A member asked:

Accidentally tore the hyponychium of my index finger & it bled a little. noticed a black mark grown in my nail after a few days and still there, why?

A doctor has provided 1 answer

Sublingual hematoma: When the nail bled, some blood may have become trapped under the nail. This should grown out without problem,

Answered 5/15/2015

2.9k views

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