Liam Carter
Pale or white nails can indicate a number of health issues, from anaemia to liver disease. Nails with a bluish tint can mean the body isn't getting enough oxygen, which could be a sign of a lung problem, such as emphysema, or a heart problem. Yellow nails may indicate a fungal infection or psoriasis, while a greenish-black discolouration can be a sign of a bacterial infection.
| Characteristics | Values |
|---|---|
| Pale or white nails | Anaemia or liver disease |
| Yellow nails | Fungal infection, thyroid disease, lung disease, diabetes or psoriasis |
| Bluish nails | Poor circulation, respiratory issues, emphysema, or heart problems |
| Greenish-black nails | Bacterial infection |
| White spots on nails | Zinc or iron deficiency, injury to the nail bed, arthritis, or blood poisoning |
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What You'll Learn
Anaemia
Pale nail beds can be a sign of anaemia, a condition where your body doesn't have enough healthy red blood cells to carry oxygen around your body. Anaemia can be caused by a lack of iron, folate or vitamin B12 in your diet, or it can be caused by conditions such as kidney disease or liver disease.
It's important to note that pale nail beds can also be a sign of other health issues, such as liver disease or kidney disease. If you are concerned about the colour of your nail beds, you should speak to your doctor.
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Liver disease
Pale or white nails can indicate anaemia or liver disease. If the nails are partly or entirely white with a pink band at the top of the nail bed, this is called Terry's nails and it may signify a serious health anomaly. Terry's nails usually indicate that the body's veins have changed beneath the nail and can be a sign of protein deficiency, chronic kidney failure, cirrhosis of the liver, congestive heart failure or anaemia.
In addition to liver disease, pale nails can also be a sign of anaemia. Anaemia occurs when the body does not have enough red blood cells or haemoglobin, which are responsible for carrying oxygen around the body. This can lead to a reduced oxygen supply to the body's tissues, including the nails, resulting in a pale appearance.
Additionally, liver disease can cause nutrient deficiencies that can affect nail colour. For example, cirrhosis of the liver can lead to malabsorption of nutrients, including iron and vitamin B12, which are essential for nail health. A deficiency in these nutrients can result in brittle, thin, or pale nails.
It is important to note that pale nails can also be caused by other factors, such as nutrient deficiencies, exposure to certain chemicals, or underlying health conditions. Therefore, if you notice persistent paleness or other changes in your nails, it is advisable to consult a healthcare professional for a proper diagnosis.
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Kidney disease
Pale nails can be a sign of anaemia or liver disease. However, if you are experiencing kidney disease, you may notice that your nails develop a half-and-half appearance, with the white lunula extending halfway up the nail bed, and the other half of the nail appearing darker in colour. This is a common symptom of severe kidney disease.
The lunula is the white half-moon shape at the base of the nail, and it usually indicates good blood circulation and overall nail health. In healthy nails, the lunula is clearly visible, and the nail has a pinkish hue. However, when the lunula extends further up the nail bed, it can be a sign of a health issue.
In the case of kidney disease, this half-and-half nail appearance is known as Terry's nails. It suggests that there have been changes to the veins beneath the nail and can indicate chronic kidney failure. Other potential causes of Terry's nails include protein deficiency, cirrhosis of the liver, congestive heart failure, and anaemia.
It is important to note that nail changes can be caused by various factors and may not always indicate a serious health problem. If you are concerned about any changes in your nail appearance, it is best to consult a doctor for a proper diagnosis. They will be able to evaluate your overall health and determine if any underlying conditions are causing the nail changes.
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Psoriasis
Pale or white nails can indicate anaemia or liver disease. However, if your nails are pitted or dimpled, this could be a sign of psoriasis. Psoriasis is a chronic skin disease that can cause nail discolouration, usually yellowing. In rare cases, it can also cause the nail bed to retract, and nails to thicken and crumble.
If you are concerned about the appearance of your nails, you should consult a doctor.
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Thyroid disease
Pale nails can indicate anaemia or liver disease. However, yellow nails can indicate thyroid disease.
Nail findings are helpful in the early diagnosis of thyroid disorders and are therefore important for dermatologist education. While nail changes with thyroid disease have not been well studied, it is known that having too much or too little thyroid hormone can affect the appearance of your nails.
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Frequently asked questions
Pale nail beds can indicate anaemia or liver disease.
If the nail beds are partly or entirely white with a pink band at the top, this is called Terry's nails and may indicate protein deficiency, chronic kidney failure, cirrhosis of the liver, congestive heart failure or anaemia.
Nails that are dimpled or pitted can point to psoriasis, a chronic skin disease. Yellow nails may indicate a fungal infection, thyroid disease, lung disease, diabetes or psoriasis. Bluish nails can mean the body isn't getting enough oxygen and could be a sign of a lung problem, such as emphysema, or a heart problem.
