Foot and Ankle Article 14 of 18: Ankle Sprain Still Hurts After Weeks or Months—What Could Have Been Missed?

Short answer: If foot or ankle pain has not improved after physiotherapy, it does not necessarily mean physiotherapy cannot help—or that surgery is the next step. The working diagnosis may need to be reconsidered, an associated bone, tendon, ligament, joint or nerve problem may need investigation, or the rehabilitation programme may not have matched the condition, dosage or patient’s goal. The next decision should be based on what was tried, how the symptoms responded, examination findings and what the patient needs to return to.

First decide what “physiotherapy did not work” means

Patients can use the phrase “physiotherapy failed” to describe very different situations:

• pain did not change at all;
• pain improved temporarily after each session but returned;
• walking improved, but running or work duties still cause pain;
• exercises repeatedly aggravated symptoms;
• the programme was difficult to follow because of time, fear, fatigue or cost;
• only passive modalities were provided, without graded loading;
• only generic exercises were given, without progression;
• treatment stopped before the tissue or function could reasonably recover;
• the patient reached a plateau after genuine early improvement;
• a new symptom such as swelling, snapping, locking, giving way or numbness appeared.

These patterns point to different next steps. A person who improved but cannot yet tolerate sport may need progression. Someone with unchanged focal bone pain may need diagnostic reassessment. A patient who only received passive symptom relief may not yet have tested an active rehabilitation programme. The useful question is not simply “Did physiotherapy work?” but “What changed, what did not, and why?”

When persistent foot or ankle pain needs urgent assessment

Seek urgent or prompt medical care if:

• you cannot bear weight, the foot or ankle is deformed, or swelling is rapidly increasing;
• the foot becomes cold, pale, blue, severely numb or suddenly weak;
• the area is hot, red and very painful, especially with fever, a wound or feeling unwell;
• one calf becomes unexpectedly swollen or painful, particularly with chest pain or breathlessness;
• the ankle locks, repeatedly catches or gives way after trauma;
• there is progressive weakness, foot drop or loss of bladder or bowel control with back and leg symptoms;
• a person with diabetes or reduced sensation develops unexplained warmth, swelling, colour change, blistering or a wound;
• pain is severe at night, rapidly worsening, or accompanied by unexplained weight loss or significant illness.

These features may require assessment for fracture, dislocation, infection, impaired circulation, nerve compromise, a blood clot or another condition. For a life-threatening emergency in Singapore, call SCDF 995.^[1]

Why might foot or ankle physiotherapy not have helped?

1. The diagnosis may be incomplete or incorrect

“Foot pain,” “ankle sprain” and “tendinitis” are broad labels. Similar symptoms can arise from different tissues, and more than one problem can coexist. Heel pain may involve plantar fascia, heel-pad, nerve or bone causes. Outer-ankle pain may arise from ligaments, peroneal tendons, cartilage, joints or fracture. Pain at the ball of the foot may reflect overload, a plantar-plate problem, a nerve-related condition, arthritis or stress injury.

Persistent ankle pain after an injury can be related to incomplete ligament healing, recurrent instability, tendon injury, arthritis, fracture, synovitis, scar tissue or nerve injury.^[2] Repeating treatment for the original label may fail if the current pain source is different.

2. A structural injury may need protection before loading

Progressive loading is useful for many tendon, ligament and rehabilitation problems. It is not appropriate to load every condition in the same way. A stress fracture, unstable ligament injury, displaced tendon, acute cartilage injury or non-healing fracture may require temporary protection, restricted weight bearing, a boot or surgical assessment.

Focal bone pain, increasing pain with impact, inability to progress walking or repeated swelling after a clear injury should not automatically be treated as ordinary stiffness or weakness.

3. The rehabilitation dose may have been too low

A few low-resistance exercises may improve basic control but may not prepare someone for eight hours of standing, repeated stair climbing, distance running or court sport. The tissues and nervous system must gradually experience loads resembling the patient’s real goal.

A programme may need progression in resistance, repetitions, speed, balance demand, impact, fatigue or task complexity. The correct endpoint is not merely completing a standard exercise sheet.

4. The dose may have been too high or progressed too quickly

Patients sometimes alternate between complete rest and abrupt return to full activity. Exercises may also be progressed because a calendar says so, despite persistent swelling or poor control. A useful programme considers the symptom response during activity, later that day and the following morning.

A flare does not always mean damage, but repeated substantial aggravation suggests that dosage, technique or diagnosis needs review.

5. Passive treatment provided relief but did not change capacity

Massage, manual therapy, heat, electrical modalities, shockwave therapy or taping may reduce symptoms or improve movement for selected conditions. However, a patient whose pain returns whenever walking or running resumes may still lack tissue capacity, strength, balance or movement tolerance.

Passive care can be a useful part of treatment, especially when pain limits participation. It should have a clear role and be linked to the function the patient wants to regain.

6. The programme did not fit the patient

Theoretically appropriate exercises can still fail when they do not fit a patient’s schedule, home environment, footwear, health, motivation or preferences. Someone working long shifts may need a short programme and workplace modifications. An older patient worried about falling may need supervised balance work. A runner may need a graded running plan rather than only clinic-based strengthening.

Non-adherence should not simply be blamed on the patient. The plan should be redesigned around realistic priorities and barriers.

7. The patient expected a faster result than the condition allows

Some injuries and tendon problems take longer to recover than a mild flare. Pain may improve before strength and load tolerance are restored. A clear timeline should explain what early progress looks like, when the programme should be reviewed and which findings would justify a different approach.

8. Footwear, work exposure or training load keeps recreating the problem

Long standing, sudden mileage increases, repeated hills, hard surfaces, unsuitable shoes or an abrupt change in footwear can repeatedly exceed capacity. Treatment may appear ineffective if the aggravating load remains unchanged. The answer is not necessarily permanent avoidance; temporary modification can create space for recovery and graded return.

9. Health factors are slowing recovery

Diabetes, inflammatory arthritis, gout, reduced circulation, neuropathy, smoking, sleep disruption and certain medicines can affect symptoms or healing. Widespread joint pain, prolonged morning stiffness, recurrent hot swelling or systemic symptoms may require broader medical assessment rather than more local treatment.

10. Persistent pain mechanisms may have developed

After months of pain, sensitivity can become disproportionate to current tissue loading. Fear, poor sleep and reduced activity may contribute to a cycle of pain and loss of confidence. This does not mean the symptoms are imaginary. Assessment should still exclude unstable or serious pathology. If these are not present, education, graded exposure and functional restoration may be more useful than repeated passive treatment or repeated scans.

What should be reviewed before choosing another treatment?

A useful second assessment should review both the original diagnosis and the treatment response:

• exact pain location and whether it has changed;
• whether onset followed trauma, gradual overload or no clear event;
• swelling, heat, bruising, locking, snapping or giving way;
• burning, tingling, numbness or weakness;
• morning pain, night pain and symptoms after activity;
• previous examinations, X-rays, ultrasound, MRI or CT;
• the exercises, frequency, resistance, duration and progression used;
• response to footwear, braces, medication, injections or passive modalities;
• medical conditions and medicines relevant to healing or treatment safety;
• the patient’s work, sport, deadline, treatment preferences and acceptable trade-offs.

Examination may assess walking and alignment; swelling and skin; precise bone, tendon, ligament and joint tenderness; movement of the ankle, hindfoot, midfoot and toes; tendon and calf strength; ligament stability; balance; sensation and circulation. Functional testing can be matched to the goal, from standing and stairs to heel raises, hopping, landing or direction changes when safe.

When may X-rays, ultrasound, CT or MRI help?

A scan should answer a defined question and be likely to change management. Imaging is not automatically required because one course of physiotherapy did not work. Equally, persistent unexplained symptoms should not be dismissed solely because an early X-ray was normal.

X-ray

X-rays may be considered for focal bone tenderness, trauma, inability to bear weight, suspected arthritis, deformity, alignment problems or persistent symptoms. Weight-bearing views can be important for selected joint or alignment questions. Different views are needed for the ankle and different regions of the foot.

Ultrasound

Ultrasound may help evaluate accessible tendons, plantar fascia and selected superficial soft tissues. It can show a tendon moving or snapping in real time and can guide selected procedures. Its value depends on the clinical question and operator experience.

CT

CT may provide detailed information about bone, joint surfaces, complex fractures, healing or impingement. It uses ionising radiation and does not replace MRI or ultrasound for every soft-tissue problem.

MRI

MRI may be considered for suspected occult or stress fracture, tendon or ligament injury, cartilage damage, plantar-plate injury, impingement, joint inflammation, a mass or persistent pain that remains unexplained. American College of Radiology guidance for chronic foot and ankle pain selects imaging according to the suspected source rather than treating MRI as a universal first test.^[3][4]

Imaging findings must be matched to symptoms and examination. An old ligament tear, tendon change or arthritis on a scan may not be the structure causing the present pain. A technically abnormal scan does not automatically require an injection or operation.

What are the next treatment options?

Revised diagnosis and targeted rehabilitation

Sometimes the best next treatment is still physiotherapy—but with a clearer diagnosis, different dosage and measurable progression. A revised programme may focus on movement, calf or foot strength, tendon capacity, balance, walking mechanics, impact tolerance or sport-specific control. It should also define when to progress, when to reduce load and when to return for medical reassessment.

Activity modification, footwear, brace or immobilisation

Temporary changes to standing, walking, running or work tasks may reduce repeated aggravation. Supportive footwear, an orthosis, tape or a brace can redistribute load or improve confidence for selected conditions. A boot or restricted weight bearing may be appropriate for some fractures or significant soft-tissue injuries, but unnecessary prolonged immobilisation can increase weakness and stiffness.

Medication

Simple analgesics, topical treatments or anti-inflammatory medicines may be considered when medically appropriate. Safety depends on health conditions, other medicines and duration. Medication can support sleep or activity during a flare but does not correct instability, heal every tendon or restore load capacity.

Manual therapy and physical modalities

Hands-on treatment, heat, selected electrical modalities or shockwave therapy may be considered for certain pain and movement problems. The evidence and suitability vary by diagnosis. Shockwave therapy, for example, is used for selected chronic tendon and plantar-fascia conditions but is not a general treatment for unexplained foot pain and should not be applied indiscriminately over a suspected fracture, acute tear or infection.

Image-guided or diagnostic injections

An injection may be considered for a specifically identified joint, bursa, tendon sheath, nerve-related or inflammatory pain source. In some situations, local anaesthetic response may help clarify which structure is painful. Corticosteroid, platelet-rich plasma and other injectates have different evidence, risks and intended uses.

An injection should not be offered simply because exercises were unsuccessful. Ask which structure is being targeted, why the injection is appropriate, what improvement is realistic, which risks apply and what rehabilitation remains necessary. Corticosteroid near certain tendons can carry tissue risks.

Specialist or surgical opinion

Referral may be appropriate for a displaced or non-healing fracture, recurrent mechanical instability, significant tendon tear or dislocation, symptomatic cartilage lesion or loose body, progressive deformity, nerve compression, or persistent structural impingement after appropriate non-surgical care.

Surgery is not the automatic consequence of a failed physiotherapy course. The procedure should match a diagnosis that explains the symptoms, and the likely benefit, risks, recovery and postoperative rehabilitation should fit the patient’s priorities.

Broader medical assessment

Blood tests or referral may be considered when inflammatory arthritis, gout, infection, metabolic bone disease, neuropathy or another systemic condition is suspected. Tests should be guided by history and examination rather than ordered as an indiscriminate screening panel.

Which approach fits the patient’s situation?

“I did the exercises faithfully, but there was no improvement”

This warrants review of the diagnosis, technique, dosage and expected timeline. Focal bone pain, persistent swelling, snapping, locking, giving way or neurological symptoms may change the investigation pathway. If the diagnosis remains sound, objective testing can identify whether resistance, balance or task progression was insufficient.

“Physiotherapy helps for one day, but the pain returns”

Temporary relief may indicate that symptom modulation is possible but the aggravating load or underlying capacity has not changed. The next plan may combine relief measures with footwear or workload changes and a gradual capacity-building programme. It should also reconsider whether the painful structure has been correctly identified.

“Exercises make my pain worse”

The programme may be too difficult, incorrectly performed or inappropriate for the diagnosis. The response during exercise and over the following 24 hours can guide modification. Significant or progressive pain, swelling, focal bone tenderness or loss of function should prompt reassessment rather than repeatedly pushing through.

“I do not want more exercise; I prefer a passive option”

Your preference is relevant. Bracing, footwear changes, medication or selected hands-on and procedural options may reduce symptoms. However, if weakness, balance or low load tolerance contributes, passive treatment alone may not restore walking, work or sport capacity. A shorter, highly targeted active programme can be negotiated around the minimum needed for your goal.

“I need to return to work within a week”

The priority is to establish what activities are safe and which temporary modifications could help. A brace, suitable footwear, shorter standing blocks or modified duties may be reasonable for some conditions. A suspected fracture, unstable injury or significant tendon problem may require protection despite the deadline. A fast assessment can clarify options but cannot guarantee recovery within a fixed number of days.

“I want a scan before trying anything else”

A scan can add useful structural detail when the clinical question is clear. The most appropriate test depends on whether bone, tendon movement, cartilage, ligament, nerve or another structure is suspected. If the result would not change the initial plan, immediate imaging may add cost without improving care.

“My scan was normal, but I still have pain”

A normal scan can be reassuring but does not measure every movement, load response or pain mechanism. The scan type and area examined also matter. Reassessment may focus on function, referred pain, nerve sensitivity, footwear and graded exposure while remaining alert to new warning features.

“I want an injection or surgery because physiotherapy failed”

Previous treatment failure can justify considering other options, but first clarify why it failed. A procedure is more defensible when a specific target matches the examination and imaging and when its role in the overall plan is clear. Pain relief without restoration of capacity may not meet a work or sport goal.

Questions to ask before starting another treatment

• What is the current working diagnosis, and what alternatives remain?
• Which finding from my history or examination supports that diagnosis?
• Would imaging change the treatment, and which test answers the question?
• Why might the previous programme have failed?
• What is the goal of the proposed treatment: pain relief, tissue protection, strength, diagnosis or return to function?
• What improvement should occur, and by when?
• What are the risks, costs and alternatives?
• What is the next step if this treatment does not help?

How should progress be measured?

Measurements should reflect the patient’s priorities and may include:

• walking or standing duration;
• pain and swelling after a standard amount of activity;
• morning-step or push-off pain;
• ankle and toe movement;
• calf, foot and tendon strength;
• balance and frequency of giving way;
• ability to climb stairs, drive or complete work tasks;
• running, hopping, landing or direction-change capacity when relevant;
• confidence and reduced reliance on braces or medication where appropriate.

A treatment plan should include a review point. If objective function improves even while some pain remains, continued progression may be reasonable. If pain, swelling and function do not change—or warning features appear—the working diagnosis and plan should be reconsidered.

Integrated doctor and physiotherapy management

The Pain Relief Clinic has in-house physiotherapists who can work with the licensed medical doctor for integrated management. This can help coordinate reassessment of the diagnosis, decisions about imaging or protection, symptom-control options, a revised rehabilitation programme and return-to-work or sport planning.

This arrangement may be useful when previous physiotherapy has not helped, because the doctor and physiotherapist can review the same functional goals and response to treatment rather than treating imaging, medication and rehabilitation as separate pathways. Physiotherapists practising in Singapore should be appropriately registered.^[5]

Insurance referrals and supporting paperwork

The clinic can assist with clinically appropriate referrals and supporting paperwork for insurance claims. Coverage, required documents, pre-authorisation and reimbursement depend on the patient’s policy and insurer. A referral, form or medical report does not guarantee approval or payment.

Before imaging, further physiotherapy or a procedure, patients may wish to confirm whether their insurer requires a doctor’s referral, panel provider, pre-authorisation, itemised invoice, imaging report or medical report.

Frequently asked questions

How many physiotherapy sessions should I try before deciding it has failed?

There is no universal number. It depends on the diagnosis, severity, duration, treatment dosage and goal. The programme should have an agreed review point with measurable indicators. Lack of any expected change or the development of new warning features justifies earlier reassessment.

Should I change physiotherapist?

A second opinion can be reasonable if the diagnosis and goals are unclear, the programme has not been progressed, or concerns are not being addressed. First ask for a review of the plan and expected milestones. Continuity is useful when the approach is responsive and measurable.

Does failed physiotherapy mean I need an MRI?

No. MRI may be useful when examination suggests a soft-tissue, cartilage or occult bone problem that would change care. X-ray, ultrasound or CT may answer other questions better. Some patients need a revised clinical plan rather than imaging.

Does failed physiotherapy mean I need surgery?

No. Failure may reflect diagnosis, dosage, progression or an unresolved loading factor. Surgery is considered for selected structural problems when the likely benefit and recovery fit the patient’s needs.

Can I have an injection instead of exercise?

An injection may reduce pain from a selected structure but cannot restore every deficit in strength, balance or load capacity. Its suitability depends on the diagnosis, target, evidence and risks. Some patients still require rehabilitation after an injection.

Can foot or ankle pain come from the back?

Yes. Nerve irritation or referred pain from the back or leg can sometimes cause pain, tingling, numbness or weakness in the foot or ankle. A neurological examination may be appropriate when the local foot findings do not explain the symptoms.

Arrange a reassessment for persistent foot or ankle pain in Singapore

If foot or ankle pain has not improved with previous physiotherapy, reassessment can review the diagnosis, prior programme, functional goals and whether a revised rehabilitation approach, imaging, protection, medication, injection or specialist referral may be appropriate.

The Pain Relief Clinic
350 Orchard Road, #10-00 Shaw House
Singapore 238868
Telephone: +65 9068 9605

Not every investigation or treatment discussed on this page is required, offered or recommended by the clinic. Availability and permissible use of tests, medicines, devices, injections and emerging treatments in Singapore may change with evolving Ministry of Health, Health Sciences Authority and Singapore Medical Council requirements. Individual decisions require clinical assessment and should follow current Singapore regulations and professional guidance.

References

1. Singapore Civil Defence Force. Emergency Medical Services.
2. American Orthopaedic Foot & Ankle Society. Chronic Lateral Ankle Pain.
3. American College of Radiology. ACR Appropriateness Criteria: Chronic Ankle Pain.
4. American College of Radiology. ACR Appropriateness Criteria: Chronic Foot Pain.
5. Allied Health Professions Council Singapore. Search the register.

Disclaimer: This information is provided for general reference only and should be used in consultation with your licensed medical doctor. It is not a diagnosis or a substitute for personalised medical advice. Seek urgent care for severe, rapidly worsening or warning-feature symptoms.

Reviewed by Dr Terence Tan — 13 September 2026