
Healthy nails are generally pink. However, changes in nail colour and texture can indicate underlying health issues. For example, very pale nails may indicate anaemia, congestive heart disease, or liver disease. Nail discolouration can also be a sign of nutritional deficiencies, infections, or systemic diseases. In addition, horizontal nail ridges, known as Beau's lines, indicate a pause in nail growth and could be related to health issues such as high fever, vitamin deficiency, injury, or diabetes. Therefore, it is important to pay attention to any changes in nail appearance and consult a doctor if you have any concerns.
| Characteristics | Values |
|---|---|
| Normal Colour | Flesh-coloured with white tips and a subtle shine |
| Colour Change | Can indicate an underlying health issue |
| Colour Change to Yellow | Can indicate a fungal infection or psoriasis |
| Colour Change to Greenish-Black | Can indicate a bacterial infection |
| Colour Change to Blue | Can indicate poor circulation or respiratory issues |
| Colour Change to Pale | Can indicate anaemia, congestive heart failure, liver disease or poor nutrition |
| Colour Change to White | Can indicate liver scarring (cirrhosis) or kidney failure |
| Beau's Lines | Horizontal ridges indicating a pause in nail growth, possibly caused by high fever, vitamin deficiency, injury, diabetes, peripheral vascular disease or chemotherapy |
| Curved or "Clubbed" Nails | Can be inherited or associated with lung disease, inflammatory bowel disease, cardiovascular disease or liver disease |
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What You'll Learn

Healthy nails are generally pink
For example, pale or white nails may indicate anaemia or liver disease, while yellow nails can be a sign of a fungal infection or psoriasis. Bluish nails may indicate poor circulation or respiratory issues, and greenish-black discolouration can signal a bacterial infection. Other signs of unhealthy nails include discolouration, pitting, ridges, brittleness, thickening, or a spoon-shaped appearance.
It is important to note that nail changes are rarely the first sign of illness, and other symptoms usually appear first. However, changes in nail colour or texture can provide valuable clues about overall health. For instance, vertical ridges in the nails are often age-related and harmless, while horizontal ridges, known as Beau's lines, indicate a pause in nail growth that could be linked to health issues such as high fever, vitamin deficiency, injury, or peripheral vascular disease.
While healthy nails are typically pink, variations in nail colour can also occur due to external factors such as frequent manicures or dark nail polish stains. It is always advisable to consult a doctor if you have concerns about any changes in your nail colour or texture, as they can provide a more comprehensive assessment and rule out any potential underlying health conditions.
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Pink nails with a white/brown strip may be Terry's nails
Healthy fingernails are typically a pinkish hue, with white tips and subtle shine on the cuticles. However, when nails deviate from this standard appearance, particularly in terms of shape, size, or colour, it may be a sign of an underlying health condition. For instance, pink nails with a white or brown strip may be indicative of Terry's nails.
Terry's nails is a type of nail discolouration where the nail beds appear "washed out" or white, resembling frosted or ground glass, with the exception of a thin reddish-brown strip near the tip. The reddish-brown strip may also appear pink, creating a pink nail with a white or brown strip. This strip is typically between 0.5 and 3 mm wide. People with Terry's nails usually lack the half-moon shape (lunula) near their cuticles.
Terry's nails are often associated with underlying medical conditions, particularly chronic ones such as liver disease, liver failure, or diabetes. They are also linked to congestive heart failure, kidney failure, viral hepatitis, pulmonary tuberculosis, rheumatoid arthritis, disseminated sclerosis, renal failure, and metastatic cancer. In some cases, Terry's nails may develop as part of the natural ageing process, even without any underlying health issues.
If you notice any abnormalities in your nails, it is important to consult a healthcare provider for evaluation and appropriate treatment. While Terry's nails themselves do not require specific treatment, addressing any underlying conditions can help improve the nail discolouration over time.
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Pink nails with a reddish tinge may indicate stress
The human body can reveal a lot about its overall health, and nails are no exception. While the average growth rate for nails is approximately 0.1 mm each day, their colour, shape, and texture can provide clues about your well-being.
In general, healthy nails are flesh-coloured with a pinkish undertone and white tips. However, any significant deviation from this normal pinkish hue can indicate an underlying health issue. For instance, colours like yellow, green, blue, or black can be signs of infection, poor circulation, or other health problems.
Specifically, pink nails with a reddish tinge may indicate stress. When you're stressed, you may be more susceptible to nail infections, nail ridges, or brittle nails. While nail changes can accompany many conditions, they are rarely the first sign of a problem. Nevertheless, if you are concerned about the appearance of your nails, it is advisable to consult a doctor or dermatologist.
It is important to note that nail abnormalities are not always indicative of a serious problem. For example, white nails can be a normal indication of ageing or a harmless genetic trait. Similarly, nail biting or picking, which can affect nail appearance, has been linked to anxiety and obsessive-compulsive disorder, which can be addressed through treatment.
In conclusion, while pink nails with a reddish tinge may suggest stress, it is essential to consult a healthcare professional for an accurate diagnosis and to rule out other potential causes.
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Pink nails with a bluish tinge may indicate poor circulation
Healthy nails are typically flesh-coloured with white tips and a subtle shine. However, any significant deviation from this normal pinkish hue can indicate an underlying health issue. For instance, bluish nails may indicate poor circulation or respiratory issues.
Pink nails with a bluish tinge could be a sign of poor circulation, also known as cyanosis. This occurs when there is insufficient oxygen in the blood, causing the skin or membrane beneath the skin to turn purplish-blue. In addition to the bluish tinge, other symptoms of cyanosis may include low body temperature, numbness or tingling in the arms and legs, difficulty breathing, and extreme fatigue.
Cyanosis can be caused by various factors, including cold temperatures, which cause the blood vessels to constrict and reduce blood flow to the extremities. In such cases, warming the hands should restore normal nail colour. However, if warming the hands does not help, the blue nails may indicate a more serious condition affecting the respiratory or cardiovascular systems, such as chronic obstructive pulmonary disease (COPD), pulmonary embolism, or congenital heart disease.
It is important to note that nail discolouration can be caused by various factors, and only a doctor can provide a definitive diagnosis. If you notice persistent changes in your nail colour, it is recommended to seek medical advice to rule out any underlying health conditions.
In summary, pink nails with a bluish tinge may be a sign of poor circulation or cyanosis, which can be caused by various factors, including cold temperatures or more serious health conditions. If you notice this discolouration, it is advisable to consult a healthcare professional for further evaluation and appropriate treatment.
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Pink nails with a yellowish tinge may indicate a fungal infection
The colour of your fingernails can indicate a lot about your health. In healthy individuals, nails are typically flesh-coloured with white tips and a subtle shine on the cuticles. Any significant deviation from this normal pinkish hue can indicate an underlying health issue. For instance, pink nails with a yellowish tinge may indicate a fungal infection.
Fungal nail infections are one of the most common diseases of the nails, affecting about 10% of the adult population. They are caused by an overgrowth of the fungus that is typically present on the body. The infection occurs when a crack in the nail or the skin around it allows fungus to get inside and multiply. As the infection progresses, you may observe a yellowish discolouration spreading from the edges of the nail to its centre, eventually turning the entire nail yellow. The nail may also thicken and become hard to trim, misshapen, and brittle. In some cases, the nail may start to curl up or down or loosen from the nail bed.
Fungal nail infections are often challenging to treat and may require prolonged treatment. If left untreated, the infection can spread to other parts of the body and cause pain in the fingertips or toes. It is important to consult a doctor if you suspect a nail fungus, as they can prescribe the necessary medication or suggest other treatment options, such as oral antifungals or laser treatment.
It is worth noting that nail discolouration can result from various factors, including nutritional deficiencies, infections, or systemic diseases. Therefore, while pink nails with a yellowish tinge may suggest a fungal infection, it is always advisable to consult a healthcare professional for an accurate diagnosis.
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Frequently asked questions
Healthy fingernails are generally pink. However, if they are a very pale pink, this could be a sign of illnesses such as anaemia, congestive heart failure, or liver disease.
White nails with a thin brown or pink strip at the tip are known as Terry's nails. They can be a sign of ageing or an underlying disease such as liver disease.
Bluish nails can indicate poor circulation or respiratory issues.
Yellow nails can be caused by dark nail polish, smoking, or a fungal infection. They can also be a sign of lung disease or rheumatoid arthritis.











































