Seeing vertical ridges on your toenails is usually no big deal, but sometimes they can be a sign that something’s up with your health. In other words, seeing vertical ridges on toenails (pictures below!) is common, so don’t panic, but also don’t ignore them.
This article will give you the lowdown on what these ridges mean, what might be causing them, and when you should see a doctor about them. We’ll mainly be talking about vertical ridges, but we’ll also touch on horizontal ridges (called Beau’s lines) to help you tell the difference.