10/28/2025
A black toenail may appear alarming, and its causes can range from minor to more serious conditions. Repetitive trauma, such as pressure from shoes that do not fit properly, can cause bleeding beneath the toenail, which leads to dark discoloration. A blunt injury, like dropping a heavy object on the...
Read more: https://www.apfootandankle.com/blogs/item/148-causes-of-black-toenails