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small black lines in fingernails

A 31-year-old male asked:
Dr. Ward Dean
Dr. Ward Dean answered
43 years experience Anti-Aging Medicine
Splinter hemorrhage: It's called a splinter hemorrhage. If you only have them occasionally, don't worry about it.

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A 24-year-old female asked:
Dr. Laurence Badgley
53 years experience General Practice
Splinters: Thin longitudinal black lines under fingernails can be what doctors call "splinters" & can reflect tiny blood clot emboli that get caught there, w ... Read More
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Dr. Heidi Fowler
25 years experience Psychiatry
Splinter hemorrhages: That is just a guess. Black stripes down one nail could be a subungual hematoma. Red or brown streaks could be splinter hemorrhages. Brown/black lin ... Read More
A 26-year-old male asked:
Dr. Anshul Gandhi
8 years experience Emergency Medicine
Splinter Hemorrhage: A splinter hemorrhage can occur for a variety of reasons and may be harmless or a sign of a more serious health condition. If caused by trauma these ... Read More
A 23-year-old male asked:
Dr. Anthony Depalma
14 years experience Emergency Medicine
Splinter hemorrhage?: These may be what are called splinter hemorrhages. They can be dot-like but also needle-like. I don't think biting has anything to do with it. It woul ... Read More
A 53-year-old male asked:
Dr. Ronald Krauser
52 years experience Rheumatology
Have it evaluated: Have it evaluated. It is often nothing but it may be a more serious condition such as a melanoma.
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A 22-year-old female asked:
Dr. Muhammed Ridhwan Khan
Specializes in
Lines on your nails: Hi, persistent lines on your nails could be something as simple as a fungal infection or it could be a sign of an underlying medical condition. I woul ... Read More
A 47-year-old member asked:
Dr. Richard Bensinger
52 years experience Ophthalmology
Dermatologist: Your dermatologist is the best source for determining the cause and treatment of black lines in fingernails.
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A 53-year-old female asked:
Dr. Laurence Badgley
53 years experience General Practice
Blood clots : Tiny blood clots, usually broken off from heart valves then float to the end arteries of the fingertips and get caught in the capillaries of the nail ... Read More
A 56-year-old female asked:
Dr. Mandakini Patel
41 years experience Pediatrics
Nail issues: The best thing would be to have it checked out as it could be anything from fungal infection to injury or other disease. If you have ridges it could a ... Read More
A 49-year-old female asked:
Dr. Ed Friedlander
44 years experience Pathology
Splinter bleeds?: If you're describing splinter hemorrhages (there many web photos for you to compare), you'd do well to show them to your physician, though this isn't ... Read More
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