Sophia Delgado
Ridges in your nails are usually harmless, but they can sometimes indicate underlying health issues. Vertical ridges, which run from the tip of your fingernail down to the cuticle, are often a sign of ageing, while horizontal ridges, known as Beau's lines, can point to more serious problems, such as malnutrition, nail trauma, or vitamin deficiencies. Other factors that can cause ridges in your nails include nutritional deficiencies, improper nail care, and certain medical conditions.
| Characteristics | Values |
|---|---|
| Vertical ridges | Ageing, iron deficiency, vitamin deficiencies (zinc, vitamins A, C, and D) |
| Horizontal ridges | Malnutrition, serious nail injury, Beau's lines, severe infections, diabetes, nutritional deficiencies |
| Green nails | Pseudomonas or Candida infection |
| Yellow nails | Lymphatic obstruction in cardiopulmonary disease, psoriasis |
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Beau's lines
The appearance of Beau's lines on all of the nails can mean that an illness or stress caused them. Multiple Beau's lines on each nail may mean that an illness or trauma happened more than once. Thicker Beau's lines may be a sign that an illness or trauma lasted a longer time. Treating the underlying cause will allow new, smooth nails to grow again.
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Iron deficiency
Ridges in nails can be caused by iron deficiency. Iron deficiency is a condition where a lack of iron in the body leads to a reduction in the number of red blood cells. Iron is used to produce red blood cells, which help store and carry oxygen in the blood. If you have fewer red blood cells than is normal, your organs and tissues won't get as much oxygen as they usually would. This can lead to symptoms such as tiredness, shortness of breath, and chest pain. Iron deficiency anaemia is the most common type of anaemia, a condition in which the blood lacks adequate healthy red blood cells.
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Nail trauma
Ridges in your nails are usually harmless but can sometimes indicate a more serious health issue. Vertical ridges are often a sign of ageing, while horizontal ridges can point to malnutrition, nail trauma, vitamin deficiencies, or Beau's lines. Beau's lines are deeper than vertical ridges and are often linked to severe infections, diabetes, or nutritional deficiencies.
Certain nutritional deficiencies can also affect your nail health. For example, iron deficiency may cause vertical ridges in your nails. Other vitamins that are important for nail health include zinc and vitamins A, C, and D. Biotin is also highly recommended to aid in nail health, but more research is needed to understand its full benefits.
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Yellow nail syndrome
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. Beau's lines are a separate condition from onychorrhexis and are often linked to more serious health issues, such as severe infections, diabetes, or nutritional deficiencies.
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Green nails
In addition to green nails, there are several other nail conditions that can indicate potential health issues. For example, yellow nail syndrome is associated with lymphatic obstruction in cardiopulmonary disease, while nail erosion can be a sign of trauma or malignant tumours.
It is always advisable to consult a healthcare professional if you have any concerns about your nail health. They can provide a proper diagnosis and recommend appropriate treatment options if necessary.
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Frequently asked questions
Vertical ridges are usually a sign of ageing, but they can also be caused by a vitamin deficiency, such as a lack of iron, zinc, or vitamins A, C, and D.
Horizontal ridges, also known as Beau's lines, can point to malnutrition, nail trauma, or a more serious medical condition, such as severe infections or diabetes.
Rough nails are called trachyonychia and can be caused by lichen planus, psoriasis, or a fungal nail infection.
