Liam Carter
Changes in nail colour can sometimes indicate underlying health issues. While there are some harmless causes of nails changing colour, some are a warning sign of diseases, infections, anaemia, and even poisoning. For example, dark red nails could signify heart disease, a possible brain haemorrhage, high blood pressure, lung disease, stroke or carbon monoxide poisoning. Pale or white nails can indicate anaemia or liver disease, while bluish nails may indicate poor circulation or respiratory issues. If you notice any changes to your nail colour, it's important to see a board-certified dermatologist.
| Characteristics | Values |
|---|---|
| Normal colour | Skin colour with a pinkish undertone |
| Dark red | Heart disease, brain haemorrhage, high blood pressure, lung disease, stroke, carbon monoxide poisoning |
| Vertical brown or black streak | Kidney disease, melanoma |
| Pale or white | Anaemia, liver disease |
| Blue | Poor circulation, respiratory issues |
| Greenish-black | Bacterial infection |
| Yellow | Fungal infection, psoriasis |
| Dark streak | Melanoma |
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Pale or white nails
While there are some harmless causes of nails changing colour, it can sometimes be a warning sign of diseases, infections, anaemia, or even poisoning. Pale or white nails, also known as Terry's nails, can be a sign of anaemia, poor nutrition, kidney disease, liver disease, or diabetes. If you notice any unexplained changes to the colour of your nails, it is important to see a board-certified dermatologist as soon as possible. They will be able to diagnose and treat any potential issues with your skin, hair, or nails.
In some cases, changes in nail colour can be indicative of underlying health conditions. For example, clear, pale nails can be a sign of anaemia or poor nutrition. This could be a result of not consuming enough iron-rich foods or other nutrients essential for nail health. White nails, on the other hand, are often associated with more serious conditions such as kidney disease, liver disease, or diabetes. These conditions can affect the body's ability to regulate nutrient absorption and blood flow, which can lead to changes in nail colour.
It is important to note that not all nail colour changes are cause for concern. Some people may naturally have paler nails due to genetics or other factors. Additionally, temporary changes in nail colour can occur due to exposure to certain chemicals or environmental factors. For example, frequent exposure to water or cleaning products can cause nails to become pale or white. However, if the colour change is sudden or persists for an extended period, it is always best to consult a medical professional.
If you notice that your nails have become pale or white, there are some steps you can take to improve their appearance and potentially address any underlying issues. Firstly, ensure that you are consuming a balanced diet rich in nutrients such as iron, vitamin B12, and protein. These nutrients are essential for nail health and can help improve nail colour and strength. Additionally, consider using moisturising hand creams and nail oils to hydrate and nourish your nails and cuticles. This can help protect your nails from environmental damage and promote healthy nail growth.
If you are concerned about the colour of your nails, it is always best to consult a dermatologist or healthcare professional. They will be able to assess your nails and determine if there are any underlying health issues that need to be addressed. They may also recommend specific treatments or lifestyle changes to improve the health and appearance of your nails. Remember, early diagnosis and treatment of any potential issues are crucial for maintaining overall health and well-being.
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Dark red nails
While there are some harmless causes of nails changing colour, it can sometimes be a warning sign of diseases, infections, anaemia, or even poisoning. Red nails, for example, could be a sign of possible heart disease or kidney issues. Dark streaks on a fingernail or toenail could also indicate melanoma. If you notice any unexplained changes to your nail colour, it's important to see a board-certified dermatologist as soon as possible. They can help diagnose and treat any potential issues, and early diagnosis often makes treatment easier.
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Bluish nails
While there are some harmless causes of nails changing colour, some are a warning sign of diseases, infections, anaemia, and even poisoning. Bluish nails can be a sign of cyanosis, which is caused by low oxygen levels in the red blood cells. This can be due to various factors, such as lung problems, heart issues, or exposure to cold temperatures. It is important to consult a doctor or a dermatologist if you notice any unexplained changes in your nail colour, as it could indicate an underlying health issue.
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Greenish-black nails
While there are some harmless causes of nails changing colour, some are a warning sign of diseases, infections, anaemia, and even poisoning. Greenish-black nails can be a sign of an underlying health condition, so it is important to see a board-certified dermatologist as soon as possible. Dark streaks on a fingernail or toenail could be indicative of melanoma, so it is important to get them checked out early. Nails can provide valuable life-saving data, so any changes in shape, strength or colour should be taken seriously.
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Yellow nails
While there are some harmless causes of nails changing colour, it can sometimes be a warning sign of diseases, infections, anaemia, or even poisoning. If you notice any changes to your nails, it is important to see a board-certified dermatologist.
Nails can provide valuable life-saving data. If the shape, strength or colour change suddenly, see a doctor as soon as possible. The issue could be a treatable infection or a disease in the early stages.
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Frequently asked questions
This could be a sign of anaemia or liver disease.
This could be a sign of a fungal infection or psoriasis.
This could be a sign of poor circulation or respiratory issues.
This could be a sign of heart disease, a brain haemorrhage, high blood pressure, lung disease, stroke or carbon monoxide poisoning.
