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 ...

Yellow toenails are most often caused by a fungal infection. Fungal toenail infections are more common if you have a history ...

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 ...

Excessive nail polish use or fungal infections are the most likely causes of yellow toenails. However, yellow toenails can sometimes be a sign of a more serious underlying condition. Nails are ...

Thick, yellow, and brittle toenails are often caused by fungal infections like onychomycosis, which thrives in moist environments and on keratin. Risk factors include diabetes, poor circulation, and ...