Morton’s Neuroma Injection: Ultrasound-Guided Treatment for Forefoot Nerve Pain
Morton’s neuroma injection is an ultrasound-guided procedure used to diagnose or treat selected cases of forefoot nerve pain. Morton’s neuroma usually involves irritation or thickening around an interdigital nerve, most often between the third and fourth toes, although it can occur in other web spaces.
Patients often describe the pain as burning, sharp, tingling, numb, electric, or as if there is a pebble, wrinkle, sock fold, or small stone under the ball of the foot. Symptoms may radiate into the toes and often worsen with tight shoes, high heels, prolonged standing, walking, running, or forefoot pressure.
At SpinePain Solutions, Morton’s neuroma injection is not treated as a random foot shot. The goal is to decide whether the interdigital nerve is truly the pain generator and whether injection, shoe modification, therapy, ablation discussion, podiatry/orthopedic referral, or surgical evaluation makes sense.
When appropriate, we prefer ultrasound guidance. Ultrasound can help identify the neuroma, nearby metatarsal heads, soft tissue planes, bursitis, vessels, and needle position. It also helps guide medication around the painful interdigital nerve region rather than guessing in a crowded forefoot space.
Morton’s neuroma injection may be diagnostic, therapeutic, or both. If numbing the suspected nerve region improves the familiar forefoot pain, toe radiation, or pebble-in-shoe sensation, the response may help confirm the diagnosis. If inflammation or nerve irritation improves, relief may last longer than the numbing medicine itself.
Important: Forefoot Pain Is Not Always Morton’s Neuroma
Burning or sharp pain in the ball of the foot can come from Morton’s neuroma, metatarsalgia, capsulitis, plantar plate injury, stress fracture, arthritis, bursitis, tarsal tunnel syndrome, lumbar radiculopathy, peripheral neuropathy, or vascular disease.
A Morton’s neuroma injection is most useful when the pain pattern, exam, ultrasound findings, and response to prior care point toward an interdigital nerve problem.
Quick Answer: What Is Morton’s Neuroma Injection?
- It is an injection near an irritated interdigital nerve. Morton’s neuroma commonly affects the nerve between the third and fourth toes.
- It may help selected forefoot nerve pain. Symptoms often include burning, tingling, numbness, toe radiation, or a pebble-in-shoe feeling.
- It can be diagnostic. Relief after numbing the area may support that the interdigital nerve is the pain source.
- It can be therapeutic. Medication around the nerve may reduce pain and inflammation in selected patients.
- Ultrasound guidance improves precision. The forefoot is small, crowded, and full of structures that can mimic each other.
- It is not a cure for every forefoot pain problem. Stress fracture, plantar plate injury, arthritis, neuropathy, or spine-related pain may need different treatment.
- Surgery may be needed in persistent or advanced cases. Injection should not become endless repetition if the diagnosis is clear and symptoms remain disabling.
What Is Morton’s Neuroma?
Morton’s neuroma is a painful irritation and thickening involving an interdigital nerve in the forefoot. It most commonly affects the third intermetatarsal space, between the third and fourth toes, but it can also occur between the second and third toes or in other spaces.
Despite the name, Morton’s neuroma is not usually a true tumor. It is more like a thickened, irritated nerve region that becomes sensitive when compressed between the metatarsal heads and surrounding soft tissues.
Common symptoms include:
- Burning pain in the ball of the foot
- Sharp, electric, or shooting pain into the toes
- Numbness or tingling in the toes
- Pebble-in-shoe or sock-wrinkle sensation
- Pain worsened by tight shoes, narrow toe boxes, or high heels
- Pain worsened by walking, running, standing, or forefoot loading
- Relief when removing shoes or massaging the forefoot
- Clicking or catching sensation in some patients
The “Pebble” Is Often a Nerve Complaint
Patients rarely say, “My interdigital nerve is irritated.” They say, “It feels like I am stepping on a stone.” That description can be a useful clue.
Why Ultrasound Guidance Matters
The forefoot is a compact neighborhood. A small area may contain the interdigital nerve, metatarsal heads, joint capsule, plantar plate, bursa, tendons, vessels, and soft tissue that can all contribute to pain.
Ultrasound may help the physician:
- Identify a suspected Morton’s neuroma
- Measure the neuroma when visible
- Look for intermetatarsal bursitis or other soft tissue findings
- Identify nearby vessels and tissue planes
- Guide the needle toward the intended nerve region
- Watch medication spread around the target
- Reduce guesswork compared with landmark-only injection
- Improve confidence that the diagnostic response is meaningful
Ultrasound does not make the diagnosis by itself. The diagnosis still depends on the symptom pattern, examination, imaging when needed, and response to treatment.
Small Space, Big Need for Precision
In the forefoot, a few millimeters can matter. Ultrasound helps separate nerve pain from the crowd of joints, tendons, bursae, and bones around it.
What Happens During Morton’s Neuroma Injection?
Morton’s neuroma injection is usually performed as an outpatient procedure. The exact technique depends on symptoms, ultrasound findings, medication choice, prior treatment, and treatment goal.
Step 1: Evaluation and Target Selection
The physician reviews the pain location, toe radiation, shoe triggers, walking tolerance, forefoot exam, prior imaging, prior injections, and possible competing diagnoses such as stress fracture, arthritis, plantar plate injury, neuropathy, or spine-related pain.
Step 2: Ultrasound Mapping
Ultrasound is used to identify the suspected neuroma, metatarsal heads, soft tissue planes, nearby vessels, and safest needle path.
Step 3: Needle Placement
A small needle is guided toward the painful interdigital nerve region. The approach may vary based on anatomy and physician preference.
Step 4: Medication Injection
Medication is placed around the neuroma or interdigital nerve region. The injectate may include local anesthetic, corticosteroid, or another option depending on the treatment plan.
Step 5: Response and Follow-Up
The patient should track forefoot pain, toe numbness, burning, walking tolerance, shoe tolerance, and whether the pebble-in-shoe sensation improves.
Track Shoe and Walking Tolerance
After the injection, patients should notice whether walking, standing, narrow shoes, forefoot pressure, toe radiation, and the pebble sensation improve.
Treatment Options for Morton’s Neuroma
Morton’s neuroma treatment usually starts with conservative care. Injection may be considered when symptoms persist despite shoe changes, padding, activity modification, or other non-surgical treatment.
Shoe and Activity Changes
Many patients improve by reducing pressure on the forefoot. Wider toe-box shoes, lower heels, avoiding tight footwear, activity modification, and reducing repetitive forefoot loading may help.
Metatarsal Pads and Orthotics
Metatarsal pads or orthotics may reduce pressure between the metatarsal heads and unload the irritated nerve region. Proper pad placement matters. A misplaced pad can turn a helpful idea into a small foam villain.
Local Anesthetic Injection
Local anesthetic may temporarily numb the interdigital nerve region and provide diagnostic information. If the familiar pain improves, the response supports that the targeted nerve region is involved.
Corticosteroid Injection
Corticosteroid injection may reduce inflammation and pain in selected patients. Relief may be temporary or longer-lasting. Repeated steroid injections should be used cautiously because of possible soft tissue effects, skin changes, fat pad changes, or weakening of nearby tissues.
Alcohol Neurolysis
Alcohol neurolysis has been used in some practices to chemically reduce nerve pain from Morton’s neuroma. It may require a series of injections and may not be appropriate for every patient. It should be discussed carefully because results, discomfort, risks, concentration, technique, and availability vary.
Radiofrequency or Cryoablation
Radiofrequency ablation or cryoablation may be discussed in selected refractory cases, usually by clinicians with experience treating forefoot nerve pain. These are more advanced nerve-targeting procedures and should be considered only after the diagnosis is strong.
Surgery
Surgical options may include decompression, neurectomy, or other foot and ankle procedures depending on the case. Surgery may be considered when symptoms remain disabling despite conservative and injection-based care, or when imaging and examination strongly support a persistent neuroma.
Start With Pressure, Then Treat the Nerve
If tight shoes and forefoot compression keep irritating the nerve, an injection may calm the fire but not remove the matchbook.
When Morton’s Neuroma Injection May Help
Injection may be reasonable when the pain pattern suggests Morton’s neuroma and conservative care has not provided enough relief.
Patients Who May Be Better Candidates
- Patients with burning forefoot pain between the metatarsal heads
- Patients with toe numbness, tingling, or electric radiation
- Patients with pebble-in-shoe sensation
- Patients with pain worsened by narrow shoes, high heels, walking, or forefoot pressure
- Patients with exam findings that reproduce interdigital nerve pain
- Patients with ultrasound or MRI findings supporting Morton’s neuroma
- Patients who have tried footwear changes or padding without enough relief
- Patients who need diagnostic clarification before considering ablation or surgery
When Injection May Not Help
Morton’s neuroma injection may not help if the pain is coming from another structure or if the nerve problem is too advanced for injection to provide meaningful relief.
Injection May Be Less Useful When There Is:
- Stress fracture or bone injury
- Plantar plate tear or capsulitis
- Advanced arthritis of the metatarsophalangeal joint
- Diffuse peripheral neuropathy
- Lumbar radiculopathy or spine-related nerve pain
- Vascular insufficiency
- Severe deformity or persistent mechanical compression
- Prior failed surgery with complex scar or stump neuroma requiring surgical evaluation
- Widespread foot pain without a clear interdigital nerve target
Do Not Ignore Foot Pain Red Flags
- Severe pain after trauma or fall
- Inability to bear weight
- Marked swelling, redness, warmth, fever, or drainage
- Open wound, ulcer, or infection concern
- Sudden cold, blue, pale, or pulseless foot
- New progressive weakness or foot drop
- Diabetes with new wound, infection, or rapidly worsening foot pain
- History of cancer with new unexplained bone pain
Morton’s Neuroma vs. Other Forefoot Pain
Several conditions can mimic Morton’s neuroma. This is where the forefoot becomes a tiny courtroom and every structure pleads its case.
| Possible Diagnosis | Common Clues | Possible Next Step |
|---|---|---|
| Morton’s Neuroma | Burning forefoot pain, toe radiation, numbness, pebble-in-shoe sensation, worse in tight shoes | Ultrasound evaluation, shoe modification, metatarsal pad, diagnostic or therapeutic injection |
| Metatarsalgia | Diffuse ball-of-foot pain with pressure or overload | Footwear changes, orthotics, activity modification, foot evaluation |
| Plantar Plate Injury / Capsulitis | Pain near toe joint, swelling, toe drift, pain with toe movement | Foot imaging, taping, orthotics, podiatry or orthopedic evaluation |
| Stress Fracture | Focal bone pain, swelling, pain with weight-bearing, recent activity increase | X-ray, MRI when needed, protected weight-bearing, orthopedic or podiatry care |
| Peripheral Neuropathy | Burning, numbness, or tingling in both feet, stocking-like pattern | Medical evaluation, labs, EMG/NCS when appropriate, neuropathy treatment |
| Lumbar Radiculopathy | Back or leg symptoms with nerve root pattern, weakness, radiating pain | Lumbar spine evaluation, imaging, EMG/NCS, spine-directed care when appropriate |
What If the Injection Helps?
If Morton’s neuroma injection helps, the response may support that the interdigital nerve is a meaningful pain generator. The next step depends on how much relief occurred, how long it lasted, and whether shoe tolerance or walking improved.
Possible next steps may include:
- Continuing wider shoes and forefoot pressure reduction
- Metatarsal pads or orthotics
- Activity modification while symptoms calm down
- Repeat injection in selected cases when the first response was meaningful
- Discussion of alcohol neurolysis, radiofrequency, cryoablation, or other options when appropriate
- Foot and ankle, podiatry, or orthopedic referral if symptoms recur or remain disabling
- Surgery discussion if symptoms persist despite appropriate non-surgical care
Relief Gives Direction
A helpful injection can confirm the nerve map. The next step should protect the forefoot, not send the nerve back into the same pressure trap.
What If the Injection Does Not Help?
If the injection does not help, the information can still be valuable. It may mean the neuroma is not the main pain source, the target was not correct, the diagnosis is incomplete, or another condition is driving the forefoot pain.
When injection does not help, the plan may shift toward:
- Rechecking the diagnosis and pain location
- Repeating or reviewing ultrasound findings
- Considering MRI if stress fracture, plantar plate injury, mass, or joint pathology is suspected
- Evaluating for peripheral neuropathy or lumbar radiculopathy
- Considering podiatry or foot and ankle orthopedic evaluation
- Considering a different web space or different nerve target if symptoms suggest it
- Avoiding repeated injections without diagnostic clarity
A Negative Injection Is Still Information
If a carefully targeted injection does not improve the familiar forefoot pain, the diagnosis should be reconsidered before repeating the same treatment.
Risks and Side Effects
Morton’s neuroma injection is generally a low-risk outpatient procedure when performed carefully, but it is still a medical procedure near nerves, blood vessels, joints, tendons, and soft tissue.
Possible Risks and Side Effects Include:
- Temporary soreness at the injection site
- Bruising or bleeding
- Temporary numbness or tingling in the toes
- Temporary increase in forefoot pain
- Infection, uncommon but possible
- Nerve irritation or nerve injury, uncommon but important
- Allergic reaction to medication, uncommon but possible
- Vascular puncture or hematoma
- Skin color change or fat pad atrophy if steroid is used
- Soft tissue weakening with repeated steroid exposure
- Blood sugar elevation in some diabetic patients if steroid is used
- Persistent numbness or altered toe sensation
- Failure to improve
Risks may differ if alcohol neurolysis, radiofrequency, cryoablation, PRP, or surgery is considered. Patients should understand which treatment is being performed and why.
Recovery After Morton’s Neuroma Injection
Most patients go home the same day. Some notice temporary numbness or relief if local anesthetic is used. Others may feel soreness or mild flare for a short period.
General Recovery Tips
- Track pain relief during the first few hours after the injection.
- Notice whether toe radiation, burning, numbness, or pebble sensation improves.
- Avoid tight shoes or high heels after the procedure.
- Use wider shoes, padding, or orthotics as instructed.
- Avoid aggressive forefoot loading immediately after the procedure.
- Do not overuse the foot just because pain is temporarily reduced.
- Call the office if symptoms are severe, worsening, or unusual.
If the injection is diagnostic, the early response is especially important. Patients should write down how much relief occurred, how long it lasted, and whether walking or shoe tolerance improved.
Cost, Insurance, and Coverage
Insurance coverage for Morton’s neuroma injection depends on the diagnosis, payer policy, documentation, medical necessity, ultrasound guidance, medication used, and whether prior authorization is required.
Some procedures may be covered when medically necessary. PRP, certain ablation procedures, or other advanced options may not be covered and may be self-pay depending on the payer and treatment plan.
Patients should ask:
- Is Morton’s neuroma injection covered by my insurance?
- Is ultrasound guidance covered?
- Is prior authorization required?
- Which web space is being treated?
- What medication will be injected?
- Is this diagnostic, therapeutic, or both?
- Are we using steroid, anesthetic, alcohol, PRP, or another treatment?
- What are my out-of-pocket costs?
- What happens if the injection helps?
- What happens if it does not help?
- When should I consider podiatry, foot and ankle orthopedics, or surgery?
For treatments that are not covered or are self-pay, our office can discuss payment options. For eligible patients, CareCredit financing may be available depending on approval and available terms.
Questions to Ask Before Morton’s Neuroma Injection
Before injection, patients should understand whether the goal is diagnostic confirmation, symptom relief, or avoiding surgery when safe.
Helpful Questions Include:
- Do my symptoms fit Morton’s neuroma?
- Which web space is suspected?
- Could this be stress fracture, plantar plate injury, arthritis, neuropathy, or spine-related pain?
- Will ultrasound guidance be used?
- Can the neuroma or painful tissue plane be seen on ultrasound?
- What medication or fluid will be injected?
- Are we using steroid, anesthetic, alcohol, PRP, or another option?
- How much relief would count as a positive response?
- How long should relief last?
- What shoes or orthotics should I use after treatment?
- What are the risks for my specific situation?
- What are the next steps if the injection helps?
- What are the next steps if it does not help?
The Best Question Before the Injection
Ask: “Are we treating a confirmed interdigital nerve problem, or are we still sorting out forefoot pain?” That answer prevents the wrong structure from getting the right-looking treatment.
Related Nerve Pain Care Pages
Morton’s neuroma injection is part of a broader nerve pain care map. Patients with overlapping foot, ankle, heel, leg, or nerve symptoms may also benefit from related topics.
- Nerve Pain Care
- Heel Nerve Block
- Nerve Hydrodissection
- Sciatic Nerve Block
- Lumbar Sympathetic Block
- Peripheral Nerve Stimulation
Frequently Asked Questions About Morton’s Neuroma Injection
What is Morton’s neuroma injection?
Morton’s neuroma injection is an injection placed near an irritated interdigital nerve in the forefoot. It may be used to diagnose or treat selected patients with burning forefoot pain, toe numbness, tingling, or pebble-in-shoe sensation.
What is Morton’s neuroma?
Morton’s neuroma is irritation and thickening around an interdigital nerve, most commonly between the third and fourth toes. It can cause burning, sharp pain, numbness, tingling, or toe radiation.
What does Morton’s neuroma feel like?
Patients often describe burning pain in the ball of the foot, numbness or tingling into the toes, electric pain, or the sensation of stepping on a pebble, sock fold, or small stone.
Is ultrasound guidance used?
Ultrasound guidance may be used to identify the neuroma, surrounding tissue, nearby vessels, and needle position. It can improve precision compared with landmark-only injection.
Does injection cure Morton’s neuroma?
Not always. Some patients improve significantly, some have temporary relief, and others may need repeat treatment, ablation discussion, podiatry or orthopedic referral, or surgery.
What medication is injected?
The injectate may include local anesthetic, corticosteroid, or another option depending on the diagnosis and treatment plan. Alcohol neurolysis, PRP, radiofrequency, or cryoablation may be discussed selectively depending on the case and availability.
Is steroid injection safe for Morton’s neuroma?
Steroid injection may help selected patients, but repeated steroid exposure should be used cautiously because of possible skin, soft tissue, or fat pad effects. The decision should be individualized.
What is alcohol neurolysis for Morton’s neuroma?
Alcohol neurolysis uses alcohol solution to chemically treat the painful nerve region. It may require a series of treatments and should be discussed carefully because technique, results, discomfort, and risks vary.
Can radiofrequency or cryoablation help Morton’s neuroma?
Radiofrequency or cryoablation may be considered in selected refractory cases when the diagnosis is strong. These options should be performed by clinicians familiar with ultrasound-guided forefoot nerve procedures.
When should surgery be considered?
Surgery may be considered when symptoms remain disabling despite appropriate conservative care and injection-based treatment, or when imaging and examination strongly support a persistent Morton’s neuroma.
Can Morton’s neuroma come back after treatment?
Symptoms can recur after injection or other treatment, especially if forefoot compression, narrow shoes, mechanical overload, or nerve irritation continues.
What if the injection does not help?
If injection does not help, the diagnosis should be reconsidered. Other causes may include stress fracture, plantar plate injury, capsulitis, arthritis, peripheral neuropathy, vascular disease, or lumbar radiculopathy.
Is the procedure painful?
Most patients feel a brief pinch, pressure, or soreness. Some may feel temporary toe numbness, tingling, or increased forefoot sensitivity after the injection.
What are the risks?
Risks may include soreness, bruising, bleeding, infection, temporary numbness, pain flare, nerve irritation, allergic reaction, vascular puncture, skin color change, fat pad atrophy if steroid is used, blood sugar elevation if steroid is used, persistent altered sensation, and failure to improve.
How long does relief last?
Relief varies. Some patients improve for weeks or months. Others have short-term relief, no relief, or recurrent symptoms depending on the diagnosis, severity, footwear, and mechanical pressure.
Can the injection be repeated?
It may be repeated in selected cases when the first injection provides meaningful relief and the diagnosis supports repeating treatment. Repeated injections should have a clear purpose and should not continue indefinitely without reassessment.
Is Morton’s neuroma injection covered by insurance?
Coverage depends on the diagnosis, payer policy, medical necessity, documentation, ultrasound guidance, medication used, and whether prior authorization is required. PRP and some advanced options may not be covered.
Key Takeaways
- Morton’s neuroma is an irritated interdigital nerve, most commonly between the third and fourth toes.
- Symptoms often include burning forefoot pain, toe numbness, tingling, and pebble-in-shoe sensation.
- Not all forefoot pain is Morton’s neuroma. Stress fracture, plantar plate injury, arthritis, neuropathy, and spine-related pain can mimic it.
- Ultrasound guidance may improve precision by identifying the neuroma, surrounding structures, needle position, and medication spread.
- Injection may be diagnostic, therapeutic, or both.
- Shoe modification, wider toe-box shoes, metatarsal pads, and pressure reduction remain important.
- Corticosteroid injection may help selected patients, but repeated steroid use should be cautious.
- Alcohol neurolysis, radiofrequency, cryoablation, PRP, or surgery may be discussed selectively depending on the case.
- No relief after a targeted injection should prompt reassessment before repeating treatment.
- The goal is to identify the correct forefoot pain generator and choose the least invasive treatment that makes sense.
Burning Forefoot Pain or a Pebble-in-Shoe Feeling?
Morton’s neuroma can cause burning, tingling, numbness, and toe radiation, but other forefoot problems can feel similar. The diagnosis matters before treatment begins.
At SpinePain Solutions, we evaluate the pain pattern, exam findings, ultrasound findings, shoe triggers, walking tolerance, and prior treatments to decide whether Morton’s neuroma injection or another treatment pathway makes sense.
This article is intended for educational purposes only and should not replace individualized medical advice. Morton’s neuroma, forefoot pain, toe numbness, metatarsalgia, plantar plate injury, stress fracture, arthritis, neuropathy, vascular disease, and spine-related nerve pain can have multiple causes. New, severe, traumatic, infected, swollen, cold, blue, weak, numb, diabetic foot-related, vascular, or rapidly worsening symptoms should be evaluated promptly. Treatment decisions should be based on a complete history, physical examination, ultrasound or imaging findings when appropriate, diagnosis, risks, benefits, alternatives, and a discussion with your physician.



