
Ridges in your fingernails can be harmless, but they can also be a sign of an underlying health problem. Vertical ridges are often a sign of ageing, while horizontal ridges can point to issues like malnutrition, serious nail injury, or Beau's lines. Beau's lines are deep horizontal ridges that can be a symptom of serious conditions, including acute kidney disease and diabetes.
| Characteristics | Values |
|---|---|
| Vertical ridges | Sign of aging |
| Horizontal ridges | Malnutrition, serious nail injury, Beau's lines, vitamin deficiencies, diabetes |
| Beau's lines | Acute kidney disease |
| Horizontal ridges | Can be treated by managing blood sugar |
| Vertical ridges | Can be caused by a slowing of cell turnover |
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What You'll Learn

Vertical ridges are often a sign of ageing
Vertical ridges in your nails are usually harmless and are often a sign of ageing. This is known as onychorrhexis, a condition that affects your nails, causing them to develop ridges and split. It happens when there is an issue with the nail matrix, which is responsible for making your nails grow. Vertical ridges commonly develop in older adults due to a slowing of cell turnover.
While vertical ridges are usually nothing to worry about, horizontal ridges can point to more serious issues, such as malnutrition, serious nail injury, or Beau's lines, which are often a symptom of serious conditions and may stop nail growth until the underlying condition is treated. If you are concerned about ridges in your nails, it is best to consult a dermatologist for advice.
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Horizontal ridges can be a sign of malnutrition
Horizontal ridges in your fingernails can be a sign of malnutrition. While ridges in your nails are usually harmless, horizontal ridges can point to issues like malnutrition, serious nail injury, or Beau's lines. Beau's lines are deep horizontal ridges that are often a symptom of serious conditions. They may actually stop nail growth until the underlying condition is treated. If you have developed Beau's lines because of diabetes, successfully managing your blood sugar may reduce these horizontal fingernail ridges. If low levels of minerals or vitamins are the cause, you may be advised to alter your diet or take supplements to boost your levels.
Horizontal ridges may also be a sign of onychorrhexis, a condition that affects your nails, causing them to develop ridges and splitting. Your nails may also become brittle, break easily, and split at the edges. Onychorrhexis involves the nail matrix, which is responsible for making your nails grow. Issues with making skin cells and a skin protein called keratin can change how your nails grow, leading to onychorrhexis.
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Horizontal ridges can be a sign of a serious nail injury
Horizontal ridges in your fingernails can be a sign of a serious nail injury. They can also be a symptom of malnutrition or a condition called Beau's lines, which can be caused by diabetes. If you have developed Beau's lines because of diabetes, successfully managing your blood sugar may reduce these horizontal fingernail ridges.
Horizontal ridges are often deep and can stop nail growth until the underlying condition is treated. If you have horizontal ridges, it is important to see a dermatologist for advice on treating your nails. You can connect to a dermatologist in your area using the Healthline FindCare tool.
Horizontal ridges can also be a sign of acute kidney disease. If you are experiencing other symptoms like texture changes in your nails, it may be caused by a medical condition. It is important to pay attention to fingernail ridges and other nail changes as they might be the first signs of a serious medical problem.
While vertical ridges are often a sign of aging, horizontal ridges can point to more serious issues. If you are experiencing horizontal ridges, it is important to seek medical advice to determine the underlying cause and receive appropriate treatment.
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Horizontal ridges can be a sign of Beau's lines
Ridges in your nails are usually harmless but can sometimes indicate other health problems. Vertical ridges are often a sign of ageing, while horizontal ridges can point to issues like malnutrition, serious nail injury, or Beau's lines.
Beau's lines are deep horizontal ridges that can be a symptom of serious conditions. They may stop nail growth until the underlying condition is treated. If you have developed Beau's lines because of diabetes, successfully managing your blood sugar may reduce these horizontal fingernail ridges.
Horizontal ridges may also be a sign of acute kidney disease. If you are experiencing horizontal ridges, it is important to consult a dermatologist for advice on treating your nails.
While ridges in the fingernails are usually a sign of ageing, they can sometimes be a sign of health problems like vitamin deficiencies or diabetes. It is important to pay attention to fingernail ridges and other nail changes, as these might be the first signs of a serious medical problem.
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Horizontal ridges can be a sign of acute kidney disease
Ridges in your nails are usually harmless but can sometimes indicate other health problems. Vertical ridges are often a sign of ageing, while horizontal ridges can point to issues like malnutrition, serious nail injury, or Beau's lines. Beau's lines are deep horizontal ridges and are often a symptom of serious conditions. They may stop nail growth until the underlying condition is treated. If Beau's lines appear, acute kidney disease may also be present.
It is important to note that not all horizontal ridges are caused by acute kidney disease. Other possible causes include malnutrition, vitamin deficiencies, or a serious nail injury. If you are experiencing other symptoms such as changes in nail texture or colour, it is important to seek medical advice.
While horizontal ridges can be a cause for concern, it is important to remember that they can also be harmless. In some cases, they may be a result of ageing or a temporary condition that will resolve on its own. However, if you are concerned about the appearance of your nails, it is always best to consult a medical professional for proper diagnosis and treatment.
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Frequently asked questions
Fluted and ridged finger nails are usually harmless but can mean different things. Vertical ridges are often a sign of aging, while horizontal ridges can point to issues like malnutrition, serious nail injury, or Beau’s lines.
Beau's lines are deep horizontal ridges that are often a symptom of serious conditions. They may actually stop nail growth until the underlying condition is treated. If Beau’s lines appear, acute kidney disease may also be present.
Most of the time, ridges in fingernails are a typical sign of aging. However, it’s important to pay attention to fingernail ridges and other nail changes. These might be the first signs of a serious medical problem. If you are concerned, you should speak to a dermatologist.
Some dermatologists suggest that you can gently buff 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.










































