What's Causing That Black Line on Your Nail - Healthline
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...
Melanonychia: What It Is, Causes, and More - Healthline
2023年10月3日 · Having a dark line on your fingernails or toenails is called melanonychia. The lines are brown or black and usually look like a stripe that begins at the bottom of your nail bed and continues...
Black line on the nail: Causes, treatments, and pictures
2024年4月24日 · Most black lines on the fingernails and toenails are not cause for concern. These lines are fairly common among people with darker skin tones. However, they can be a sign of subungual melanoma.
Black Line on Nail: Causes, Treatment, and More - Verywell Health
2023年8月1日 · Melanonychia is the most common cause of a black line on a nail. This condition is characterized by black or brown discoloration of the nail plate. It can affect just one nail or multiple nails on the fingers and toes. It accounts for nearly half of all cases of nail discoloration.
7 fingernail problems not to ignore - Mayo Clinic
2023年6月30日 · Nail separation. In a condition called onycholysis, the fingernails come loose and can separate from the nail bed. The separated part of the nail becomes cloudy with a white, yellow or green tint. Sometimes detached nails are due to an injury or an infection.
What Is Melanonychia? What Causes It and How It's Treated - WebMD
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 different...
Black Line on Nail (Melanonychia): Causes & Treatments - Health
2024年10月10日 · 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...
Brown Line on Nails: Vitamin Deficiencies and Other Causes
2023年9月1日 · This article will cover the causes of longitudinal melanonychia, what happens in nail cells that cause the black or brown lines, the symptoms of melanonychia, as well as how the nail condition is diagnosed and treated.
Melanonychia: Causes, treatments, and diagnosis - Medical News Today
2024年7月22日 · The discoloration can occur in one or more digits. It can present as a single dark band or streak or involve the entire nail. There are many possible causes, so an accurate diagnosis is vital.
Melanonychia - DermNet
Melanonychia is brown or black discolouration of a nail. It may be diffuse or take the form of a longitudinal band. Benign longitudinal melanonychia. See more images of melanonychia. Who is at risk of melanonychia? Melanonychia can present in individuals of all ages, including children, and affects both sexes equally.