What Your Nails Say About Your Health (2024)

FAQs

What Your Nails Say About Your Health? ›

Not enough oxygen in your bloodstream can cause blue nails. Liver disease and diabetes can cause white nails. Anemia causes pale nails. Kidney disease can cause half pink and half white nails.

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.

Changes in nail shape and texture

Iron deficiency or overproduction may cause the nail bed's center to look like it had been scooped out, a condition known as spoon nails. Cardiovascular, pulmonary and gastrointestinal problems may also appear in the nails as curves around an enlarged fingertip, known as clubbing.

See your doctor if you have any of these symptoms: discoloration (dark streaks, white streaks, or changes in nail color) changes in nail shape (curling or clubbing) changes in nail thickness (thickening or thinning)

2 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.

Hapalonychia (soft nails) has been associated with deficiencies of vitamins A and D among other causes. Longitudinal melanonychia of the nail plate has been reported in vitamin D deficiency.

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.

If you're diagnosed with renal disease, you may notice a white streak or pale band forming horizontally across your nail plate. This is referred to as Muehrcke's nails¹ or line, named after Robert C. Muehrcke, the physician who described the condition.

In some people with diabetes, the nails take on a yellowish hue and become brittle. This is often associated with the breakdown of sugar and its effect on the collagen in nails. In certain cases, this yellowing of nails can be a sign of a nail infection.

What do nails look like with high cholesterol? ›

When the extra cholesterol narrows or blocks your arteries, it limits the blood flow to various parts of your body, including your nails. This can leave your nails with dark lines underneath them. These are thin, red to reddish-brown lines under your nails, as per MedlinePlus.

Koilonychia is an abnormal shape of the fingernail. The nail has raised ridges and is thin and curved inward. This disorder is associated with iron deficiency anemia. Leukonychia is white streaks or spots on the nails often due to drugs or disease.

Blue nails may indicate that the blood is not carrying enough oxygen to the fingertips. There are many possible causes, including heart and lung diseases. Anyone with blue nails should seek medical advice. In some cases, fingernails turn blue or purplish because of cyanosis, which can also affect the lips and skin.

Choose soak-off gel nails instead of acrylic nails.

While gel nails can cause nail brittleness, peeling, and cracking, they're more flexible than acrylic nails. This means your own nails are less likely to crack.

Healthy nails are generally pink. Very pale nails may indicate illnesses, such as anemia, congestive heart failure or liver disease. Poor nutrition also may be a culprit. It's a good idea to get very pale nails checked by a doctor.

Zinc is an essential mineral for cell multiplication and protein absorption, functions that are important for thick, lustrous hair. White spots on the nails - sometimes called Beau's lines - are one of the important signs of a zinc deficiency. Nails can grow slowly, become brittle and break easily.

People who have advanced kidney disease can develop: A white color on the upper part of one or more nails and a normal to reddish brown color below, as shown here (half-and-half nails) Pale nails. White bands running across one or more nails (Muehrcke's nails)

Nail psoriasis is an autoimmune disease that causes discoloration, pitting and changes in the structure of your nails. It can make you feel self-conscious, though you can buff your nails and apply nail polish to improve their appearance. Nail psoriasis isn't contagious, and treatments can help your symptoms improve.