Horizontal nail ridges (Beau's lines): Horizontal ridges, also known as Beau's lines run across the nail and may indicate an underlying condition. They can result from interrupted nail growth due ...

Note: thicker lines that create a horizontal stripe on the nail are called Beau's lines, which are often symptoms of a more ...

6. Are there lines that go from side to side? These are called Beau’s lines. Sometimes they come along with a severe illness or injury. Or they might show up afterward. They’re also linked ...

They can run vertically from the cuticle to the tip of the nail (known as longitudinal ridges) or horizontally across the ...