Botox for Morton's Neuroma: Could It Offer an Alternative to Surgery?

Exploring an emerging treatment for persistent forefoot nerve pain

Morton's neuroma is a common and often frustrating cause of forefoot pain. Patients typically describe burning, shooting pain, tingling or the sensation of standing on a small stone, particularly when wearing tighter footwear or walking for prolonged periods.

For many patients, conservative treatments such as footwear modifications, orthotic insoles and injection therapy can provide significant relief. However, some continue to experience symptoms despite appropriate treatment, leaving surgery as one of the remaining options.

Emerging research into botulinum toxin type A (commonly known as Botox) suggests there may be another treatment worth investigating before progressing to surgery.

Understanding Morton's Neuroma

Despite its name, Morton's neuroma is not a true tumour. It is a painful condition involving thickening and fibrosis of the tissue surrounding a digital nerve, most commonly between the third and fourth metatarsal heads.

Repeated mechanical irritation and compression are thought to contribute to the development of symptoms.

Diagnosis is usually made through a combination of clinical examination and, where appropriate, diagnostic ultrasound or MRI.

At Kent Sports Podiatry, ultrasound can be particularly useful in identifying the affected nerve, assessing its size and excluding other potential causes of forefoot pain, such as intermetatarsal bursitis or plantar plate pathology.

What Treatments Are Currently Available?

Initial management generally focuses on reducing mechanical irritation around the affected nerve.

This may include:

• Footwear modifications, particularly wider toe boxes.

• Custom orthotic insoles to redistribute forefoot pressure.

• Activity modification and load management.

• Ultrasound-guided corticosteroid injections.

• Other specialist interventions in selected cases, including nerve ablation techniques.

When these treatments fail to provide adequate relief, surgical excision or decompression of the affected nerve may be considered.

Although surgery can be effective, it carries risks, including persistent pain, altered sensation, scar sensitivity and the potential development of a painful stump neuroma.

Understandably, some patients would prefer to explore other options before committing to an operation.

Could Botox Offer Another Option?

Botulinum toxin type A is widely recognised for its cosmetic applications, but it also has established medical uses in conditions involving muscle overactivity and certain types of chronic pain.

Its effects extend beyond muscle relaxation. Research suggests that botulinum toxin may influence pain signalling by reducing the release of certain neurotransmitters and neuropeptides involved in pain transmission.

This has led researchers to investigate whether injecting botulinum toxin around a symptomatic Morton's neuroma could reduce nerve-related pain.

Importantly, the proposed benefit is not that Botox removes the neuroma or reverses the underlying fibrotic thickening. Rather, it may help reduce the pain generated by the irritated nerve.

What Does the Research Show?

A small clinical study investigating botulinum toxin type A injections for Morton's neuroma reported encouraging improvements in pain among patients whose symptoms had persisted despite previous conservative treatment.

These findings suggest that botulinum toxin may have a role in managing difficult-to-treat neuroma pain.

However, the available evidence remains limited. Small patient numbers, a lack of robust comparative trials and uncertainty regarding long-term outcomes mean that Botox cannot yet be considered an established treatment for Morton's neuroma.

Further research is required to determine the most appropriate dose, injection technique, duration of benefit and whether repeat treatment is effective or necessary.

Nevertheless, the findings are interesting because they introduce another potential approach to managing persistent nerve pain without immediately resorting to surgery.

The study's key findings

I found the original paper by Climent et al. (2013), Treatment of Morton Neuroma with Botulinum Toxin A: A Pilot Study. These figures would be worth adding to the blog to make the research section more compelling.

PubMed+1

17

Patients treated

70.6%

Reported pain improvement

3 months

Follow-up duration

Average pain when walking

Visual analogue scale (VAS), 0–10; lower is better

02.557.510Before1 month3 months

That represents approximately a 47% reduction in average walking pain at three months, following a single injection. No adverse effects were reported in this small study, although it was uncontrolled and too small to establish safety or efficacy reliably.

Where Might Botox Fit Into the Treatment Pathway?

In my view, the most interesting potential application is for patients who have exhausted conventional conservative treatments but are understandably reluctant to undergo surgery.

For example, a patient may have already tried appropriate footwear, custom orthoses and corticosteroid injection therapy, yet continue to experience significant symptoms.

Traditionally, the next discussion might involve surgical referral or an alternative nerve-directed procedure.

If stronger clinical evidence emerges, botulinum toxin could potentially offer an additional minimally invasive option at this stage.

It is important to emphasise that Botox injections for Morton's neuroma remain an emerging, off-label approach rather than an established part of routine clinical management.

The Importance of Accurate Diagnosis

Not every case of forefoot pain is caused by Morton's neuroma, and identifying the correct pain generator is essential before considering more invasive treatment.

Ultrasound examination can help confirm the presence and location of a neuroma while identifying other conditions that may produce similar symptoms.

Equally, the presence of a neuroma on imaging does not automatically mean it is responsible for a patient's pain.

A thorough clinical assessment remains fundamental to deciding whether an injection, nerve-directed procedure or surgical opinion is appropriate.

My Thoughts: An Interesting Development in Neuroma Management

As a specialist in podiatric sports medicine, I am particularly interested in treatments that may help patients avoid surgery where clinically appropriate.

Morton's neuroma can be challenging to manage, particularly when symptoms persist despite good-quality conservative treatment.

Botulinum toxin is an interesting development because it offers a different potential mechanism for pain relief rather than simply repeating treatments that have already been unsuccessful.

However, encouraging early results should not be confused with proven long-term effectiveness.

At present, I would regard Botox as a promising area of research rather than a treatment that should routinely replace established management options.

As further studies become available, it will be interesting to see whether botulinum toxin becomes part of the specialist treatment pathway for patients with persistent Morton's neuroma.

The ultimate goal is not simply to avoid surgery, but to identify the most appropriate, least invasive effective treatment for each individual patient.

Specialist Morton's Neuroma Assessment in Kent

At Kent Sports Podiatry, we assess and manage a wide range of forefoot conditions, including Morton's neuroma.

Our approach combines detailed clinical examination, diagnostic ultrasound where indicated, biomechanical assessment, orthotic management and ultrasound-guided injection therapies.

For patients whose symptoms persist despite conservative management, we can discuss further treatment options and appropriate specialist referral.

To arrange a consultation, visit www.kentsportspod.com.