The blood trapped beneath the nail causes it to turn black or dark in color as it dries and clots. This article will review black toenail symptoms, potential complications, treatment options, ...

When trauma occurs, blood may pool under the nail, creating a dark purple or black discoloration (medically known as a subungual hematoma). This adds pressure and can eventually cause the nail to ...

One thing is for sure: You can never go wrong with a classic French tip. This darker version puts a twist on the timeless design and is equal parts edgy and sleek. Use a black nail line polish and ...

Thank you for your exciting recent article on nail and nailbed infection onychomycosis. I have a question - Can Raynaud’s syndrome cause nails to turn black? Ed’s note: This question comes ...