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 ...

You peel off your running sock and – alas! – there it is: your first bruised toenail. Many runners view bruised toenails as a rite of passage, but you are no less of a runner if you never get one. In ...

Thick, yellow, and brittle toenails are often caused by fungal infections like onychomycosis, which thrives in moist ...