
Your nails can reveal a lot about your health. Changes in nail colour, shape or texture can indicate an underlying health condition. For example, nails with a bluish tint could mean the body isn't getting enough oxygen, which could be a sign of a lung problem or heart disease. Dry, brittle nails that frequently crack or split have been linked to thyroid disease. White nails could be a sign of trauma, anemia, dietary deficiencies, heart or kidney disease, or even poisoning.
| Characteristics | Values |
|---|---|
| Bluish tint | Could indicate a lung problem, such as emphysema, or a heart problem |
| Rippled or pitted surface | May be an early sign of psoriasis or inflammatory arthritis |
| Reddish-brown discolouration | Common |
| Dry, brittle nails that frequently crack or split | Linked to thyroid disease |
| Cracking or splitting with a yellowish hue | Likely due to a fungal infection |
| White nails | Could be the result of trauma, anemia, dietary deficiencies, heart or kidney disease, or poisoning |
| Nails with white colour and darker rims | Could indicate liver problems, such as hepatitis |
| Lunulae with a bluish tint | Could suggest Wilson's disease, a rare inherited genetic disorder in which copper accumulates in the liver, brain and other organs |
| Red lunulae | May indicate heart failure |
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What You'll Learn

Nail colour
Your nails can reveal a lot about your health. Changes in nail colour, shape, or texture can indicate an underlying health condition. Most nail changes are nothing to worry about, but some abnormalities could be a cause for concern.
White nails, also known as leukonychia, can be caused by several factors, including trauma, anemia, dietary deficiencies, heart or kidney disease, or even poisoning. Nails with a bluish tint can mean the body isn't getting enough oxygen, which could indicate a lung problem, such as emphysema, or a heart problem. Red lunulae may also indicate heart failure.
If the nail surface is rippled or pitted, this may be an early sign of psoriasis or inflammatory arthritis. Discolouration of the nail is common; the skin under the nail can seem reddish-brown. Dry, brittle nails that frequently crack or split have been linked to thyroid disease. Cracking or splitting combined with a yellowish hue is more likely due to a fungal infection.
It's important to pay attention to any changes in your nails and seek medical advice if you're concerned.
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Nail shape
Your nails can reveal a lot about your health. Changes in nail shape, texture or colour can indicate an underlying health condition. While most nail changes are nothing to worry about, some abnormalities could be a cause for concern.
Nails that are pitted or rippled could be a sign of psoriasis or inflammatory arthritis. If the nail surface is pitted, it could be an early sign of psoriasis. If it is rippled, it could indicate inflammatory arthritis. Discolouration of the nail is also common and can be a sign of disease in the body. For example, nails with a bluish tint can mean the body isn't getting enough oxygen, which could indicate a lung or heart problem.
Dry, brittle nails that frequently crack or split have been linked to thyroid disease. If the cracking or splitting is combined with a yellowish hue, it is more likely to be caused by a fungal infection. Nails that are mostly white with darker rims can indicate liver problems, such as hepatitis. A touch of white on the nails, known as leukonychia, could be the result of trauma, anemia, dietary deficiencies, heart or kidney disease, or even poisoning.
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Nail texture
Your nails can reveal a lot about your health. Changes in nail texture, shape, or colour can indicate an underlying health condition. Most nail changes are nothing to worry about, but some abnormalities could be a cause for concern.
It is important to pay attention to any changes in your nail texture and seek medical advice if you are concerned. While most nail changes are benign, some can indicate a more serious underlying health condition. Therefore, it is always best to consult a doctor if you notice anything unusual about your nails.
In addition to nail texture, changes in nail colour can also provide clues about your health. For example, nails with a bluish tint can indicate a lung problem or heart disease, as it may mean the body isn't getting enough oxygen. White nails, also known as leukonychia, can be a sign of trauma, anemia, dietary deficiencies, heart or kidney disease, or even poisoning. If the nails are mostly white with darker rims, this can indicate liver problems.
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Bluish nails
Your nails can reveal a lot about your health. Bluish nails can mean that your body isn't getting enough oxygen, which could indicate a lung problem such as emphysema. Heart problems can also be associated with bluish nails. In addition, lunulae that have a bluish tint could suggest Wilson's disease, a rare inherited genetic disorder in which copper accumulates in the liver, brain and other organs.
Nail changes are usually nothing to worry about, but some abnormalities could indicate a medical problem. Changes in nail shape, texture, or colour can be caused by poor nail hygiene, ageing, lung disease, psoriasis, and more. If you notice anything different about your nails, it's best to see a doctor as soon as possible.
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White nails
Your nails can reveal a lot about your health. Changes in nail shape, texture or colour can indicate an underlying health condition. While most nail changes are nothing to worry about, some abnormalities could be a cause for concern.
If you notice any changes in your nails, it is important to see a doctor as soon as possible. While it may be nothing, it could also be a sign of a more serious health condition.
Other nail colours and conditions can also indicate health problems. For example, 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. Rippled or pitted nails may be an early sign of psoriasis or inflammatory arthritis, while dry, brittle nails that frequently crack or split have been linked to thyroid disease.
In addition to colour changes, other nail abnormalities can also indicate health problems. For example, chronic paronychia is a condition that causes inflammation, redness, tenderness, and swelling of the skin folds and tissues surrounding the nails. This condition can be quite painful and may require medical treatment.
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Frequently asked questions
Nails with a bluish tint can mean the body isn't getting enough oxygen. This could indicate a lung problem, such as emphysema, or a rare inherited genetic disorder called Wilson's disease. Some heart problems can also be associated with bluish nails.
White nails, also known as leukonychia, could be the result of trauma, anemia, dietary deficiencies, heart or kidney disease, or even poisoning. If the nails are mostly white with darker rims, this can indicate liver problems, such as hepatitis.
Dry, brittle nails that frequently crack or split have been linked to thyroid disease.
If the nail surface is rippled or pitted, this may be an early sign of psoriasis or inflammatory arthritis.









































