San Antonio, TX

A 34-year-old female asked:

can stress be the cause of the black little vertical lines that i have on my left and right thumb nail or because not enough iron?

1 doctor answer • 3 doctors weighed in

Dr. Cheryl Levin answered

Dermatology 16 years experience

Various causes: This sounds like splinter hemorrhages. There are various causes, such as injury to the nail or other internal causes (including infections) please see your healthcare provider to fully assess.

5368 viewsReviewed Jan 30, 2019

Dr. Kenny Chuu

Dr. Richard Mallia

Dr. Kenny Chuu and another doctor agree2 doctors agree

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Last updated Jan 30, 2019

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