Blood under nail: The painful pressure and fingernail discoloration caused by blood building up under the nail can be relieved using a fairly simple procedure. Any primary care physician can do this in his or her office. http://www.helium.com/items/1662798-how-to-remove-blood-blister-under-bruised-fingernail-or-toenail.
Answered 2/28/2013
5.6k views
Hematoma: See a podiatrist. This is called a sub-ungual hematoma and should be drained.
Answered 7/15/2017
5.6k views
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