Morton’s Neuroma in Runners: Causes, Treatment, and Getting Back to Running

Related Conditions

Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.

Why Runners Develop Morton’s Neuroma

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Morton’s neuroma—an irritation and thickening of the common digital nerve in the forefoot, most often between the third and fourth metatarsals—is particularly common in runners. Running subjects the forefoot to repetitive high-impact loading with each footstrike, compressing the interdigital nerve against the deep transverse metatarsal ligament with every stride. The cumulative effect of thousands of footstrikes per run creates a mechanically unfavorable environment for the nerve, especially in runners with forefoot strike patterns, narrow toe box shoes, or training volume increases that outpace tissue adaptation.

Additional runner-specific risk factors include: tight, narrow running shoes that compress the metatarsal heads together; high heel drop shoes that shift loading to the forefoot; increasing weekly mileage too quickly; running on hard surfaces; and pes planus (flat foot) or pes cavus (high arch), both of which alter forefoot mechanics in ways that increase nerve compression. Women runners are affected more often than men, partly due to footwear differences.

Symptoms in Runners

Runners with Morton’s neuroma typically describe burning, tingling, or electric shock sensations in the third or fourth toe webspace during or after runs. Some describe the sensation of running on a pebble or a fold in the sock between the toes. Symptoms often begin after a certain mileage threshold—runners notice the pain starts at mile 3 or 4 and forces them to stop. Removing the shoe and massaging the foot provides temporary relief. As the condition progresses, symptoms may appear earlier in runs, during walking, or at rest. The Mulder’s click—a palpable and sometimes audible click when compressing the forefoot from side-to-side—is a classic diagnostic finding.

Treatment for Running Athletes

The first intervention is footwear modification—the most impactful conservative treatment for runners. Switch to a running shoe with a wider toe box and lower heel drop. The metatarsal heads should not feel compressed when the shoe is on. Brands with particularly roomy toe boxes include Altra, Topo Athletic, and Brooks wide-width options. A metatarsal pad placed just proximal to (behind) the metatarsal heads in the shoe spreads the metatarsals apart, reduces nerve compression, and can provide immediate symptomatic relief in many runners—this is inexpensive and often dramatically effective.

Reducing training volume during the acute phase allows inflammation to subside. Cross-training (swimming, cycling, pool running) maintains fitness while reducing forefoot impact. Custom orthotics with metatarsal pads and forefoot offloading provide superior long-term mechanical control compared to over-the-counter insoles and are appropriate when symptoms persist or recur. Corticosteroid injection directly into the affected interspace provides significant relief in 60–70% of cases and is appropriate after 4–6 weeks of conservative measures. Alcohol sclerosing injections (a series of dilute alcohol injections to shrink the nerve) are used at some specialty centers as an alternative to steroid injection, with variable evidence.

Surgical neurectomy (removing the affected segment of nerve) is reserved for runners who fail 6–12 months of comprehensive conservative treatment. It reliably eliminates neuroma pain in approximately 80–85% of cases and typically allows return to running at 6–12 weeks, though permanent numbness in the affected toe webspace is an expected outcome. Recurrence of the neuroma (stump neuroma) occurs in a minority of cases.

In-Office Treatment at Balance Foot & Ankle

If home care isn’t resolving your Morton’s neuroma, a visit with a board-certified podiatrist is the fastest path to accurate diagnosis and a personalized plan. At Balance Foot & Ankle Specialists, Dr. Tom Biernacki, Dr. Carl Jay, and Dr. Daria Gutkin offer same-day and next-day appointments at both our Howell and Bloomfield Hills offices. We perform on-site diagnostic ultrasound, digital X-ray, conservative care, advanced regenerative treatments, and minimally invasive surgery when indicated.

Call (810) 206-1402 or request an appointment online. Most insurance plans accepted, including Medicare, Blue Cross Blue Shield, Aetna, Cigna, and United Healthcare.

Frequently Asked Questions

Medical References & Sources

• American Orthopaedic Foot & Ankle Society — Morton’s Neuroma
• PubMed Research — Morton’s Neuroma in Athletes
• PubMed Research — Morton’s Neuroma Treatment Outcomes

Dr. Tom Biernacki, DPM is a board-certified podiatric surgeon at Balance Foot & Ankle in Howell and Bloomfield Hills, Michigan. He evaluates and treats Morton’s neuroma in runners and athletes using conservative approaches, injections, and surgical neurectomy when needed.

Differential Diagnosis: What Else Could It Be?

Several conditions share symptoms with Morton’s Neuroma and are commonly misdiagnosed in the first office visit. Considering these alternatives is part of every Balance Foot & Ankle exam:

• Capsulitis (2nd MTP). Pain at 2nd-toe base rather than between toes; drawer test positive.
• Stress fracture. Single-point tenderness over a metatarsal shaft, not between toes.
• Freiberg’s infraction. AVN of metatarsal head, classic radiograph flattening.

If your symptoms don’t fit the textbook pattern, ask your podiatrist which differentials they ruled out — that conversation often shortcuts months of trial-and-error treatment.

Most Common Mistake We See

The most common mistake we see is: Adding a cushioned insole instead of a metatarsal pad. Fix: place the metatarsal pad PROXIMAL to (behind) the metatarsal heads — not directly under them.

Warning Signs That Need Same-Day Care

Dr. Tom’s Top 3 — The Premium Foot Pain Stack (2026)

If you only buy three things for foot pain, get these. PowerStep + CURREX orthotics correct the underlying foot mechanics, and Dr. Hoy’s pain gel delivers fast topical relief. This is the exact stack Dr. Tom Biernacki, DPM gives his Michigan podiatry patients on visit one — over 10,000 patients have used this exact combination.

Frequently Asked Questions

What does a Morton’s neuroma feel like?

Patients most often describe it as walking on a pebble or a bunched-up sock — a burning, aching pressure between the third and fourth toes. Some feel an electric shock-like sensation that radiates into the adjacent toes. The pain typically worsens in narrow shoes and improves when barefoot or in wide, low-heeled footwear. This shoe-dependent pattern is the hallmark — if removing your shoes relieves your forefoot pain within minutes, a neuroma is the most likely diagnosis.

What causes a Morton’s neuroma?

A neuroma forms when the digital nerve running between the metatarsals becomes compressed and irritated, leading to perineural fibrosis (scar tissue thickening around the nerve). Common causes: narrow footwear that compresses the forefoot, high heels that shift body weight to the metatarsals, foot deformities (bunions, hammer toes, flat feet) that alter metatarsal spacing, and high-impact repetitive activity. Women develop neuromas 8–10 times more often than men, largely due to footwear choices.

Can a Morton’s neuroma go away without treatment?

Mild neuromas occasionally resolve with footwear changes alone — switching to wide, low-heeled shoes removes the compression causing symptoms. However, once a neuroma has been symptomatic for 6+ months, the nerve thickening is usually permanent without active intervention. Conservative treatment (footwear, metatarsal pads, steroid injections) resolves symptoms in 50–70% of patients. Surgery (neurectomy) has a 75–85% success rate for cases that don’t respond to conservative care.

Does a Morton’s neuroma require surgery?

Only when conservative options have failed. The escalation: wide-toe-box shoes + metatarsal pads → corticosteroid injection (works in 40–60%) → ultrasound-guided alcohol sclerosing injections (70–80% success) → surgical neurectomy. Surgery involves removing the thickened nerve segment under local anesthesia with a short recovery (2–4 weeks). The trade-off: permanent numbness in the web space between the affected toes. Most patients consider this acceptable given significant pain resolution.

How is a Morton’s neuroma diagnosed?

Clinical diagnosis is most common — the history and Mulder’s test (side-to-side metatarsal compression that recreates pain or a palpable click) identify the majority of cases. Ultrasound confirms the diagnosis and measures neuroma size — this helps predict treatment response; small neuromas (<5mm) respond well to injections, large ones (>8mm) often need surgery. MRI is reserved for atypical cases where a ganglion cyst, bursitis, or stress fracture may be mimicking a neuroma.

Can I run with a Morton’s neuroma?

Often yes, with the right footwear. Switching to wide-toe-box running shoes (Altra, Hoka with wide forefoot) with a metatarsal pad placed just proximal to the 3rd–4th interspace reduces compression during running. Reduce mileage temporarily. If pain exceeds 4/10 during a run, the nerve is being compressed and stop — continuing through moderate pain causes further fibrosis. Most runners with neuromas can return to full training after 4–8 weeks of proper shoe and pad adjustment.

Can both feet have neuromas at the same time?

Yes — bilateral neuromas occur in about 15–20% of neuroma patients, most commonly in women with a history of prolonged narrow-shoe wear. Multiple neuromas in the same foot (double neuroma) are less common but occur. When both feet are symptomatic, we typically treat the more painful side first to assess response before proceeding to the other foot. The treatment approach is the same bilaterally.

What shoes are best for Morton’s neuroma?

Wide, deep toe box is the top priority — enough room that the metatarsal heads aren’t compressed at all. Low heel (under 1 inch) to minimize forefoot load. Firm, cushioned forefoot. Best performers: Altra Torin, Hoka Bondi (wide toe box version), New Balance 574/993, Brooks Adrenaline wide. The test: you should be able to wiggle all toes freely with the shoe on. If the forefoot feels snug, the shoe is compressing the neuroma.

What is a metatarsal pad and does it help neuromas?

A metatarsal pad placed proximal to (just behind) the 3rd–4th metatarsal heads spreads those metatarsals apart, decompressing the interdigital nerve. It’s one of the most cost-effective interventions — $5–15 for OTC pads, significant relief for 50–60% of patients when placed correctly. Placement is everything: the pad goes behind the metatarsal heads, not under them. We fit them in-office to confirm position. Incorrectly placed pads (under the heads) increase compression and worsen symptoms.

Are corticosteroid injections safe for Morton’s neuroma?

Yes — for short-term pain relief. Ultrasound-guided cortisone injections reduce inflammation and perineural swelling, resolving symptoms in 40–60% of patients for 3–12 months. We limit to 2–3 injections per neuroma; repeated injections can cause fat pad atrophy and skin depigmentation. If 2 injections don’t produce lasting relief, alcohol sclerosing injections (3–5 treatment series, 70–80% success) or surgery is the next step. Injections are office-based, take 5 minutes, and are covered by most insurance plans.