People describe it the same way again and again: it feels like there is a pebble in my shoe, or like my sock is bunched up under the ball of my foot. They stop, take the shoe off, find nothing there, and the feeling comes right back once they start walking. That description is so consistent it is often the first clue.
What is going on
Morton's neuroma is a thickening of the tissue around one of the nerves running between the long bones of the foot, most often between the third and fourth toes. The nerve gets compressed and irritated in that narrow space, and the surrounding tissue responds by thickening, which leaves even less room. It is not a tumor, despite what the name suggests.
What it typically feels like
- Burning or sharp pain in the ball of the foot, sometimes radiating into the toes.
- Numbness or tingling in the toes on either side of the affected space.
- The classic sensation of standing on a pebble or a fold in your sock.
- Symptoms that worsen in tight or narrow shoes and in heels, and ease when you take the shoe off and rub the foot.
What tends to bring it on
Footwear is the most common contributor. Narrow toe boxes squeeze the bones together, and heels shift your weight forward onto the ball of the foot, compounding the pressure. Certain foot shapes, high arches, flat feet, and bunions, change how load is distributed and can make it more likely. Activities that repeatedly load the forefoot, such as running or court sports, add to it.
What usually helps first
- Wider shoes with a roomy toe box. This is the single highest-yield change for most people, and it costs nothing but a shoe swap.
- Lower heels. Getting your weight off the forefoot removes a large part of the compression.
- A metatarsal pad placed just behind the ball of the foot, which helps spread the bones and open up the space around the nerve. Placement matters, and a little too far forward makes it worse.
- Reducing the activities that reliably provoke it while things settle.
- Anti-inflammatory measures for symptom control.
When to have it looked at
If the shoe changes and a pad have not helped after a few weeks, or if the numbness is spreading or becoming constant, it is worth having someone examine the foot. A few other problems, including a stress fracture, capsulitis, or an issue further up the chain, can produce similar symptoms in the same neighborhood, and they are managed differently. Getting the diagnosis right is what determines whether the plan works.
For symptoms that persist despite good conservative care, there are further options, including injections and, in resistant cases, procedures to address the nerve directly. Most people never need to go that far. If the ball of your foot has been talking to you for more than a few weeks, come get it looked at.