Ava Monroe
Discoloured nails can be an important source of health information. Nail discolouration can signal disease, with different colours indicating different health issues. For example, abnormally white nails may be a sign of anaemia or kidney problems, while deep blue nail beds could indicate pulmonary obstruction or emphysema. Yellow nails, which are often caused by tobacco staining, may suggest liver problems, diabetes, or even cancer. In addition to colour, the shape and texture of nails can also provide clues about a person's health. Bendable nails, for instance, could be a sign of rheumatoid arthritis, while thick nails may indicate poor blood circulation.
| Characteristics | Values |
|---|---|
| White nails | Anaemia or kidney problems |
| Deep blue nail beds | Pulmonary obstruction or emphysema |
| Yellow nails | Tobacco staining, liver problems, diabetes, respiratory disorders, problems with the lymphatic system, renal disease, syphilis, cancer or exposure to toxins |
| Thick nails | Poor blood circulation |
| Spoon-shaped nails | Vitamin B12 deficiency, thyroid problems, impaired kidneys, poor circulation |
| Bendable nails | Rheumatoid arthritis |
| Bluish tint | Lack of oxygen, lung or heart problems |
| Rippled or pitted nails | Psoriasis or inflammatory arthritis |
| Dry, brittle nails | Thyroid disease |
| Cracking or splitting nails with a yellowish hue | Fungal infection |
| Horizontal ridges | Beau's lines, marking a period of disease |
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What You'll Learn
White nails can be a sign of anaemia or kidney problems
Discoloured nails can signal disease. White nails can be a sign of anaemia or kidney problems. Anaemia is a condition in which the body does not have enough healthy red blood cells to carry oxygen to the body's tissues. Kidney problems can be caused by a variety of factors, including infection, injury, or disease.
White nails can also be a sign of liver problems, diabetes, respiratory disorders, problems with the lymphatic system, renal disease, syphilis, cancer, or exposure to toxins. Thick nails may indicate that blood is not circulating properly, and spoon-shaped nails (a condition called koilonychias) may result from vitamin B12 deficiency, which can also make nails brittle.
Other signs of disease in nails include bluish tints, which can mean the body isn't getting enough oxygen and could indicate a lung problem such as emphysema or a heart problem. Bendable nails may be a sign of rheumatoid arthritis, and rippled or pitted nails may be an early sign of psoriasis or inflammatory arthritis. Dry, brittle nails that frequently crack or split have been linked to thyroid disease, and cracking or splitting combined with a yellowish hue is likely due to a fungal infection.
Nails can reveal information beyond clues about current health, as evidence of serious disease or physical or emotional trauma may show up in the nails. For example, horizontal ridges in the nail, called Beau's lines, can mark the period of disease.
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Blue nails can indicate pulmonary obstruction or emphysema
Discoloured nails can be an important source of health information. Deep blue nail beds can signal pulmonary obstruction or emphysema. This is because bluish nails can mean the body isn't getting enough oxygen, which could indicate a lung problem. However, it is important to note that bluish nails can also be associated with some heart problems.
Nail discolouration can signal disease. For example, abnormally white fingernails may be due to anaemia or kidney problems, while yellow nails, often a result of tobacco staining, may suggest liver problems, diabetes, respiratory disorders, problems with the lymphatic system, renal disease, syphilis, cancer or exposure to toxins. Thick nails may indicate that blood is not circulating properly and spoon-shaped nails (a condition called koilonychias from the Greek ‘koilo’ for spoon) may result from vitamin B12 deficiency, which, along with thyroid problems, impaired kidneys and problems with circulation, can also make nails brittle.
Serious illness and physical or emotional trauma can hinder or even fully arrest nail growth, resulting in horizontal ridges in the nail (called Beau’s lines) marking the period of disease.
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Yellow nails may suggest liver problems, diabetes, or a respiratory disorder
Yellow nails can be a warning sign of a number of serious health issues. While they are often caused by tobacco staining, yellow nails can also suggest liver problems, diabetes, or a respiratory disorder. In addition, yellow nails may indicate problems with the lymphatic system, renal disease, syphilis, cancer, or exposure to toxins.
Yellow nails that are also dry, brittle, and prone to cracking or splitting are more likely to be the result of a fungal infection. Thick nails that are yellow may indicate that blood is not circulating properly.
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Thick nails can mean poor blood circulation
Discoloured nails can be an important source of health information. Thick nails may indicate that blood is not circulating properly. This could be a sign of poor blood circulation, which can be caused by a variety of factors, including heart problems or peripheral artery disease. Poor blood circulation can lead to a reduced supply of oxygen and nutrients to the nails, causing them to thicken.
Thick nails can be a sign of peripheral artery disease, which is a condition that affects the blood vessels in the legs and feet. It occurs when plaque builds up in the arteries, reducing blood flow to the extremities. This can cause the nails to thicken and become discoloured. Peripheral artery disease is often associated with other circulatory problems, such as high blood pressure and diabetes.
In some cases, thick nails may also be a sign of heart problems, such as congestive heart failure or coronary artery disease. These conditions can lead to reduced blood flow throughout the body, including to the nails, resulting in thickened nail beds. Additionally, thick nails can be a symptom of Raynaud's disease, which is a condition that affects the blood vessels in the hands and feet. It causes the blood vessels to narrow, reducing blood flow and leading to thickened nails and other symptoms such as pain and numbness in the extremities.
While thick nails can be a sign of poor blood circulation, it is important to note that there are other potential causes as well. For example, thick nails can also be caused by fungal infections, which can lead to the overgrowth of nail tissue. Additionally, certain medical conditions, such as psoriasis or thyroid disease, can also cause nail thickening. Therefore, if you notice that your nails are thickening, it is important to consult a healthcare professional for a proper diagnosis and treatment.
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Spoon-shaped nails can be a result of vitamin B12 deficiency
Spoon-shaped nails, or koilonychias, can be a result of vitamin B12 deficiency. This condition gets its name from the Greek word 'koilo', meaning spoon. Vitamin B12 deficiency can also cause thyroid problems, impaired kidneys and problems with circulation, which can make nails brittle.
Nails can be an important source of health information, revealing clues about current health and general grooming practices. For example, very bendable nails may be a sign of rheumatoid arthritis, while bluish nails can indicate that the body isn't getting enough oxygen, which could be a sign of a lung problem such as emphysema, or a heart problem. If the nail surface is rippled or pitted, this may be an early sign of psoriasis or inflammatory arthritis.
Nail discolouration can also signal disease. Abnormally white fingernails may be due to anaemia or kidney problems, while yellow nails, often a result of tobacco staining, may suggest liver problems, diabetes, respiratory disorders, problems with the lymphatic system, renal disease, syphilis, cancer or exposure to toxins. Thick nails may indicate that blood is not circulating properly.
Serious illness and physical or emotional trauma can also hinder or even fully arrest nail growth, resulting in horizontal ridges in the nail (called Beau's lines) marking the period of disease.
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Frequently asked questions
Discoloured nails can be a sign of disease. White nails may be due to anaemia or kidney problems, deep blue nail beds could signal pulmonary obstruction or emphysema, and yellow nails may suggest liver problems, diabetes, respiratory disorders, or exposure to toxins.
Bendable nails may be a sign of rheumatoid arthritis.
Thick nails may indicate that blood is not circulating properly.
