
Ridges in finger and toenails can be caused by a variety of factors, including vitamin deficiencies, trauma, and ageing. While vertical ridges are common and typically harmless, horizontal ridges may indicate an underlying health condition. In this article, we will explore the different causes of ridges in nails and discuss potential treatment options.
| Characteristics | Values |
|---|---|
| Vertical ridges | Sign of ageing, vitamin or nutrient deficiency, or an underlying medical issue |
| Horizontal ridges | Sign of malnutrition, nail trauma, or Beau's lines |
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What You'll Learn
- Ridges in nails can be a sign of a current or past illness
- Ridges in nails can be a sign of a nutrient deficiency
- Vertical ridges on nails can be a sign of an underlying medical issue
- Horizontal ridges on nails can be a sign of an underlying medical issue
- Ridges in nails can be caused by a previous injury

Ridges in nails can be a sign of a current or past illness
Vertical ridges are not uncommon, especially with age, and are usually nothing to worry about. However, they can occasionally be a sign of an underlying medical issue. Deeper horizontal ridges can also be a sign of an underlying medical issue.
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Ridges in nails can be a sign of a nutrient deficiency
Horizontal ridges, which run across the nail, can also be a sign of malnutrition. They usually develop when nail growth is disrupted by something, such as nail trauma, an injury or an illness.
Ridges in nails are usually harmless and are often a sign of ageing. However, they can sometimes indicate an underlying medical issue. If you are concerned about ridges in your nails, you should speak to your healthcare provider. They can help you determine the cause and advise on treatment.
Treating the underlying cause can help to smooth out the ridges. For example, if the ridges are caused by a nutrient deficiency, addressing this deficiency may help to improve the appearance of your nails.
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Vertical ridges on nails can be a sign of an underlying medical issue
Ridges in your fingernails or toenails can be a sign of a current or past illness. They can also be a sign of a nutrient deficiency, such as a lack of iron, folic acid (vitamin B9) or protein. 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 indentations running across your nail.
If you are concerned about ridges in your nails, you should speak to your healthcare provider. They will be able to help you determine the cause of the ridges. Treating the underlying cause will usually make your nails smoother.
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Horizontal ridges on nails can be a sign of an underlying medical issue
Ridges in your fingernails or toenails can be a sign of a current or past illness. They can also be a sign of a nutrient deficiency. Horizontal ridges on nails can be a sign of an underlying medical issue. Vertical ridges are often a sign of ageing, while horizontal ridges can point to issues like malnutrition, serious nail injury, or Beau's lines. Horizontal nail ridges usually develop when nail growth is disrupted by something. Nail trauma is one possible cause—for example, you may have closed a door on your finger or dropped something heavy on your toe.
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Ridges in nails can be caused by a previous injury
Vertical ridges, which extend from the bottom of the nail to the tip, are more commonly caused by ageing. However, they can also be a sign of vitamin or nutrient deficiency, such as low iron, folic acid (vitamin B9) or protein. Health conditions that can cause vertical ridges include dry skin, psoriasis, lichen planus and other inflammatory skin conditions.
If you have ridges in your nails, your healthcare provider can help you determine the cause. Treating the underlying cause will usually lead to smoother nails.
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Frequently asked questions
Vertical ridges are usually a sign of ageing, but they can also be a sign of a vitamin or nutrient deficiency.
Horizontal ridges can be caused by nail trauma, such as dropping something heavy on your toe, or malnutrition.
Yes, ridges in nails can be a sign of a current or past illness, but they are usually harmless.











































