Thick, yellow toenails left so long they split and crumble. Nails so misshapen they dig into the skin, causing infections. Or, in the most severe cases, curling into what we call ‘ram’s horns’ that ...

When Maria Delgado noticed a dark streak under her big toenail, she assumed it was from dropping her gym bag on her foot. Six months later, that seemingly innocent mark led to a diagnosis that saved ...

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 ...

Toenail discoloration is a common issue. Possible causes of discolored toenails range from minor toe injuries and fungal infections to more severe health conditions, such as melanoma. Toenails are ...

An ingrown toenail occurs when the top corner or side of your toenail grows into the flesh next to it. It happens most commonly on your big toe. Common causes of ingrown toenails include: wearing ...

If a toenail is already ingrown, a person should avoid cutting it at home, as this can make it worse or cause infections. However, healthcare professionals can help remove an ingrown toenail. It may ...