Many people face the challenge of deciding whether to seek medical care due to concerns about health insurance and costs. In a recent letter, a reader described experiencing a sensation of a lump or mass beneath the ball of their foot, similar to feeling as if their sock is wadded up, but finding nothing wrong upon inspection.
Doctors responding to the inquiry explained that this symptom often points to Morton’s neuroma, a condition caused by a pinched nerve in the foot, usually between the third and fourth toes. “The pressure on the nerve causes it to send faulty data to the brain, including sensations of fullness, pressure and constriction. The brain then offers a logical interpretation: There’s an object beneath your foot,” they wrote.
There are several possible causes for Morton’s neuroma. Physical injury to the forefoot can be one factor. Ill-fitting shoes—whether too tight, too loose, or with excessively high heels—can also contribute. Biomechanical issues such as flat feet or high arches may require specialized support and can increase risk. Other conditions like hammer toe and bunions are also considered risk factors. Additionally, repetitive impact from sports such as running, tennis, or basketball may lead to this condition.
A visit to a doctor is recommended not only for diagnosis but also to rule out more serious issues like stress fractures or breaks, which would require an X-ray. The neuroma itself may be identified through a physical exam focused on locating tenderness or masses.
Treatment options vary depending on severity. Some people find relief by changing footwear; flat-soled shoes with padded insoles and roomy toe boxes help reduce constriction. Custom orthotic inserts may also provide comfort. In some cases, medications are prescribed for inflammation or pain management. Surgery is considered when other treatments do not provide sufficient relief.
Doctors emphasized that activities, gait mechanics, or footwear choices could worsen Morton’s neuroma without patients realizing it. They advised seeking medical attention for proper assessment and diagnosis: “For this reason, we urge you to see your doctor. They can assess the possible causes of the condition and offer a diagnosis. And if you share your financial concerns, most doctors will work with you on a solution that will address the problem and also protect your budget.”
Questions can be sent via email or mail to UCLA Health Sciences Media Relations at their Los Angeles office.
