Jan 26, 2025 · 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....

Aug 20, 2024 · Vertical ridges are furrows that run from the tip of your fingernail down to the cuticle. They are sometimes called longitudinal striations or bands. According to 2015 research, slight vertical...

Nov 16, 2022 · Ridges in your nails are visible lines or dents in your fingernails or toenails. The ridges may run vertically (up and down) or horizontally (across) your nail.

Jun 30, 2023 · Read on to learn about how changes in the way your fingernails look could signal medical concerns that you shouldn't ignore. If you notice these changes, make an appointment with your …

Feb 26, 2025 · Longitudinal ridging, which is clinically known as onychorrhexis, occurs on the nails and may appear as vertical striations or lines that originate from the base of the fingernail and...

Sep 7, 2022 · Use these dermatologist-approved strategies to identify the cause of your nail ridges (horizontal or vertical) and keep fingernails smooth.

Sep 13, 2025 · Fingernail ridges can appear as horizontal or vertical lines on your nails. Vitamin deficiencies, aging, injury, and health conditions can cause them.

1 day ago · Also called "melanonychia," these dark streaks on the fingernails or toenails are caused by a deposit of pigment cells, aka melanin, in the nail matrix, per the Cleveland Clinic. These lines can ...

2 days ago · Ridges in your nails can appear vertically or horizontally. While ridges aren't usually a serious concern, in some instances, they may be a sign of a health problem.

Jul 21, 2025 · Noticing ridges on nails? Learn what causes vertical and horizontal nail ridges, how to treat them, and tips to prevent them. Discover when they might signal a health concern in this …