Why are my nails turning black?

by Alexis Till

What causes black toenail? A black toenail may be caused by: 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.

What disease causes black fingernails?

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.

What do fingernails look like with liver disease?

Nails that are entirely white except for a small band of pink or brown at the tip are called Terry’s nails. They’re most often seen in people with severe liver disease. Nails that are half white and half dark are called Lindsay’s nails. They’re most often associated with kidney disease.

What does dark nails mean?

Dark spots or streaks rather than full discoloration of the nails may be caused by bruising, psoriasis, melanoma (a type of skin cancer), chronic infections, and medications such as from cancer chemotherapy. Treatment of the darkened nails will depend on what’s causing the discoloration in the first place.

What causes brown discoloration of fingernails?

The brown discoloration is due to a condition called “melanonychia,” which occurs when the nail has excess melanin, a dark brown or black pigment that colors the hair, skin and iris of the eye.

What does discoloration of nails indicate?

Drugs, infections, and diseases can cause discoloration of the nails (chromonychia). For example, infection with Pseudomonas bacteria can cause a greenish discoloration (see Green Nail Syndrome). The doctor can often make the diagnosis of nail dystrophies caused by a fungus by examining the nails.

Are black nails normal?

Linear melanonychia is considered a normal fingernail color variation. The condition occurs when pigments in the nail known as melanocytes make excess pigment. This causes the nail beds to darken.

How do you get rid of brown nails?

To use white vinegar to get rid of the stain, in one cup of warm water add one teaspoon to one tablespoon of distilled white vinegar. Soak your nails for about eight minutes and then rinse your hands under lukewarm water. After patting your hands with a clean towel apply a dollop of moisturizing cream or lotion.

How do you treat black nails?

Over-the-counter ointments, creams, and polishes are usually effective. Severe cases may require a prescription antifungal treatment. If a black toenail is caused by an injury, the resulting spot from broken blood vessels will disappear once your nail grows out.

What diseases can you tell from your fingernails?

Nail health Possible cause
———— —————————————————————-
soft or weak overexposure to moisture or chemicals
yellow thyroid conditions, psoriasis, or diabetes
black lines psoriasis, endocarditis, nail melanoma
ridges iron deficiency anemia (vertical) or kidney disease (horizontal)

Can fingernails show signs of illness?

Did you know your nails can reveal clues to your overall health? A touch of white here, a rosy tinge there, or some rippling or bumps may be a sign of disease in the body. Problems in the liver, lungs, and heart can show up in your nails.

What happens if your fingernail turns black?

It is common for a nail to turn black after an injury. The black or purple-black color is caused by blood under the nail and will go away as the injury heals. Black, brown, or purple discoloration under a nail that has not been injured may be caused by melanoma.

What do renal failure nails look like?

Half-and-half nails, absence of lunula, and splinter hemorrhage are the most frequent nail alterations in patients with chronic renal failure. Half-and-half nails, or Lindsay’s nails, are characterized by a red, pink, or brown discoloration of the distal nail bed occupying 20%-60% of the nail length.

What Brown nails mean?

If you have brown fingernails and the discoloration is round, as opposed to linear, it could be another condition. For example, brown spots on nails, especially if they’re pitted, could be a sign of nail psoriasis. Course of action: Get any brown pigmentation on your nail checked out by a dermatologist.

What does discoloration of the nails mean?

Drugs, infections, and diseases can cause discoloration of the nails (chromonychia). For example, infection with Pseudomonas bacteria can cause a greenish discoloration (see Green Nail Syndrome). The doctor can often make the diagnosis of nail dystrophies caused by a fungus by examining the nails.

What do ridges in your fingernails say about your health?

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.

Does liver disease affect fingernails?

Fingernails: Possible problems Terry’s nails can sometimes be attributed to aging. In other cases, Terry’s nails can be a sign of a serious underlying condition, such as liver disease, congestive heart failure, kidney failure or diabetes.

Do black fingernails go away?

It is common for a nail to turn black after an injury. The black or purple-black color is caused by blood under the nail and will go away as the injury heals.

What can a doctor tell by looking at your fingernails?

Did you know your nails can reveal clues to your overall health? A touch of white here, a rosy tinge there, or some rippling or bumps may be a sign of disease in the body. Problems in the liver, lungs, and heart can show up in your nails.

How long does a black fingernail last?

The discolored nail will eventually grow out — or in some cases it may fall off or need to be removed — and be replaced by a new, healthy one. This could take anywhere from about eight weeks for a fingernail to six months for a toenail.

Why are my nails turning black?

What causes black toenail? A black toenail may be caused by: 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.

Related Articles

Leave a Comment