Black nail: The most common cause of a. Lack nail is bleeding into the nail bed from trauma. Fungus can do it and in rare instances other disorders.
Answered 1/14/2016
3.8k views
Dried blood: almost always it is because there was an injury causing bleeding under the nail. The dried blood will take months to grow out, the nail may fall off
Answered 5/29/2016
3.5k 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
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question