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Ridges on fingernails indicate what? I have vertical ridges on my fingernails and horizonal ridges on my big toenail

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In brief: Ridges on nails

The vertical ridges may be normal for you or a metabolic problem. The horizontal ridges are usually called "trauma lines" on the toenails and indicate changes in your nail growth pattern at the root level.

In brief: Ridges on nails

The vertical ridges may be normal for you or a metabolic problem. The horizontal ridges are usually called "trauma lines" on the toenails and indicate changes in your nail growth pattern at the root level.
Dr. Fred Birnbaum
Dr. Fred Birnbaum
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Dr. Christopher Crosby
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