Black line on nail

A small black line that forms vertically underneath your nail may be asplinter hemorrhage, while horizontal lines may be melanonychia. These may be harmless or a sign of a more serious health condition. As the name suggests, splinter hemorrhages look like a wood splinter under your nail.

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What does stage 1 nail melanoma look like?
What vitamin deficiency causes black nails?
Should I worry about melanonychia?
Should I worry about splinter hemorrhages?
Is a black line on a nail always melanoma?
How long can you have melanoma and not know it?
What does a black line on a nail mean?
What do B12 deficiency nails look like?
What do liver failure nails look like?
How to get rid of black lines on nails?

What does stage 1 nail melanoma look like?

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 health condition. As the name suggests, splinter hemorrhages look like a wood splinter under your nail.

What vitamin deficiency causes black nails?

The most common symptom of subungual melanoma is a discolored line that appears on your nail. It's usually brown or black and runs from top to bottom (vertical). In some cases, the line can be irregularly shaped and increase in length and width over time.

Should I worry about melanonychia?

Nail hyperpigmentation is associated with vitamin B12 deficiency and its reversal on B12 supplementation is well reported in the literature.

Should I worry about splinter hemorrhages?

It is most commonly seen in those with darker skin, although it can be found in lighter skinned individuals as well. While most of the time melanonychia is considered a normal finding, it could also be a sign of an underlying melanoma.

Is a black line on a nail always melanoma?

When to Contact a Medical Professional. Contact your provider if you notice splinter hemorrhages and you haven't had any recent injury to the nail. Splinter hemorrhages most often appear late in endocarditis. In most cases, other symptoms will cause you to visit your provider before splinter hemorrhages appear.

How long can you have melanoma and not know it?

A black line on the nail could be normal, such as when it is just a color variation. Other possible causes range from injury or taking certain medications to various health conditions like human immunodeficiency virus (HIV) and melanoma.

What does a black line on a nail mean?

Melanoma is more aggressive and can spread quickly. However, it can still go unnoticed for months or even years, particularly if it develops in less visible areas like the scalp, back, or under nails. Early-stage melanomas might look like ordinary moles, making them easy to overlook.

What do B12 deficiency nails look like?

What deficiency causes black lines on nails? Deficiencies in vitamin B12, vitamin D, and protein can cause dark lines in nails. Other causes can include cancer, too much iron, and other health conditions.

What do liver failure nails look like?

Nail changes in vitamin B₁₂ deficiency present as hyperpigmentation of nails like bluish discoloration of nails, blue-black pigmentation with dark longitudinal streaks, and longitudinal and reticulate darkened streaks. The nail pigmentation associated with B₁₂ deficiency is more frequent in patients with dark skin.

How to get rid of black lines on nails?

Terry's nails is a type of nail discoloration. The nailbeds look “washed out,” except for a thin reddish-brown strip near the tip. Often, Terry's nails is a symptom of a chronic condition, such as liver failure or diabetes.