may be reasonable.

Knee Pain When Bending Not Improving With Physiotherapy

Pain when bending may involve:

• Patellofemoral joint
• Meniscus
• Cartilage
• Tendons
• Other internal structures

If bending also causes:

• Catching
• Locking
• Sharp joint-line pain

a meniscus problem may become more important to consider.

The NHS notes that meniscus tears can improve without surgery and that physiotherapy may be recommended, but persistent symptoms deserve medical review.

Inner Knee Pain Not Improving With Physiotherapy

Persistent inner-side knee pain may involve:

• Medial meniscus
• Osteoarthritis
• Medial collateral ligament
• Tendons
• Other structures

If symptoms remain unchanged despite appropriate rehabilitation, further assessment can help determine whether the diagnosis should be revised.

Knee Pain but No Swelling Not Improving With Physiotherapy

The absence of swelling does not mean that nothing is wrong.

Many knee problems produce pain without obvious swelling.

Persistent symptoms can still involve:

• Patellofemoral joint
• Meniscus
• Tendons
• Cartilage
• Other structures

The decision about imaging should be based on the whole clinical picture rather than whether swelling is visible.

Pain Behind the Knee Not Improving

Posterior knee pain can come from:

• Meniscus
• Tendons
• Muscles
• Joint structures
• Baker’s cyst
• Other soft tissues

Depending on the suspected diagnosis, ultrasound or MRI may be useful.

Does a Meniscus Tear Always Need Surgery?

No.

The NHS notes that meniscus tears can sometimes improve without surgery and that physiotherapy may be used to reduce pain and improve movement and strength. Surgery is generally considered in selected cases.

This is important because finding something on MRI does not automatically mean surgery is necessary.

If MRI Shows Something Abnormal, Does That Mean Physiotherapy Failed?

No.

Imaging may actually help make rehabilitation more specific.

For example, identifying:

• Meniscus injury
• Cartilage changes
• Ligament injury
• Tendon pathology

may help refine:

• Exercise selection
• Loading
• Activity modification
• Prognosis
• Whether another treatment should be considered

MRI should ideally improve decision-making rather than simply label the knee.

What if MRI Is Normal but My Knee Still Hurts?

A normal MRI does not mean the pain is imaginary.

Pain can occur without a major structural abnormality visible on imaging.

The next step may involve considering:

• Load tolerance
• Muscle function
• Movement patterns
• Referred pain
• Other causes

The whole clinical picture remains important.

Should I Change Physiotherapist?

Not necessarily.

Sometimes the issue is not the therapist but the diagnosis or treatment strategy.

Before changing providers, consider asking:

• What is the current diagnosis?
• Why do we think this is the cause?
• What measurable progress has occurred?
• What is the plan if improvement does not happen?
• Should imaging or medical reassessment be considered?

A collaborative reassessment may be enough.

Should I See a Doctor if Physiotherapy Is Not Working?

It can be reasonable.

A doctor can reassess:

• Diagnosis
• Neurological findings
• Need for imaging
• Medication
• Other treatment options
• Whether specialist referral is necessary

This does not mean that rehabilitation stops.

Medical assessment and physiotherapy can complement each other.

How Much Does a Knee MRI Cost in Singapore?

For many patients arranging a knee MRI through The Pain Relief Clinic, the current price is approximately:

S$1,000

This generally includes:

• MRI scan
• MRI images
• Formal radiologist’s report

Eligible outpatient scans may qualify for up to S$600 per patient per year from MediSave, subject to prevailing rules and remaining limits.

How Quickly Can I Get a Knee MRI?

When MRI is medically appropriate, The Pain Relief Clinic can often arrange imaging:

Within one working day

subject to:

• MRI safety screening
• Correct imaging protocol
• Appointment availability

Does Knee MRI Use Radiation?

No.

MRI uses a strong magnetic field and radiofrequency energy rather than ionising radiation.

When Should I Seek Urgent Medical Attention?

Do not simply wait for another routine physiotherapy appointment if:

• You cannot bear weight after significant injury
• The knee is severely swollen or deformed
• You suddenly cannot bend or straighten it
• The knee becomes hot and swollen and you feel unwell
• Numbness or loss of sensation develops
• Severe symptoms follow major trauma

The NHS advises urgent assessment for severe knee pain after injury, inability to walk or bear weight, a hot swollen knee, or inability to bend or straighten the leg.

Frequently Asked Questions About Knee Pain Not Improving After Physiotherapy

How long should I try physiotherapy before reassessing?

There is no fixed period. The important issue is whether there is a meaningful trend toward improved pain, strength and function. Little or no progress over a reasonable treatment period may justify reassessment.

Does failed physiotherapy mean I need surgery?

No. There are many reasons rehabilitation may not be working, including the diagnosis, exercise selection, loading and other structural problems.

Should I get an MRI if physiotherapy has not helped?

Not automatically. MRI may become more useful when the diagnosis remains uncertain, mechanical symptoms are present, or imaging could change management.

What can knee MRI show?

Knee MRI can provide detailed information about cartilage, meniscus, ligaments, tendons, muscles, bone and other joint structures.

Can my X-ray be normal but MRI show something?

Yes. MRI can demonstrate several soft-tissue abnormalities that are not visible in the same detail on ordinary X-rays.

Does a meniscus tear always require surgery?

No. Some meniscus tears improve with conservative treatment, including physiotherapy.

Should I keep doing exercises that make the knee worse?

Persistent significant worsening should prompt reassessment of the programme rather than simply increasing the load.

How much does a knee MRI cost in Singapore?

A knee MRI arranged through The Pain Relief Clinic is currently approximately S$1,000, including images and a formal radiologist’s report.

Knee Pain Still Not Improving Despite Physiotherapy?

If you have already invested weeks or months in physiotherapy and your knee is still limiting stairs, walking, work, sleep or exercise, another assessment may help determine why progress has stalled.

At The Pain Relief Clinic, we can assess:

• Whether the original diagnosis still fits
• Whether the rehabilitation programme needs to change
• Whether an X-ray, MRI or another investigation may be useful
• Whether another non-surgical treatment approach is appropriate
• Whether specialist referral is necessary

Medical assessment and physiotherapy are available within the same practice, allowing the diagnosis, imaging findings and rehabilitation plan to be considered together.

When MRI is medically appropriate, imaging can often be arranged within one working day.

Knee pain assessment through The Pain Relief Clinic

• Medical assessment by a licensed medical doctor
• In-house physiotherapy
• Fast access to imaging when appropriate
• MRI often available within one working day
• Approximately S$1,000 for many knee MRI examinations
• Up to S$600 MediSave for eligible outpatient scans
• Formal radiologist’s report
• Non-surgical treatment options where appropriate

Arrange a Knee Pain Reassessment

The Pain Relief Clinic

Call / WhatsApp: +65 9068 9605

If your knee pain has not improved despite physiotherapy, contact us for a reassessment of whether the diagnosis, investigation or treatment plan should be reconsidered.

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References

1. RadiologyInfo.org, American College of Radiology and Radiological Society of North America — MRI of the Knee, reviewed 15 June 2026.
2. RadiologyInfo.org — Musculoskeletal MRI, reviewed 15 June 2026.
3. RadiologyInfo.org — Bone X-Ray.
4. Mayo Clinic — Patellofemoral Pain Syndrome: Symptoms and Causes.
5. NHS — Meniscus Tear.

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Important Medical Information

This article provides general information and does not replace an individual medical consultation.

Lack of improvement with physiotherapy does not necessarily mean the treatment was inappropriate or that MRI, injections or surgery are required. The appropriate next step depends on the suspected diagnosis, examination findings, severity, duration, treatment history and functional limitations.

MRI is not required for every case of persistent knee pain.

Seek urgent medical attention after significant trauma, if you cannot bear weight, if the knee is severely swollen or deformed, if you suddenly cannot bend or straighten it, if it becomes hot and swollen with systemic illness, or if other symptoms suggest a medical emergency.

Reviewed by Dr Terence Tan, Founder of The Pain Relief Clinic — 18 September 2026