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Ask Dr. K: High-heeled shoes are often cause of Morton’s Neuroma

DEAR DOCTOR K: I have pain in the ball of my foot. My doctor thinks it is caused by a Morton’s neuroma. How did I get this, and what can I do about it?

DEAR READER: Morton’s neuroma is a swelling of the nerve between the bones at the base of the toes in the ball of the foot. The pain it causes usually is in one spot. It can feel like you have a pebble in your shoe. Once the nerve starts to swell, the nearby bones and ligaments put pressure on the nerve, worsening the irritation.

A neuroma usually occurs between the bones of the third and fourth toes. It causes aching pain, a burning sensation, and numbness and tingling.

Morton’s neuroma is much more common in women than in men. In most cases, high-heeled, narrow-toed shoes are to blame. High heels shift the foot bones into an abnormal position. This causes the foot bones to put pressure on the nerve, and that increases the risk that a neuroma will form.

Less often, physical activities that stress the feet (such as running or racquet sports) can cause a Morton’s neuroma. You can temporarily relieve the pain by taking off your shoes, flexing your toes and rubbing your feet.

Other causes of foot pain can be confused with Morton’s neuroma. A wart on the ball of the foot can cause pain, for example. So can inflammation of a sheet of tissue called fascia (FASS-cha) beneath the skin on the underside of the foot. A doctor makes the diagnosis of Morton’s neuroma by pushing directly on the spot between the third and fourth toes.

Treatment usually starts with switching to shoes that have wide toe boxes, low heels and good arch support. A foot-care specialist may also recommend an adhesive pad to fit under the front of your foot. Custom-made shoe inserts, or orthotics, can correct any structural foot problems that might contribute to nerve compression.

You can also relieve painful inflammation by icing the area or taking ibuprofen, naproxen or aspirin.

Occasionally, a foot specialist will inject the area with a steroid and anesthetic to reduce inflammation and numb the pain. This can’t be repeated very often, because the treatment can damage the tissues.

Inflamed or injured nerves can take time to improve. But if your pain continues despite several months of treatment, your doctor may recommend surgery. Surgery can remove the neuroma or create a wider space for the affected nerve to travel.

Send questions, go to AskDoctorK.com, or write: Ask Doctor K, 10 Shattuck St., Second Floor, Boston, MA 02115.

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