Fungal infections can develop underneath the toenail surface, often as a result of other fungal foot infections. Fungal nails, or onychomycosis, can be harder to treat than other foot fungi,…
Black toenails (subungual hematomas) are bruised toenails that result from blood collecting under the nail. They can be caused by crushing, impact, or injury to the toe, such as dropping…
Ingrown toenails, known as onychocryptosis, most commonly occur on the big toe and are caused by pressure that drives the edge of the nail into the surrounding skin. Ingrown toenails…