Modern medical literature consistently shows three key realities:

• Muscle cramps and strains are the most frequent causes, affecting a large proportion of adults during life.
• Neuropathic causes such as lumbar radiculopathy, peripheral neuropathy, and restless legs syndrome are very common in clinics.
• Deep vein thrombosis (DVT) is less common overall but medically critical to exclude when suspected.

Because of this, doctors approach calf pain using a simple three-system model:

Muscle → Nerve → Blood vessel

Understanding which system is involved is the first step toward correct treatment.

1. Nocturnal calf cramps and muscle overactivity

This is one of the most common causes of calf pain.

What it feels like: sudden, painful tightening of thecalf (often at night), lasting seconds–minutes, sometimes leaving soreness.

Why it matters: very common and usually benign, but frequent nocturnal cramps degrade sleep and quality of life.Population studies report high lifetime prevalence (roughly one-third to over half of adults), with increasing frequency in older age.

Why cramps happen

• Dehydration or electrolyte imbalance
• Pregnancy
• Medication effects (for example diuretics)
• Underlying metabolic or neurological contributors in persistent cases

Usual management: stretching routines, hydration review, correction of abnormal electrolytes,and review of medications.When cramps are frequent, severe, or resistant, a pain physician evaluates for other causes such as nerve hyperexcitability, nerve compression in the spine (lumbar radiculopathy) , metabolic causes such as diabetes or vitamin deficiency

Targeted treatment may include:

• Nerve pain medications
• Muscle relaxant strategies when appropriate
• Treatment of the underlying trigger

2. Calf muscle strain, soleus overload, and partial tears

What it feels like: acute sharp pain on push-off or explosive movement (athletes), local tenderness, possible bruising or loss of power. Soleus strains can present more insidiously and with pain during knee-bent activity.

Sports-medicine literature describes this as a frequent athletic injury requiring structured rehabilitation rather than simple rest.Many patients keep stretching the superficial gastrocnemius, while the real problem is the deeper soleus muscle, producing persistent deep calf ache.

Pain-clinic treatment options

• Ultrasound confirmation of tear severity
• Guided rehabilitation planning
• Platelet-rich plasma (PRP) injections in selected non-healing tears- Evidence remains mixed, so careful case selection is essential.
• Biomechanical correction to prevent recurrence

This is an area where specialised intervention can significantly shorten recovery time.

3. Achilles tendinopathy / rupture

What it feels like: distal posterior calf/heel painespecially after activity. A complete rupture is often described as a “snap” with immediate weakness.

Pain-specialist role

• High-resolution ultrasound diagnosis
• Image-guided regenerative or anti-inflammatory injections when conservative therapy fails
• Coordination with advanced physiotherapy protocols

Modern physiotherapy research strongly supports structured loading programmes as first-line treatment for tendinopathy whereas a rupture requires urgent surgical referral, not pain treatment.

4. Deep vein thrombosis (DVT)

What it feels like: one sided (unilateral) calf swelling, warmth, tenderness, sometimes redness. Risk factors include recent surgery, prolonged immobilisation, active cancer, pregnancy and oral contraceptives.Modern diagnostic pathways show that only a minority (10-25%) of suspected cases are confirmed, but missing one can be dangerous.

Pain-clinic  can help with recognition and referral is important.Even though treatment is vascular. Avoid massage of the affected leg. .

5. Peripheral arterial disease (intermittent claudication)

What it feels like: reproducible calf pain brought on by walking and relieved by rest. Intermittent claudication is a vascular problem, not a problem of the calf muscle per se, and needs a vascular pathway.Associated cardiovascular risk factors (smoking, diabetes, hyperlipidaemia) increase probability

Pain-clinic can help by

• Early clinical suspicion
• Referral for ankle–brachial index testing and vascular care

Correct identification prevents serious cardiovascular complications.

6. Lumbar radiculopathy (sciatica presenting as calf pain)

What it feels like: radiating leg pain often with back pain, paresthesia, numbness or weakness; may be exacerbated by coughing/sneezing or straight-leg raise.Many patients are surprised to learn that

the calf may not be the real problem.Compression of spinal nerve roots can produce radiating calf pain, tingling, numbness, or weakness.

How pain specialists treat this

• Targeted epidural steroid injections
• Selective nerve-root blocks
• Advanced non-surgical pain management pathways

These treatments are supported by modern spine-care guidelines and can avoid unnecessary surgery in selected patients.

7. Peripheral neuropathy (diabetes, vitamin deficiency, metabolic causes)

What it feels like: burning, tingling or numbness, often in both legs (bilateral) and worse at night; pain may involve the calves as part of a stocking-glove distribution.Diabetic neuropathy remains the most common global neuropathic pain disorder.

Pain-clinic treatment advances

• Evidence-based neuropathic pain medications
• Intravenous infusion therapies for refractory neuropathic pain
• Peripheral nerve neuromodulation techniques in selected severe cases

These options are usually unavailable in routine primary care, making specialist input crucial.

8. Restless legs syndrome (often mistaken for cramps)

What it feels like: an irresistible urge to move the legs, usually in the evening/nighttemporarily relieved by movement. Global prevalence estimates are around 5–10% of adults.Distinguishing it from cramps or neuropathy is essential to avoid unnecessary interventions

Pain clinics evaluate for any iron/B12 deficiency, Medication-related of any other triggers

Treatment includes:

• Evidence-based neurological medications
• Sleep and metabolic optimisation

Correct diagnosis dramatically improves sleep and quality of life.

9. Focal nerve entrapments, Baker’s cyst and compartment syndrome

This final category includes several commonly missed causes:

Local nerve entrapments including Tibial nerve (soleal sling), Sural nerve irritation and Peroneal nerve compression can cause produce burning or deep focal calf pain and often respond to:

Ultrasound-guided diagnostic blocks, hydrodissection procedures and targeted rehabilitation

A Baker’s cyst behind the knee can leak fluid into the calf and mimic a clot. And in athletes, tight muscle compartments can trap pressure — pain builds with running and disappears with rest. but if pain is out of proportion with a tense calf, that’s needs urgent medical review.

10. Footwear & Load-Related Soleus Overload

Sudden change to low heel-drop or unstable shoes increases calf load.This leads to soleus overworks and deep calf tightness as a result. This Heal drop effect is increasingly common in runners.

Management:  requires load modification,footwear transition planning and targeted soleus rehab.
Biomechanical correction and rehab usually resolve symptoms.

When should you see a pain specialist for calf pain?

Seek specialist evaluation if you have:

• Persistent or recurrent calf pain
• Burning, tingling, or nerve-type symptoms
• Pain not improving with stretching or rest
• Repeated athletic injuries
• Unclear diagnosis despite treatment

Pain clinics focus on precise diagnosis and targeted treatment, not just temporary relief.

The key message

Most calf pain is treatable.Some calf pain is dangerous.The difference lies in correct diagnosis.A structured evaluation using the muscle–nerve–vessel framework allows safe, effective, and often non-surgical treatment.

Need help with calf pain? International Pain Centre +91-9993336525

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References

1. Blyton F, Chuter V, Burns J. Muscle cramps. StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; updated 2023.

2. Grandner MA, Winkelman JW. Nocturnal leg cramps: prevalence and associations in a community population. Sleep Med. 2017;32:1-7.

3. Meek WM, Garvey KD. Calf strain in athletes. JBJS Rev. 2022;10(3):e21.00166.

4. Kearon C, de Wit K, Parpia S, et al. Diagnosis of venous thromboembolism with D-dimer–adjusted clinical probability. Ann Intern Med. 2019;171(11):766-774.

5. Aboyans V, Ricco JB, Bartelink MEL, et al. 2017 ESC guidelines on the diagnosis and treatment of peripheral arterial diseases. Eur Heart J. 2018;39(9):763-816.

6. Oliveira CB, Maher CG, Pinto RZ, et al. Clinical practice guidelines for low back pain and sciatica: systematic review. Lancet Rheumatol. 2020;2(7):e415-e429.

7. Pop-Busui R, Boulton AJM, Feldman EL, et al. Diabetic neuropathy: a position statement by the American Diabetes Association. Diabetes Care. 2017;40(1):136-154.

8. Wittens C, Davies AH, Bækgaard N, et al. Management of chronic venous disease: clinical practice guidelines of the European Society for Vascular Surgery. Eur J VascEndovasc Surg. 2015;49(6):678-737.

9. Tagliafico A, Perez MM, Martinoli C. Nerve entrapment syndromes of the lower limb: imaging features and clinical relevance. Br J Radiol. 2020;93(1115):20190857.

10. Hollander K, Heidt C, Van der Zwaard BC, et al. The effects of footwear heel-to-toe drop on running biomechanics and lower-limb loading. Appl Sci (Basel). 2021;11(24):12144.

The post Calf Pain: 10 Causes Seen in a Pain Clinic — And How a Pain Specialist Can Help appeared first on Dr Amod Blog.

Temporomandibular Joint (TMJ) pain is a common yet often misunderstood condition that can significantly affect one’s quality of life. It can cause jaw discomfort, headaches, facial pain, and difficulty eating or speaking. At International Pain Centre, we aim to raise awareness about TMJ pain and provide comprehensive solutions tailored to each individual’s needs.

In this blog, we’ll explore what TMJ pain is, what causes it, common symptoms, how it is diagnosed, and the range of treatment options available.

What Is TMJ Pain?

The temporomandibular joints (TMJs) are the two joints that connect your lower jaw (mandible) to your skull. These joints are located just in front of your ears and help you chew, speak, yawn, and perform various jaw movements.

When these joints or the surrounding muscles become dysfunctional, it can lead to a condition known as Temporomandibular Disorder (TMD) – commonly referred to as TMJ pain.

Common Symptoms of TMJ Disorders

Symptoms can vary from person to person and may affect one or both sides of the face. Common complaints include:

• Jaw pain or tenderness
• Clicking, popping, or grinding sounds in the jaw
• Difficulty opening or closing the mouth
• Locking of the jaw
• Headaches or migraines
• Ear pain or pain around the ears with ringing sounds or fullness sensation in ears
• Facial pain or pressure
• Neck and shoulder stiffness or discomfort
• Eye or dental pain

These symptoms may worsen with jaw movements such as chewing, talking, or stress.

What Causes TMJ Pain?

TMJ disorders are often multifactorial, meaning several contributing factors may be at play:

• Bruxism (Teeth Grinding or Clenching) –Unconscious clenching or grinding, especially during sleep, puts excessive pressure on the jaw muscles and joints.
• Jaw Injury or Trauma –Accidents, dental procedures, intubation during a general anaesthetic or even excessive yawning can strain or injure the TMJ.
• Arthritis- Both osteoarthritis and inflammatory arthritis (like rheumatoid arthritis) can affect the TMJ.
• Stress and Emotional Tension – Stress often leads to muscle tightening and jaw clenching, which can exacerbate TMJ issues.
• Poor Posture- Prolonged poor neck or jaw posture, while working or sleeping, can strain jaw muscles.
• Structural Abnormalitiessuch asmisalignment of the jaw or teeth, or displacement of the disc within the joint.
• Associated Conditions- People with fibromyalgia, irritable bowel syndrome (IBS), or chronic headaches often experience TMJ symptoms.

How Is TMJ Pain Diagnosed?

Diagnosis is primarily clinical, based on a thorough history and physical examination by a pain specialist. Key aspects include:

• Palpation of the jaw and facial muscles to identify tender points
• Assessment of jaw movement, joint sounds (clicking, popping) and tenderness
• Evaluation of posture and bite alignment

In some cases, imaging may be recommended including:

• MRI – to assess disc position and joint inflammation
• CBCT or CT scan – to evaluate bone structure and joint alignment
• Ultrasound – for dynamic assessment of joint and soft tissues
• Scintigraphy – in suspected inflammatory cases

Treatment Options for TMJ Pain

At International Pain Centre, we follow a stepwise, evidence-based approach tailored to each patient’s needs.

1. Self-Care and Lifestyle Changes

• Avoid hard or chewy foods
• Use warm or cold compresses
• Practice good posture
• Manage stress with relaxation techniques

2. Medications

• Nonsteroidal anti-inflammatory drugs (NSAIDs)
• Muscle relaxants
• Low-dose antidepressants (especially for chronic pain)

3. Mouthguards / Occlusal Splints

Custom-fitted appliances that reduce teeth grinding and jaw pressure during sleep.

4. Physiotherapy

Jaw exercises, massage, and posture correction by a trained therapist can significantly improve symptoms.

5. Minimally Invasive Injections

These are offered when conservative treatments do not provide sufficient relief. These may not only provide relief but also help identify the precise pain source and may include:

Steroid Injections – reduce joint inflammation and in many cases are the fastest route to manage these persistent problems followed by supportive therapies inclusive of physical therapy.However, the effectiveness of these injections can vary from person to person. These injections can be helpful in

• Confirming diagnosis
• Reducing inflammation and Pain
• Quick recovery, and rapid relief from chronic jaw pain, headaches, and discomfort.

Botulinum Toxin (Botox) – relax overactive jaw muscles

Platelet-Rich Plasma (PRP) – promotes healing in chronic joint or muscle inflammation

Trigger point injections– Trigger points are painful “knots” in muscles that can be sensitive to touch / pressure. These can form after acute trauma or by repetitive micro-trauma, leading to muscle fibersstress and causing them to be stuck in a state of sustained contraction. Quite often these knots when you rub your muscles. A trigger point injection is used to relax the muscle tension.

Nerve Blocks e.g. auriculotemporal nerve. These blocks can be performed by trained specialists using ultrasound guidance.

All injections are best performed using image-guidance (ultrasound or fluoroscopy) to ensure accuracy and safety.

6. Surgery

Reserved only for very severe, resistant cases with structural damage. Most people do not require surgery.

Tips to Prevent and Manage TMJ Pain

• Avoid excessive jaw movements like chewing gum or wide yawns
• Use ergonomic pillows and avoid sleeping on your stomach
• Perform regular jaw relaxation and stretching exercises
• Identify and address stress triggers
• Seek specialist opinion

Final Thoughts

TMJ pain can be debilitating, but with a correct diagnosis and personalised treatment plan, relief is absolutely possible. At International Pain Centre, we specialise in managing TMJ disorders using a combination of modern diagnostics and minimally invasive techniques.

If you’re struggling with persistent jaw pain of any of the above symptoms, don’t ignore it. Reach out to us for a consultation and let us help you get back to a pain-free life.

Book an appointment at International Pain Centre today.
www.internationalpaincentre.com
Delhi, India

The post Understanding TMJ Pain – Causes and Solutions appeared first on Dr Amod Blog.

Medical advancement has transitioned cancer from being a rapidly fatal disease to a chronic disease. Cancer pain, however, still remains a major problem affecting 30–40% at the time of diagnosis, and 75% of those with advanced cancer. Although it may not always be possible to relieve the cancer-related pain completely but fortunately it can be effectively managed in most individuals with appropriate therapy. Effective pain control has been shown to improve the quality of life in all stages of the disease. Breakthrough pain is one pain which troubles even those cancer patients whose pain is otherwise well controlled. Its management requires careful evaluation by specialists with attention to detail. In the subsequent section we discuss more about the breakthrough pain and commonly asked questions.

What is breakthrough pain?

Breakthrough cancer pain (BTcP) is a transient exacerbation of pain superimposed on the background of controlled persistent pain. In simple words it refers to the sudden, relatively short lasting severe pain episodes one experiences from time to time, often catching one unprepared, despite having background pain well controlled.

Here are a few characteristics of breakthrough pain

• Pain is of moderate to severe intensity (between 4-10/10, average score 7/10)
• Onset is rapid (between 3 to 5 minutes) or in some cases more gradual reaching peak intensity within a few minutes. In about two thirds of the patients time to maximum pain intensity is less than 10 minutes
• Duration of an untreated episode can be between 1 min and 4 h (average 30 min)
• Multiple, predictable (in one third of patients) or unpredictable episodes throughout the day

Effective pain management requires assessment of responsible factors and having a management plan rather than trying to reach out for emergency services during unsocial hours in a panic mode. 

How common is breakthrough pain and what causes this pain?

BTcP is a common problem with studies reporting the incidence as approx. 50% to 75%. This is despite using strong painkillers to control the baseline pain. Patients with the severe persisting pain, advanced cancer disease, and aggressive anticancer treatments are more likely to experience breakthrough pain. 

BTcP may result from the cancer itself (70–80% of cases) or the anticancer treatment (10–20% of cases) and is seen more commonly is association with certain cancers like head and neck cancer (70%), gastrointestinal (59%), lung (55%) and breast cancer (52%). Common examples of BTcP include mouth pain on swallowing due to inflammation of mouth lining (mucositis) or bone pain due to movement. 

BTcP can originate from numerous sources (somatic, visceral, or neuropathic) and the cause may be different from the sources of persisting background pain. It may be associated with 

• Voluntary movements like sitting, standing
• Involuntary movements like intestinal distension or
• May occur spontaneously

This distinction is relevant as it may encourage more targeted treatment approaches. Up to half of the patients may experience two or more types of BTcP. Sometimes the term episodic pain is used synonymously with breakthrough pain although some researchers ascribe a different meaning to this term.

Another type of BTcP which one commonly encounters is the increased pain that can occur when the effect of painkillers is wearing off, just before the next dose is due. This is addressed as the “end of dose failure.” Some studies include this as a type of breakthrough pain whereas others do not.

Why do we need to treat breakthrough pain?

Breakthrough cancer pain is a common problem and can be associated with a variety of physical, psychological and social complications. Persisting pain often robs the sufferers of their independence and their ability to perform routine tasks, adversely affecting the quality of life. Besides causing suffering, the severity and unpredictability of breakthrough pain can adversely impact one’s confidence level, emotional health and social interactions. Moreover, it is associated with increased utilisation of healthcare and social care services with obvious financial implications.

How do we address this type of pain?

All cancer pain patients should be specifically assessed for the presence of BTcP. A standard pain management & palliative care practice is to prescribe medications for the constant background pain and a separate on-demand dose of pain relieving measures for breakthrough pain. In BTcP there is no one treatment which works universally and the treatment needs to be individualised. 

Selecting the right option requires a fair amount of expertise and familiarity with all the available options. There are a number of factors which need to be taken in to account when deciding on the treatment and these include

• Underlying cause of pain
• Type of pain (nerve pain, nociceptive, mixed)
• Pain characteristics (onset, duration, severity)
• Predictable or unpredictable
• Previous response to pain relieving medications including opioids (efficacy, tolerability)
• Background analgesic medications (may need to be adjusted) and drug interactions
• Patient-related factors including age, other organ function, stage of the cancer and individual preferences
• Cost, availability and safety aspects

Opioids (morphine like drugs) are considered as the preferred medications for treating BTcP. The profile of the drug selected to treat the BTcP needs to mirror the pain profile one is experiencing. For example, in cases of sudden onset short-lasting pain episodes, drugs like oral morphine may prove to be ineffective as they take 30 to 45 minutes to work. In such a situation rapidly acting drugs are more likely to be useful. A mismatch between pain profile and drug selected is likely to produce poor relief and/or more side effects 

The route of drug administration is important as it controls how quickly the pain relieving effects are apparent. Drugs given directly into the veins have a rapid effect although it requires an intravenous cannula to be present. Alternative routes such as through the nose or by intraoral route (sucking on tablets) of the rightly chosen drugs work within 5 -15 min. The dose of ‘rescue medication’ is determined by individual titration to ensure maximum relief with minimal side effects and may be subject to change over time.

A predictable episode of BTcP triggered by known factors for example, eating can be managed by a planned administration of medicine prior to the activity taking into account the time taken for the medication to work. Some patients choose to restrict activity to reduce the number of  BTcP episodes.

Once the trial medication has been started, dose titration and regular reassessments are essential. All patients with new BTcP medications should be reevaluated within 48–72 h. Patient education regarding the correct and appropriate use of medications is essential as research evidence demonstrates incorrect usage, misuse / abuse and underuse in a significant proportion. 

Other non-opioid drugs are also useful in the management of BTcP. Examples include anti-inflammatories, benzodiazepines, paracetamol etc. Preventing and treating BTcP is not just about medications as interventional techniques and non-pharmacological methods are other options which can be helpful.

The post Struggling With Severe Cancer Pain In The Middle Of Night? appeared first on Dr Amod Blog.

Greeter trochanteric pain syndrome (GTPS) or trochanteric bursitis is a common reason for pain at the side of hip especially in females between the age of 40-60 years. It affects approximately 1.8 per 1000 patients annually and is a result of degenerative changes affecting the tendons of the buttock muscles and bursa.

The side of the hip has a large bony bump called the greater trochanter. A thick band of tissue (called iliotibial band or ITB) and number of tendon pass over this bony bump. Also present in this region are numerous bursae which are fluid filled sacs to prevent friction between these structures as we move our leg. There could be as many as 20 bursae in this region of which 3 are consistently present in most individuals. GTPS diagnosis includes a range of conditions with similar symptoms such as tears or degenerative change of the of gluteal muscles and inflammation of the bursae in this region.

What causes this condition and who all are at risk?

The likely cause of GTPS is repetitive friction and microtrauma between the bony bump on the outer side of hip (greater trochanter) and the band of tissue (ITB), muscles passing over it. Abnormal hip biomechanics are believed to contribute to this condition.

There are several factors that increase one’s chances ofdeveloping this condition. These include

• Age between the age of 40–60 years. It may also occur in extremely active younger patients who do regular exercises
• Gender – 4 times more common in women
• Being overweight
• Leg length discrepancies
• Fall/ injury
• Repetitive activity, mechanical overload, training errors or high-intensity training
• Sedentary lifestyle
• Gait changes& incorrect posture
• Post hip replacement surgery
• Other conditions such as rheumatoid arthritis&gout
• Hip arthritis or low back pain is seen in approximately two thirds of individuals with GTPS

What are the symptoms of trochanteric bursitis/ GTPS?

Common symptoms include

• Aching or burning pain on the side of the hip with increased pain on pressing the area. Pain can radiate towards the outer thigh up to the knee or buttock
• Pain is worse when lying on the affected site
• Pain worse with high impact physical activities, cycling, walking, climbing stairs, getting up from a low chair or getting out of a car
• As the problem progresses, it can produce a limp when walking
• Eventually, the pain may become constant and may also be present at rest

The condition can be differentiated from hip arthritis as the ability to put shoes and socks is not affectedcontrary to hip arthritis where such tasks become difficult to perform.

How is this condition diagnosed?

GTPS can be diagnosedclinically on the basis of symptoms and examination findings. Local tenderness is a common finding. Difficulty in standing on one leg (on the affected side) is commonly observed. Pain on trying to rotate the hip outwards against resistance is also a common finding.

Other tests such asultrasound scan or MRImay also be requested forfurther evaluation.

• Ultrasound scans – these may demonstrate thickening ,calcification or tears of the tendons, fluid-filled and thickened bursa
• MRI is very effective to recognize partial and full thickness tears, calcification and muscle atrophy . It may demonstrate oedema which is one of the earliest signs of tendon problems. 

What are the pain relief options in GTPS?

Over 90% of cases of GTPS resolve with conservative measures. Main goals of treatment include managing load, reducing compressive forces across greater trochanter and strengthening gluteal muscles. Non-surgical treatment options for this condition include

• Relative rest& activity modification – This is especially useful in younger patients as in this age group GTPS is mostly because of overuse. Activities that worsen symptoms such as sleeping on the affected side should be avoided. Using a pillow between legs when sleeping in helpful
• During initial stages ice compression(wrapped in a towel) for 10-15 minutes several times a day can help
• Supportive devices such as crutches or a cane in opposite hand can help
• Nonsteroidal anti-inflammatory drugs (NSAIDs)
• Physical therapy including stretching and strengthening exercises, shock wave therapy (SWT) is sometimes used in the treatment
• Losing weight can help in those who are overweight

INJECTIONS

• Ultrasound guided local corticosteroid injection is commonly used in the management of this condition.  This can be easily performed as an OPD procedure and can provide permanent or lasting relief. These injections should be viewed as an opportunity to engage with an effective rehabilitation/ physical therapy programme. Some individuals may require a repeat injection.
• Regenerative therapy such as PRP may be considered in specific circumstances especially prior to consideration of surgical intervention, although studies supporting their use are limited.
• Surgery in considered in specific situations where the above measures fail to provide relief. Options include simple longitudinal release or lengthening of the overlying band of tissue(ITB), excision of bursa, open or arthroscopic gluteus medius tendon repair and reattachment.

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Iliotibial band (ITB) is a thickened band of tissue that runs along the outer side of thigh from the pelvis to the shinbone (just below the knee joint). It helps to transmit forces from the hip to the knee and acts a stabiliser of the outer side of knee, playing an important role in postural control.

With bending and straightening of the knee this band moves over the lower outer end of thigh bone and sometimes repeated motion can cause the ITB to irritate the surrounding tissues. This is addressed as iliotibial band syndrome (ITBS) or IT syndrome. It manifests as pain along the outer side of knee after repetitive motion. Although anyone can develop this condition, it occurs more frequently in athletes and those participating in activities involving frequent knee bending and straightening.

Key points about iliotibial band syndrome

• Iliotibial band syndrome causes pain on the outer side of the knee
• This condition can affect anyone, although is more common in athletes especially runners
• Most people recover with rest, simple painkillers and physical therapy
• Early ultrasound guided injections can be helpful in reliving symptoms and promoting early return to routine activities
• Identifying of the underlying cause is important for preventing reoccurrences

What are the symptoms of ITBS?

Common presenting features include:

• Sharp, stinging, aching or needle-like pain on the outer side of the knee
• This occurs at the same distance, late in or sometimes even after completing a sporting activity. As the condition progresses pain begins earlier in the course of the activity or can even affect the ability to walk or sit with knees bent. 
• Pain tends to be worse every time the heel strikes the ground. Activities such as running downhill, cycling or stairs can make it worse
• Snapping or popping sound from the knee, sometimes associated with swelling
• Pain may radiate upward towards the outer side of the thigh /hip or downwards towards the leg

ITBS is uncommon in the inactive population. It is seen more frequently in

• Long distance runners- incidence ranges from 1.6% – 12%
• Cyclists – accounting for 15–24% of overuse injuries in cyclists
• Athletes participating in hiking, hockey, basketball, tennis, weightlifting, soccer, jumping activities, rowing and skiing
• Military recruits – incidence between 1% to 5.3%
• Those who squat repeatedly

What causes ITBS?

The exact cause of iliotibial band syndrome is not clear and there may be multiple factors contributing to its development. Most popular belief is that this is an overuse injury resulting from friction from the movement of the iliotibial band over the lower outer edge of the thigh bone, as during repeated bending and straightening of the leg. Most contact between the ITB and lower end of thigh bone occurs when the knee is bent (flexed) at 30 degrees, which is the angle at which the foot strikes the ground and hence the maximal pain at this time. Other theories attribute the condition to the abnormal compression of the tissues beneath ITB or to the inflammation in the small fluid-filled sac (bursa) bone and tendons in the area.

A combination of issues may contribute to its development including

• Poor training factors like running on uneven of hilly terrain, abrupt changes in training intensity, running with worn out shoes
• Poor strength and flexibility of muscles such as having weak hip muscles, tight IT band. The hip muscles play an important role in the gait and their weakness places increased strain on ITB
• Other mechanical imbalances such as unequal leg length, arthritis of the inner side of knee or bowed legs. Imbalances may also involve low back and pelvis (abnormal pelvis tilt). These situations can cause the iliotibial band to become excessively tight thus enhancing friction.

ITBS occurs more commonly in association with certain other conditions such as outer hip pain (greater trochanteric pain syndrome/ trochanteric bursitis) and pain along the kneecap (patellofemoral syndrome).

How is this condition diagnosed?

Iliotibial band syndrome can be diagnosed on the basis of history and examination findings. There is often history of recent change in level of activities with the typical symptoms as explained previously. Tenderness on the outer side of knee just above the joint and other special clinical tests can help in the diagnosis. Investigations such as the MRI or ultrasound scans can help confirm the diagnosis and rule out other conditions with similar presentation.

Ultrasound scan has the advantage of being a rapid, low cost, widely available, in clinic investigation which can demonstrate swelling, fluid collection, bursitis and thickening of the ITB. It has the advantage of being able to compare with the other side and carrying out a dynamic assessment (assessment with leg movement). MRI may show thickening, tearing of ITB or swelling above / below the ITB.

What are the treatment options for ITBS?

Optimal management of these patients requires a multidisciplinary team approach with the pain specialists and physiotherapists playing the key role.

Acute phase treatment

During this phase the aim is to relieve pain and limit the inflammatory response. This requires activity limitation or modification and refraining from provoking activities such as running. General principles of management during this phase are

• Refrain from the inciting activity for up to 6 weeks or until the pain has resolved. Activities such as yoga, swimming, walking which do not provoke pain can be continued.
• Rest, ice, compression and elevation (RICE)
• Simple painkillers and anti-inflammatory medications
• Ultrasound guided Injections
• Physiotherapy

Ultrasound guided steroid Injections

Local injections are considered in severe cases where physical therapy and oral medications fail to provide adequate relief. Local injection can help in confirming the diagnosis, providing prolonged pain relief and facilitating early return to routine physical activities, especially when used early in the disease. Ultrasound guidance throughout the procedure is valuable in improving accuracy and reducing complications. Any fluid collection, if present, can be removed at the same time. Post injection activities can be increased in a graded fashion once the patient has been pain free for two weeks.

Subacute phase- Gradual Stretching

Once inflammation is under control exercises focussing on stretching and improving flexibility can be started. This lays the foundation for subsequent strength training. Any contributory factors such as footwear, posture, sports specific technique training etc should be addressed.

Restarting activities

Most patients are able to return to activity within 6 to 8 weeks. ITBS however can have a fluctuating course and may relapse during the treatment or return to activity phase. Stretching of the iliotibial band, gluteus muscles and strengthening of the low back, hips, knees, and leg muscles is frequently recommended as part of the treatment plan to prevent reoccurrences. Improving strength around the hip helps to reduce the forces on the IT band.

Identifying and addressing the underlying causes of the problem is important. It may involve analysis of gait, leg length, pelvic tilt, and that of muscle strength, balance and flexibility.

Surgical intervention is reserved for refractory cases not responding to the above-mentioned measures for more than 6 months. Options include ITB release, ITB lengthening, removal of bursa (ITB bursectomy), and arthroscopic ITB debridement.

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