Medically reviewed by Danielle McNeil, D.P.MMedically reviewed by Danielle McNeil, D.P.M There are three main types of toenail fungal infections, also known as onychomycosis or tinea unguium ...

Medically reviewed by Susan Bard, MD There are many types of nail diseases. They can occur for a wide range of causes that can be acute (short-term) or chronic (long-lasting). Nail diseases can cause ...

Possible causes of discolored toenails range from minor toe injuries and fungal infections to more severe health conditions, such as melanoma. Toenails are usually semi-transparent but can turn ...