Medically reviewed by William Truswell, MD An ingrown toenail—medically known as onychocryptosis—refers to a toenail that has ...

Trimming your nails is a simple task, and we indulge in this mundane activity every week, but at times we go overboard and cut them too short. This can lead to serious and long-lasting problems.

cutting toenails too short or not straight across, injuring the toenail, having unusually curved toenails, toe deformities, subungual exostosis (outgrowth of bone from the tip of the toe), and use ...