More seriously, a black line or lines on the nails can indicate the presence of melanoma, a dangerous form of skin cancer. Melanoma under a fingernail is known as subungual melanoma.

A narrow, vertical black line on your nail is called a splinter hemorrhage. Lines that create a horizontal stripe are called Beau's lines.

Black or dark lines can develop on your nails for many reasons. Causes include regular pigmentation changes, injury, certain ...

A black line on your nail may be a sign of regular pigmentation changes, injury, certain medications, or conditions like melanoma or hyperthyroidism. Skip to content Health ...

Melanonychia occurs when you have brown or black lines in your nails. Learn about melanonychia, including the types and causes. ... A dark vertical line on the nail can indicate nail melanoma.

Not all marks on your nails are cause for alarm. "A black line that extends longitudinally from the cuticle to the free edge of the nail is often pigment," board-certified dermatologist Joshua ...

A black line in your nail can be a sign of melanoma, or it can be a normal part of your nail bed. A woman's story can help you identify the difference. May 1, 2019, 10:00 AM EDT / Updated May 1 ...

Black lines: Black lines on nails indicate a lack of vitamin C, zinc and other nutrients in the body. For this, eat food rich in nutrients. Yes, if there is bleeding or pain from the nail lines, ...

Woman shares warning that 'black line on nail' could be sign of cancer. The NHS advises you get any dark lines on your nails checked by doctors. Rachel Hosie. Tuesday 22 August 2017 11:36 BST.

Ohio Mom Discovers Cancer Deep in Her Thumb — and the Only Sign Was 2 Thin Lines on Her Nail Michelle Tagliamonte, 58, was getting a manicure when she noticed two black lines, which signaled the ...