A narrow, vertical black line on your nail is called a splinter hemorrhage. Lines that create a horizontal stripe are called Beau's lines.

A disappearing nail bed is a reduction of the nail bed, or skin beneath your nail. Injuries, infections, and certain health conditions are all possible causes. A nail bed consists of the skin ...

A black line in your nail can be a sign of melanoma, or it can be a normal part of your nail bed. A woman's story can help you identify the difference. Updated May 1, 2023, 11:25 AM EDT / Source ...

A look at a black line on the nail, a common change that can happen due to a range of causes. Included is detail on the diagnosis and when to see a doctor.

To help us understand what those thin black lines on nails are and how to treat them, we turned to pros. Keep reading for ...

Not all marks on your nails are cause for alarm. "A black line that extends longitudinally from the cuticle to the free edge of the nail is often pigment," board-certified dermatologist Joshua ...

They can look like reddish white half-moons, orange nail lesions, horizontal white lines, ... This is when the nail becomes separated from the nail bed, usually starting at the tip of the nail.

10. Are there dark lines or blobs underneath? A thick black or brown line that runs from the bottom to the tip might be melanoma. Sometimes it shows up as a dark-colored blob. 11. Are the nails loose?

WebMD explains the causes, symptoms, and treatment of Muehrcke's lines on the fingernails – a condition in which white bands stretch across the entire nail from side to side.

Ridges on the toenails of a man who had Covid three months prior. CMAJ 2. Ridges. Similar subtle ridges in the nails – medically called beau lines – have been reported in Covid patients.