Subungual hematoma: Black discoloration under the nail is caused by bleeding. After three days there isn't anything to do for this. If you think you may have broken the tip of the finger bone, an x-ray could answer this question.
Answered 5/3/2014
4.9k 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