A curled toenail often begins as a small cosmetic change that seems easy to ignore. Then the nail thickens, the shoe rubs harder, and the side of the toe grows tender. Many adults assume every curved ...

An ingrown toenail, or onychocryptosis, is an uncomfortable but common condition in which the edge of your toenail grows into ...

Onychocryptosis, or an ingrown toenail, is a common and frequently painful foot problem. It happens when the nail grows into the skin and can lead to inflammation and infection. In this article, we ...

Nail fungus — known by the scientific name of onychomycosis — is a fungal infection of the nail. It can occur on the toenail or fingernail but is most common on the toes. It causes whitening and ...

Toenail melanoma is a rare cancer that develops underneath the fingernail or toenail. You can also get toenail fungus from the overgrowth of fungi in, under, or on the nail. The two conditions can ...

Thick yellow toenails are usually caused by a fungal infection called onychomycosis. This can be irritating or painful. It’s less common, but the infection can affect your fingernails as well. Thick ...