Top answers from doctors based on your search:
line on toenail
A 20-year-old female asked:

Dr. Heidi Fowler answered
25 years experience Psychiatry
Melanonychia Striata: Melanonychia striata is a brown-black lines in the nail the goes from the base to the tip of the nail. Get it checked just to make sure it isn't rel ... Read More
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A female asked:

Dr. Peter Ihle answered
54 years experience Orthopedic Surgery
Most likely to be-: -a bruise. If your shoes @ the end jam the big toe, or if you stump your toe the bruise shows up as a black line starting @ the base and gradually gro ... Read More
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1 comment
A female asked:

Dr. Corinne Kauderer answered
36 years experience Wound care
Toenail lines: Any vertical line on a toenail must be investigated by a Podiatrist or Dermatologist. It can be something serious or it could be due to trauma but it ... Read More
A 31-year-old female asked:

Dr. Sudheer singh chauhan Chauhan answered
Specializes in Internal Medicine
Splinter hemorrhages: Spinter hemorrhages see a physician
A female asked:

Dr. Jonathan Posner answered
27 years experience Podiatry
Trauma: A dark line that runs vertically down the nail can indicate that you might have traumatized the nail matrix(the area where the nail starts growing). O ... Read More
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A 41-year-old male asked:

Dr. Jeffrey Hoffman answered
32 years experience Family Medicine
Recommend consult: consider seeing a dermatologist about this to be sure this is not anything more problematic
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A 50-year-old member asked:

Dr. Ejiro Isiorho answered
8 years experience Podiatry
0_o: It can mean multiple things, from trauma, to mycotic nails, to many many more. If painful or new please go see a podiatrist or dermatologist.
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A 42-year-old female asked:

Dr. David Hettinger answered
36 years experience Podiatry
Sounds like fungis: Keep in mind... The fda has recently come out with a blanket statement that toenail fungus can not be cured. It is "managed" by a number of modalitie ... Read More
A member asked:

Dr. Fred Birnbaum answered
43 years experience Podiatry
Minor trauma: This usually indicates blood underneath the nail plate. Many runners suffer from this due to inadequate depth of the toe box portion of a running shoe ... Read More
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6 thanks
A male asked:

Dr. Jeffrey Kass answered
28 years experience Podiatry
Sometimes this: Is a normal variant, sometimes it could be blood that is dried, melanoma at times needs to be ruled out.
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1 thank
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