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A member asked:

What causes a horizontal ridge or bump on a fingernail?

A doctor has provided 1 answer
Dr. Jerome Litt answered

Specializes in Dermatology

NAIL RIDGE FINGER: A SINGLE HORIZONTAL FINGERNAIL RIDGE IS HARMLESS. IT DEPENDS ON WHICH NAIL, WHEN IT BEGAN, WHAT HABIT DO YOU HAVE WITH THAT PARTICULAR NAIL, AND MORE OF A HISTORY. IT SOUND BENIGN AND HARMLESS. IF YOU ARE CONCERNED, SEE A DERMATOLOGIST.

Dr Ali and another doctor agreed

Answered 1/7/2020

2.8k views

Thank

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