Why do nails turn black without injury?
Why do nails turn black without injury?
An underlying medical condition: This may include anemia, diabetes, heart disease, or kidney disease. Fungal infections: While these often look white or yellow, fungal infections can sometimes cause black toenails from debris buildup.
Do fingernails show signs of arthritis?
RA may even lead to changes in your nails, such as the development of vertical ridges or a yellowing and thickening. Changes to your nails can be signs of RA or other systemic conditions and should be diagnosed by a doctor. Most nail changes from RA do not need to be treated independently from the condition.
Why are my nails getting dark lines?
Melanonychia is caused when the pigment cells, called melanocytes, deposit melanin into the nail. Melanin is a brown colored pigment. These deposits are usually grouped together. As your nail grows, it causes the stripe of brown or black to appear on your nail.
Why is there a black line in my nail?
This condition is called a splinter hemorrhage because it may look like a wood splinter under your nail. The condition is caused by damaged small blood vessels underneath your nail.
What causes lines in fingernails?
The bottom line Ridges in the fingernails are often normal signs of aging. Slight vertical ridges commonly develop in older adults. In some cases, they may be a sign of health problems like vitamin deficiencies or diabetes. Deep horizontal ridges, called Beau’s lines, may indicate a serious condition.
What does it mean to have a dark line on your fingernail?
A narrow black line that has formed vertically underneath your nail is called a splinter hemorrhage. It occurs for a variety of reasons and may be harmless or a sign of a more serious health condition. This condition is called a splinter hemorrhage because it may look like a wood splinter under your nail.
Are black lines on nails normal?
It occurs for a variety of reasons and may be harmless or a sign of a more serious health condition. This condition is called a splinter hemorrhage because it may look like a wood splinter under your nail. The condition is caused by damaged small blood vessels underneath your nail.
What does a line on your nail mean?
Why is there a black line under my fingernail?
Black line on the nail A narrow black line that has formed vertically underneath your nail is called a splinter hemorrhage. It occurs for a variety of reasons and may be harmless or a sign of a more serious health condition. This condition is called a splinter hemorrhage because it may look like a wood splinter under your nail.
How do you get rid of black lines on your nails?
Most causes of black lines on the nail do not require treatment. Melanoma is an exception. A doctor will usually first remove the area of melanoma as well as the skin under the fingernail. A doctor can perform a skin graft over the fingernail to improve the finger’s appearance post-surgery.
What does it mean when you have lines on your fingernails?
The decolorization is usually in a stripe that starts at the bottom of your nail bed and continues to the top. It may be in one nail or several. These lines can be a natural occurrence if you have a dark complexion. No matter what the cause may be, you should always have a doctor check any melanonychia.
Why do I have red lines under my nails?
Red lines that may develop under your nails are also an indicator that something could be wrong. These red lines, called splinter hemorrhages, can be the result of a heart infection that have caused capillaries to burst. We’ll take a closer look at these later.
