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Condition guide
Morton's neuroma
A thickening of tissue around a nerve in the forefoot, most often between the third and fourth toes. The description people give is remarkably consistent: it feels like standing on a small stone, or a sock bunched under the ball of the foot.
What it is
Morton's neuroma is a thickening of the tissue surrounding one of the nerves running between the metatarsal bones toward the toes, most commonly the nerve between the third and fourth toes. Compression of that nerve produces burning pain in the ball of the foot, often with numbness or tingling in the adjacent toes.
It is not a tumour, despite the name. The characteristic complaint is a sensation of a pebble, fold, or lump underfoot that is not actually there, typically relieved within moments of taking the shoe off and rubbing the foot.
How it typically presents
- Burning or sharp pain in the ball of the foot, usually toward the outer half
- Numbness, tingling, or a dead feeling in one or two toes
- The persistent sensation of a stone or a rucked-up sock underfoot
- Worse in narrow, pointed, or high-heeled shoes, and better barefoot
- Relieved by stopping, removing the shoe, and massaging the forefoot
- Usually no visible swelling or outward change to the foot
What aggravates it
Two footwear features come up repeatedly. A narrow or tapered toe box squeezes the metatarsal heads together and compresses the nerve between them. An elevated heel shifts load forward onto the forefoot, increasing pressure at exactly the point where the nerve is already irritated. High-impact activity and prolonged standing add to the cumulative load. Certain foot structures, including bunions and flat feet, are associated with higher incidence.
What tends to help, and what to look for in a product
Conservative management generally starts with footwear changes rather than with a purchase: a wider toe box, a lower heel, and a softer, thicker sole. Metatarsal pads, positioned just behind the metatarsal heads rather than directly under them, are commonly used to spread the bones slightly and lift pressure off the nerve. Placement matters more than the pad itself, and getting it wrong is a common reason people conclude the pads do not work.
- Toe box width, published by some manufacturers as a foot-width designation or as a last width. This is the single most relevant specification, and the one least often stated clearly.
- Heel-to-toe drop, in millimetres. A lower drop shifts load away from the forefoot.
- Metatarsal pad height and position, in millimetres and relative placement. Insoles with a built-in metatarsal dome vary considerably in where the dome sits.
- Midsole stack height and material, which determine how much impact is absorbed before it reaches the forefoot.
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Worth having examined
Several forefoot conditions produce overlapping symptoms, including metatarsalgia, stress fractures, and bursitis, and they are managed differently. Persistent numbness in particular should be assessed rather than self-managed indefinitely. If symptoms are not improving with footwear changes, an examination is the sensible next step rather than a further purchase.
Common questions
Why does it feel like a pebble in my shoe?
The sensation comes from the thickened tissue around the nerve sitting between the metatarsal heads. When you load the forefoot, that mass is compressed between the bones, and the brain interprets the resulting nerve signal as pressure from something underfoot. That is why the feeling persists after you have checked the shoe and found nothing in it.
Do wider shoes actually help?
Reducing forefoot compression is a standard first-line measure, and a wider toe box is the most direct way to do it. Many people find it makes a noticeable difference. It is also the cheapest thing to try if you already own shoes with a roomier front, and it costs nothing to test before buying anything.
Where should a metatarsal pad sit?
Behind the metatarsal heads, not directly beneath them — the pad is meant to lift and separate the bones just proximal to the painful point. Placing it directly under the sore spot tends to increase pressure rather than relieve it, which is the most common reason people report that pads made things worse.
Can it go away on its own?
Symptoms sometimes settle with footwear modification and reduced load, particularly when the condition is caught early. Established cases often need clinical management, which can range from injections to surgery in persistent cases. That decision belongs with a clinician who has examined the foot.
Sources
- American Academy of Orthopaedic Surgeons. OrthoInfo — patient education library. [URL NEEDS VERIFICATION]
- American Podiatric Medical Association. Foot health information. [URL NEEDS VERIFICATION]
- NHS. Morton's neuroma. [URL NEEDS VERIFICATION]