Nail: If you are talking about a nail, it may be due to trauma where blood gets under the nail. It gets better on its own. If it is pure black, it many be a melanoma which is a very dangerous cancer. See a dermatologist.
Answered 5/13/2014
6.1k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question