What Can Cause A Black Toenail?

Skin Tone

A black toenail can be affected by an individual's skin tone. Individuals with dark skin will often have toenails that appear darker. If an individual's toenails have always been dark-colored or black due to their skin tone, they don't need to worry about an underlying medical condition. The only reason to be concerned would be if they have other symptoms, particularly a fever. They may also be concerned if one toenail has become even darker or discolored when compared to the others. If this is the case, individuals may want to have a dermatologist or their general practitioner look at it to make sure they don't have a fungal infection.

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