Truama or fungal nai: Discoloration may be due to fungal nail changes causing excessive sublingual debris vs trauma induced. For example certain activities may cause bleeding under the nail or dry blood. If in the tip and drains out it causes automatic desertion of the nail. If no sorrow ding redness or swelling it's not urgent but should be looked at. Likely cause usually fungal nail or trauma
Answered 2/3/2016
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3 doctors weighed in across 2 answers
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