Onychorrhexis is a condition that causes vertical ridges to form on the fingernails. Instead of a relatively smooth fingernail, a person with onychorrexis will have grooves or ridges in their nails.

Onychorrhexis is a condition that affects your nails, causing them to develop ridges and splitting. These ridges often look like thin grooves running vertically along the length of your nail. Your ...

Vertical ridges in nails are usually harmless and may become more noticeable with age. Sudden or worsening ridges should be checked by a healthcare provider. Some ridges can be linked to medical ...