Hi, I noticed my almost 4 year old has ridges that go vertically down all her fingernails. They are not colored or white, and you do need to look at it in very good light to see. Her middle and ring fingers on both hands seem more prominent than rest. Should I be concerned?

Thank you

Longitudinal ridging is an accentuation of the normal longitudinal relief of the nail plate. The ridges start under the cuticle and run over the whole length of the nail up to the free edge. Longitudinal ridging may be regularly interrupted, giving a beaded or melted wax appearance. Multiple ridging is common and corresponds to the normal aging of the nail apparatus ("wrinkles of the nails").


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Michael S. Fisher, <B>Ph.D., M.D.</B>


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