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A small black line that forms vertically underneath your nail may be a splinter hemorrhage, while horizontal lines may be melanonychia. These may be harmless or a sign of a more serious...
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.
A black line on the nail could have multiple causes, from injury to melanonychia. Here’s everything you need to know to take care of vertical black lines.
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...
Beau's lines are grooves that run across the nails. They can appear when nail growth temporarily stops due to injury or illness. Beau's lines may be caused by: Infections. Diabetes that is not well controlled.
A dark vertical line on the nail can indicate nail melanoma. It can also occur with other benign causes and requires diagnosis by a healthcare professional.
A black line on your nail (medically known as melanonychia) causes a streak of dark pigmentation that runs along the nail bed. It can be a normal color variation, especially in people with...
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. Ridges in your nails can be a sign of a health condition or a previous injury to your nail.
According to Healthline, a splinter hemorrhage is a "narrow black line that has formed vertically underneath your nail." It can look black or reddish brown in color, doesn't change appearance...
There are a few different things that can cause splinter hemorrhages to form underneath the nails. "It is [typically] caused by damaged blood vessels underneath your nail," Lee says. "Black lines ...