They occur when the edge of a toenail starts growing into the surrounding skin, causing pain, swelling, and discoloration, ...

Ingrown toenails can be caused by wearing ill-fitting shoes and too long or too short nails. If an ingrown nail isn't treated, it could cause an infection and grow into the surrounding tissue.

For those who have them, ingrown toenails need little introduction. They occur when the corner of the nail grows and curves into the skin, the result of too-tight shoes, incorrect trimming or ...