Eventually there is bleeding beneath the nail plate. Since the nail stays in place, blood collects beneath it and a hematoma forms. The increased pressure beneath the nail plate results in ...

A bruised toenail, or subungual hematoma, is when the nail becomes injured from trauma (such as dropping a heavier object on ...

Runner's toe, medically termed subungual hematoma, occurs due to repeated trauma to the longest toe. This trauma causes bleeding beneath the nail, leading to the characteristic discoloration.