This article does not constitute as medical advice.
If you are experiencing symptoms, contact your doctor or make an appointment.
A subungual exostosis is a bony spur on the tip of the toenail resulting from trauma to the toenail. This condition can also occur on fingernails. Sometimes small benign tumors may also grow under the toenail or on other bones in the body. Nonetheless, this spur is relatively uncommon and can be removed by surgery. Learn more about this condition here:
The true cause of this condition is still unknown, but experts have estimated several factors that lead to these bone spurs, such as:
Patients can typically spot the deformity on their big toe, which is the telltale sign. If you notice this spur, contact your podiatrist, who can perform an x-ray and recommend treatment.
If you notice symptoms of this condition, make an appointment with your podiatrist to confirm the diagnosis and to recommend treatment.