
Ridges in your fingernails or toenails are visible lines or dents that can run either vertically or horizontally. While they are usually nothing to worry about, they can sometimes be a sign of a current or past illness, a nutrient deficiency, or a previous injury to your nail. Ridges in nails can also be a typical sign of ageing.
| Characteristics | Values |
|---|---|
| What are they? | Visible lines or dents in your fingernails or toenails |
| Direction | May run vertically (up and down) or horizontally (across) |
| Cause | A sign of a current or past illness, injury, nutrient deficiency, or ageing |
| Treatment | Moisturising, keeping nails trimmed, and checking with a dermatologist |
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What You'll Learn

Ridges in your nails can be a sign of a current or past illness
Vertical ridges, also known as longitudinal ridges, are the most common type of ridge. They are usually harmless and are a natural part of ageing or may develop after picking or biting your nails. Horizontal ridges, or Beau lines, can be a sign of health concerns. If ridges appear, especially when they occur with other nail changes like discolouration, pain, or thickness, it is important to see a healthcare provider.
A thorough diagnosis can help people and their doctors decide on a proper treatment plan. Treatment typically focuses on resolving the condition that is causing the nail ridges to appear. For example, if a skin condition such as eczema is causing ridges in the fingernails, a dermatologist will try to reduce the symptoms of eczema by prescribing topical treatments.
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Ridges in your nails can be a sign of a nutrient deficiency
Visible lines or dents in your fingernails or toenails are usually nothing to worry about, especially with age. However, vertical ridges on nails can be a sign of an underlying medical issue, as can deeper horizontal ridges.
If you are concerned about ridges in your nails, you should speak to your healthcare provider. They can help you determine the cause. In the meantime, you can try gently buffing your nails to remove ridges, but it is recommended to stick to moisturising your nails and keeping them trimmed.
If you are experiencing other symptoms alongside the ridges in your nails, it is important to seek medical advice.
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Ridges in your nails can be a sign of ageing
As we age, our nails may develop ridges. This is a common change that can be treated by gently buffing the nails or moisturising them. However, it is recommended to consult a dermatologist or healthcare provider to determine the exact cause of the ridges and rule out any potential health concerns.
Vertical ridges on nails are typically harmless and may be more prominent with age. They can be a result of genetics, nutrient deficiency, or dehydration. While they are not usually a cause for concern, in some cases, they may indicate an underlying medical condition, such as vitamin B12 deficiency or iron deficiency anaemia.
Horizontal ridges, also known as Beau's lines, can be a sign of more serious health issues. They can indicate conditions such as diabetes, kidney disease, or zinc deficiency. These ridges are often deeper and more pronounced than vertical ridges.
It is important to note that while ridges in your nails can be a sign of ageing, they may also be a subtle clue to your overall health. Therefore, if you notice any changes in your nails, it is advisable to consult a healthcare professional for further evaluation and appropriate treatment.
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Ridges in your nails can be a sign of a previous injury
If you are concerned about ridges in your nails, you can gently buff them to remove the ridges, but it is recommended to stick with moisturising your nails, keeping them trimmed, and checking with a dermatologist for further considerations. Your healthcare provider can help you determine why you have ridges in your nails.
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Ridges in your nails can be a sign of an underlying medical issue
Fingernail ridges are raised lines or grooves that can run vertically or horizontally across the nail. Vertical ridges are the most common type and are usually harmless, often appearing as a natural part of the ageing process or after picking or biting your nails.
However, horizontal ridges can indicate an underlying health condition. Beau's lines, as they are known, can be a sign of vitamin deficiencies, malnutrition, infections, or serious nail injury. Your fingernails can reveal a lot about your overall health, so it is important to see a healthcare provider if ridges appear, especially if they occur with other nail changes such as discolouration, pain, or thickness.
A thorough diagnosis can help people and their doctors decide on a proper treatment plan. Treatment typically focuses on resolving the underlying condition causing the nail ridges to appear. For example, if a skin condition such as eczema is causing ridges in the fingernails, a dermatologist may prescribe topical treatments to reduce the symptoms of eczema.
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Frequently asked questions
Ridges in your fingernails can be a sign of a current or past illness or injury, or a nutrient deficiency. They can also be a typical sign of ageing, and are usually nothing to worry about.
Vertical ridges can be a sign of an underlying medical issue.
Deeper horizontal ridges can also be a sign of an underlying medical issue.
You can gently buff your nails to remove ridges, but it's recommended to stick with moisturising your nails, keeping them trimmed, and checking with a dermatologist for further considerations.









































