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 fungus can cause a thickening of the toenail, as well as other changes in appearance. This can lead to pain and discomfort and should be treated promptly to prevent further issues. Changes in ...

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 ...

Ingrown toenails occur when the toenail grows into the skin next to the nail. It most commonly affects the big toe. Although an ingrown toenail will not go away without treatment, people can usually ...

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 ...

Ingrown toenails in babies and children are painful and common. The corner of a toenail, usually the great toe, gets stuck in the cuticle of the nail bed. Your baby may be fussy or your child will ...

Types of toenail fungus are more common than you think, especially as we age. Toenail fungus will not go away on its own—it does require medical treatment to cure it. It can take up to a year for ...