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I have some sord of black lines apearing in my nails.The problem is not in all fingers at same time but it seems to keep moving.Should I worry?

5 doctors weighed in
Dr. Kenneth Cheng
Family Medicine
4 doctors agree

In brief: Splinter hemorrhages

Splinter hemorrhages are small areas of bleeding that causes a "splinter" appearance under the nails.
Although uncommon, it can be due to a condition known as endocarditis, an infection of the inner lining of the heart. See your doctor to rule this out.

In brief: Splinter hemorrhages

Splinter hemorrhages are small areas of bleeding that causes a "splinter" appearance under the nails.
Although uncommon, it can be due to a condition known as endocarditis, an infection of the inner lining of the heart. See your doctor to rule this out.
Dr. Kenneth Cheng
Dr. Kenneth Cheng
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