What Can Cause A Black Toenail?

Toenails are naturally supposed to be fairly white or clear in color, which means individuals can be certain there's a problem when they suddenly blacken. Black toenails can occur for a surprisingly large number of reasons, ranging in severity from mild to quite serious. Some of the causes of black toenails will go away on their own, while others will linger until treated. If individuals notice one or more of their toenails have recently turned black, it's important for them to see a doctor so they can have the issue properly diagnosed. A few of the causes of a black toenail can be very damaging to a patient's overall health if left untreated.