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

An ingrown toenail can happen when your nail grows into the skin on the nail border, where the nail meets the skin on the corner or side of the toe. The nail digging into your skin often causes ...

An ingrown toenail can cause utter discomfort and pain around the affected surface. This problem erupts when a toenail’s edge ...