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A 22-year-old member asked:

I slammed my hand in my car door and now my nail is black. is this a nail disease?

2 doctor answers9 doctors weighed in
Dr. James Ferguson
Pediatrics 46 years experience
Most a blood bruise: By traumatizing the sensative nailbed, you have likely caused a bruise/blood collection under the nail.In the 1st 24-48hrs drs often release the pressure by creating a small hole in the nail with a hot needle allowing the blood pool to escape, limiting what will be a long term blood stain on the underside of the nail. The nail grows out slowly ~1-2 mm/mo & a new nail should emerge from the nailbed.
Dr. Michael Tomeo
Dermatology 38 years experience
Subungal hematoma: Go have it drained if necessary the nail may fall off but a new nail will grow to replace it.

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Last updated Sep 28, 2016

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