What's Causing That Black Line on Your Nail - Healthline
网页2024年2月5日 · 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 health...
Black Line on Nail: Causes, Treatment, and More - Verywell Health
网页2023年8月1日 · 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.
Black line on the nail: Causes, treatments, and pictures
网页2024年4月24日 · 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.
Melanonychia: What It Is, Causes, and More - Healthline
网页2023年10月3日 · 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.
What Is Melanonychia? What Causes It and How It's Treated - WebMD
网页2023年7月23日 · Melanonychia is a brown or black color in your nail. It can affect your fingernails or toenails. It can be in one nail, a few nails, or all of your nails. Melanonychia can have many...
Black Line on Nails: Causes, Treatment, and More - Healthgrades
网页2022年10月30日 · A black line on the nail describes a narrow, longitudinal stripe that forms under the nail plate. It often results from splinter hemorrhages, longitudinal melanonychia, and, in some cases, subungual melanoma. Doctors often diagnose the cause of nail marks by examining the nails and reviewing your medical history.
Ridges in Nails: Horizontal, Vertical, Causes & Treatment
网页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.
What is Longitudinal Ridging? - News-Medical.net
网页2022年9月6日 · Longitudinal melanonychia, which describes black-brown vertical lines in the nail plate, could indicate a wide range of illnesses, including trauma, infections from...
What Causes Those Vertical Black Lines on Nails? - POPSUGAR
网页2024年1月30日 · 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...
Ridges in fingernails: Types, causes, and treatment - Medical News Today
网页2023年11月30日 · Vertical ridges in the fingernails are the most common and are typically harmless. Alternatively, horizontal ridges often point to an underlying condition. A thorough diagnosis can help people...