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A member asked:

What do stripes on finger nails mean?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Stripes on nails: White lines can be caused by malnutrition or liver diease. Dark lines running down a nail in black people over age 20 is usually normal (linear melanoychia). Black stripes down one nail could be a subungual hematoma. However a black stripe could also be due to cancer (subungual melanoma). Red or brown streaks could be splinter hemorrhages.

Answered 10/28/2017

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