Isla Bennett
Ridges in your fingernails can be a sign of a current or past illness or injury, or a nutrient deficiency. They can also be harmless, and are often a sign of ageing. Vertical ridges are furrows that run from the tip of your fingernail down to the cuticle, while horizontal ridges can point to issues like malnutrition, serious nail injury, or Beau’s lines.
| Characteristics | Values |
|---|---|
| Vertical ridges | Sign of ageing |
| Horizontal ridges | Malnutrition, serious nail injury, Beau's lines |
| Bluish tint | Lack of oxygen, lung problem, heart problem |
| Rippling or bumps | Disease in the body, problems in the liver, lungs, or heart |
| White nails | Trauma, anemia, dietary deficiencies, heart or kidney disease, poisoning, hepatitis |
| Yellowish hue | Fungal infection |
| Dry, brittle nails | Thyroid disease |
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What You'll Learn
Vertical ridges are a sign of ageing
Ridges in your nails are usually harmless but can mean different things. Vertical ridges are often a sign of ageing, while horizontal ridges can point to issues like malnutrition, serious nail injury, or Beau’s lines. Vertical ridges are furrows that run from the tip of your fingernail down to the cuticle. They are sometimes called longitudinal striations or bands. Research from 2015 found that slight vertical ridges in fingernails often develop in older adults, possibly due to a slowing of cell turnover. This is when new skin cells produced below the surface of your skin rise up to take the place of discarding dead cells from the surface. If you experience other symptoms like texture changes in your nails, it may be caused by a medical condition.
Nail abnormalities can also be a sign of disease in the body. Problems in the liver, lungs, and heart can show up in your nails. For example, white nails, also known as leukonychia, can 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. Nails with a bluish tint can mean the body isn't getting enough oxygen and could indicate 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. 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. Chronic paronychia is a condition that causes inflammation, redness, tenderness, and swelling of the skin folds and tissues surrounding the nails.
Though nail changes accompany many conditions, these changes are rarely the first sign. If you're concerned about the appearance of your nails, see your doctor or a dermatologist.
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Horizontal ridges could be a sign of malnutrition
Ridges in your nails are usually harmless but can sometimes indicate underlying health issues. Vertical ridges are often a sign of ageing, while horizontal ridges can point to malnutrition, serious nail injury, or Beau's lines. Horizontal ridges can also be a sign of a slowing of cell turnover, which is when new skin cells produced below the surface of your skin rise up to take the place of discarding dead cells from the surface. If you experience other symptoms like texture changes in your nails, it may be caused by a medical condition.
Horizontal ridges in your nails could be a sign of malnutrition. Malnutrition occurs when the body does not get enough nutrients, which can lead to a variety of health problems. Malnutrition can cause a range of symptoms, including weight loss, fatigue, and changes in the appearance of the skin and nails. In the case of horizontal ridges in the nails, this could be a sign that the body is not getting enough of certain nutrients, such as protein, vitamins, and minerals.
There are several possible causes of malnutrition that could lead to horizontal ridges in the nails. One cause could be a poor diet, where a person does not consume enough nutrient-rich foods. This could be due to a lack of access to healthy foods, financial constraints, or a lack of knowledge about proper nutrition. Another cause could be digestive problems that interfere with the body's ability to absorb nutrients from food. Conditions such as Crohn's disease, celiac disease, or inflammatory bowel disease can lead to malnutrition if not properly managed.
Additionally, certain medical conditions can increase the risk of malnutrition and contribute to the development of horizontal ridges in the nails. For example, people with cancer or HIV/AIDS may experience decreased appetite, difficulty eating, or problems with nutrient absorption, all of which can lead to malnutrition. Certain medications can also affect nutrient absorption or cause side effects that impact a person's ability to eat, potentially resulting in malnutrition.
If you notice horizontal ridges in your nails, it is important to consult a healthcare professional, such as a dermatologist or your primary care provider. They can assess your overall health, review your diet and medical history, and recommend appropriate tests to determine the underlying cause of the ridges. Based on the evaluation, they can provide guidance on nutritional deficiencies, suggest dietary changes, or recommend supplements to address any nutrient deficiencies that may be contributing to the ridges.
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Bluish nails could mean a lack of oxygen
Bumps in your fingernails could be a sign of disease in the body. Problems in the liver, lungs, and heart can show up in your nails. For example, 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.
Ridges in your nails are usually harmless but can mean different things. Vertical ridges are often a sign of ageing, while horizontal ridges can point to issues like malnutrition, serious nail injury, or Beau's lines.
Cyanosis occurs when there isn't enough oxygen in your blood, making the skin or membrane below the skin turn a purplish-blue colour. This can also affect the lips, gums, hands, soles of the feet, and the skin around the eyes. It is important to see a healthcare provider to determine the cause.
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White nails could be a sign of trauma or anemia
Bumps in your fingernails could be a sign of trauma or anemia. White nails, also known as leukonychia, can be caused by several factors, including trauma, anemia, dietary deficiencies, heart or kidney disease, or even poisoning. If the nails are mostly white with darker rims, this could indicate liver problems such as hepatitis, although not everyone with white nails has hepatitis.
Ridges in your nails are usually harmless but can sometimes indicate other issues. Vertical ridges are often a sign of aging, possibly due to a slowing of cell turnover. Horizontal ridges, on the other hand, can point to malnutrition, serious nail injury, or Beau's lines.
Nail abnormalities can provide clues about your overall health. For example, nails with a bluish tint can indicate a lack of oxygen in the body, suggesting a lung problem such as emphysema or a heart issue. Additionally, if the nail surface is rippled or pitted, it may be an early sign of psoriasis or inflammatory arthritis.
It's important to note that while nail changes can accompany various conditions, they are rarely the first sign. If you are concerned about the appearance of your nails, it is recommended to consult a doctor or dermatologist.
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Dry, brittle nails could be a sign of thyroid disease
Bumps in finger nails can be a sign of disease in the body. Problems in the liver, lungs and heart can show up in your nails. For example, nails with a bluish tint can mean the body isn't getting enough oxygen, which could indicate a lung problem such as emphysema.
Dry, brittle nails that frequently crack or split have been linked to thyroid disease. This is because the thyroid gland produces hormones that are crucial for regulating our metabolism, which affects how quickly cells grow and repair. When the thyroid isn't working properly, it disrupts this balance, leading to issues with the nails. Nails that break easily, slow nail growth, nail discolouration or separation from the nail bed are also associated with thyroid disease.
Onycholysis and slow-growing, thin nails are associated with hypothyroidism (an underactive thyroid) and onycholysis, koilonychia, and brittle nails changes are associated with hyperthyroidism (an overactive thyroid).
If you are concerned about the appearance of your nails, see your doctor or a dermatologist.
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Frequently asked questions
Vertical bumps on your fingernails are usually harmless and are often a sign of ageing.
Horizontal bumps on your fingernails can point to issues like malnutrition, serious nail injury, or Beau's lines. They are often a sign of an underlying condition that requires diagnosis and treatment.
If you have bumps on your fingernails, you should consult a dermatologist or your healthcare provider to determine the cause.
