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...
Pictures of Toenail Colors and What They Mean - WebMD
网页Black Toenail: Common Causes. If your toenail turns black, it’s most likely a bruise under the nail, technically called a subungual hematoma. You can get it from stubbing a toe or from...
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.
Black Line on Nail: Causes, Treatment, and More - Verywell Health
网页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.
Melanonychia: What It Is, Causes, and More - Healthline
网页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...
What Do Dark Vertical Lines in Toenails Mean and How Should …
网页These small black or deep-red lines, looking much like splinters beneath the nail plate, are the result of broken blood vessels caused by blunt trauma or accidental hits to the toenail. The visual is quite dramatic; the dark lines are actually trails left by blood from the damaged vessels under the nail bed.
Is the Black Line on Your Nail Normal or Melanoma? How To tell - TODAY
网页2023年5月1日 · A black line on your nail could be normal or it could be a sign of melanoma. Dermatologists share how to identify skin cancer on the nail.
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, dark stripe under the nail plate. It can be a harmless splinter hemorrhage or point to a more serious underlying condition.
Brown Line on Nails: Vitamin Deficiencies and Other Causes
网页2023年9月1日 · It is the most common type of melanonychia, a medical word for a black or brownish pigmentation of the nail plate (the hard part of toenails or fingernails). Longitudinal melanonychia can have many causes, from harmless pigment deposits or growths to infections, body-wide diseases, or melanoma (skin cancer).
Black Toenail Symptoms, Treatment, and More - Verywell Health
网页2024年8月6日 · Black Toenail Symptoms, Treatment, and More. A black toenail can happen because of an injury that produces a bruise called a subungual hematoma, though it can also have other causes such as a fungal infection, a vitamin deficiency, or a medical condition like diabetes or cancer.