A subungual hematoma can also happen to runners and hikers, especially those who often run or hike downhill. When space is tight in the front of a shoe, there’s undue pressure on the blood ...

Subungual melanoma is a serious type of skin cancer that occurs in the skin under your nails. Subungual melanomas are rare, seen in only 0.07% to 3.5% of the people in the world who have ...

A subungual hematoma occurs when an injury breaks open blood vessels under the nail, causing blood to collect and become trapped in one spot. It can affect both fingernails and toenails.

This bruising is called a subungual hematoma. It’s usually caused by a crushing or stubbing injury. Over time, the blood may turn dark, and the pressure of the hematoma may cause your nail to ...

Dermatology Nursing. 2007;19(1):83-84. Athletes may develop sports-related subungual hematomas. Repeated trauma to the nail bed occurs each time the toe contacts the inside of the sneaker.

Periungual warts and subungual warts are common types of warts that occur under and around the nail in people at any age. While they do not have the appearance of a common wart or a wart that has ...