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I have observered a black line across the top of my finger nails....want to knw what that means..I am scared

By Anonymous June 12, 2015 - 2:02pm
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Is bad. Cause I had two small moles on my leg for years......thank you for the information

June 12, 2015 - 3:53pm

Hi Anon,

Thank you for sharing your question with the EmpowHER community.

That black line you've discovered could be what dermatologist call Longitudinal Melanonychia (Nail Pigment Banding). It's caused by increased melanin pigment in the nail plate. Melanin is the same pigment that determines skin color and allows people to tan.  Longitudinal Melanonychia is not common in people of with fair complexions.   

First and formost, it's important to note that not all nail pigmentation are  Longitudinal Melanonychia . It could be blood collected under the nail plate Subungual Hematoma.  However, I will urge you to make no assumptions either way, but do be proactive and appointment to get yourself checked out.

Here is some additional information:

Black or Brown Discoloration in Nails: What Does It Mean?

I hope this helps.

Be well,


June 12, 2015 - 3:45pm
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