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 You are in Foot Problems > Toe Problems > Subungal Exotosis (bone spur under toenail). Featured topics include:
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Subungal Exotosis (bone spur under toenail)

A Subungual Exostosis is more commonly referred to as a bone spur under toenail. They generally are a result of some form of trauma to the toe, forming a bony irregularity or prominence. They are normally treated by surgical removal. Other small tumors called Osteochondromas and Enchondromas can also form in the bone beneath the toenail as well as in other bones in the body.


There are 250,000 sweat glands in a pair of feet. Sweat glands in the feet excrete as much as a half-pint of moisture a day.