What Does A Black Line In Nail Bed Mean

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. Find out what causes this dark line in your nails, when to get medical care, and how melanonychia is treated.

Your nail is made of a hard, clear plate of keratin. A narrow, vertical black line on your nail is called a splinter hemorrhage. Lines that create a horizontal stripe are called Beau's lines.

A black line on a nail may indicate a splinter hemorrhage, tiny blood vessel damage under the nail bed, often caused by trauma, infections, or underlying health conditions like diabetes or endocarditis. While usually harmless, persistent or unexplained lines could signal serious issues like melanoma. Nail hygiene, diet, and protective care help prevent recurrence.

Discover what a black line on the nail could mean-from harmless trauma to serious health concerns like subungual melanoma. Learn the causes, symptoms, treatment options, and when to seek medical attention. A black nail bed can be caused by trauma, such as hitting the nail, prolonged pressure, or nail biting.

This can cause a splinter haemorrhage, which results in a thin, dark line that runs vertically along the nail. A doctor explains the differences between a melanoma black line under the fingernail and a normal one. "Splinters or dark streaks under nails can occur when microscopic areas of bleeding happen and allow blood to.

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 describes a narrow, dark stripe under the nail plate.

It can be a harmless splinter hemorrhage or point to a more serious underlying condition. A black line on your nail may be a sign of regular pigmentation changes, injury, certain medications, or conditions like melanoma or hyperthyroidism.