What's Causing That Black Line on Your Nail - Healthline
2024年2月5日 · Black Line on the Nail: Should You Worry? A small black line that forms vertically underneath your nail may be a splinter hemorrhage, while horizontal lines may be melanonychia. These may be...
Black Line on Nail: Causes and When to Worry - 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.
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...
7 fingernail problems not to ignore - Mayo Clinic
2023年6月30日 · Read on to learn about how changes in the way your fingernails look could signal medical concerns that you shouldn't ignore. If you notice these changes, make an appointment with your health care team. Nail pitting is when small round depressions or notches appear in the nails.
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...
Longitudinal Melanonychia: What It Is and Causes - Verywell Health
2023年9月1日 · Nail streaks may be a sign of injury, disease, or cancer. A brown line on the nail is called longitudinal melanonychia or longitudinal striata. 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).
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...
What Causes a Black Line on Your Nail (Melanonychia)? - Health
2024年10月10日 · Black lines can develop on your nails for many reasons, including regular pigmentation changes, injury, certain medications, and underlying health conditions like melanoma or hyperthyroidism.
Black Line on Nails: Causes, Treatment, and More - Healthgrades
2022年10月31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.
Melanonychia (Nail Pigmentation): Causes, Diagnosis, and …
2019年4月12日 · Melanonychia is defined by a dark line on the fingernails or toenails. It can be the sign of a more serious illness, which is why getting a proper diagnosis is essential. A microscopic examination or biopsy is sometimes necessary to determine the cause and treatment options. Finding the root cause of melanonychia is quite a complex process.