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

Having a loose toenail or fingernail can be a troubling ... If part of the nail is still healthy and attached to the nail bed, trim off the detached area and leave the healthy part to regrow.

Laser therapy is an emerging treatment that uses high-energy light to heat the nail and kill the fungus, while leaving surrounding tissue unharmed. Early studies suggest several laser therapy sessions ...