Liam Carter
Dark stripes on nails, known as melanonychia, are usually caused by an increase in melanin deposits. Melanonychia may be a sign of a current or past illness or injury, but it can also occur naturally in people with darker complexions.
| Characteristics | Values |
|---|---|
| Name | Melanonychia, Melanonychia striata, Longitudinal melanonychia |
| Appearance | Dark lines on nails, brown or black, usually in the form of a stripe that begins at the bottom of the nail bed and continues to the top |
| Causes | Increased deposits of melanin, nail injury, infection, cancer, nutrient deficiency, current or past illness |
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What You'll Learn
- Melanonychia: Dark stripes on nails, usually brown or black, can be a sign of melanonychia, which may be malignant or cancerous
- Melanocytic activation: An increase in melanin deposits in the nail, but not an increase in pigment cells
- Ridges in nails: Ridges can be a sign of a current or past illness, or a nutrient deficiency
- Health conditions: Stripes on nails can be a sign of other health issues
- Injury: Stripes on nails can be caused by a previous injury to the nail
Melanonychia: Dark stripes on nails, usually brown or black, can be a sign of melanonychia, which may be malignant or cancerous
Dark stripes on nails, usually brown or black, can be a sign of melanonychia, which may be malignant or cancerous. Melanonychia is an increase in the production and deposits of melanin in your nail but not an increase in pigment cells. Melanonychia may appear in one nail or several and can occur naturally if you have a dark complexion.
If you notice dark stripes on your nails, it is important to see a doctor as they may be a sign of other health issues. Melanonychia can be caused by a nail injury, infection, or cancer, among other causes. A doctor can perform exams to determine whether melanonychia is malignant. If it is malignant or cancerous, the tumour or cancerous area must be removed, which may mean losing all or part of your nail.
Ridges in your nails can also be a sign of a current or past illness or a nutrient deficiency. They may also be harmless or the result of a previous injury to your nail.
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Melanocytic activation: An increase in melanin deposits in the nail, but not an increase in pigment cells
Dark stripes on nails are usually caused by an increase in melanin deposits in the nail, known as melanocytic activation. This is not an increase in pigment cells, but rather the production and deposits of melanin in the nail. Melanonychia, as it is also known, can appear in one or several nails and may occur naturally if you have a dark complexion. It can also be a sign of a current or past illness or injury, or a nutrient deficiency. In some cases, it may be malignant or cancerous, and a doctor can perform exams to determine this.
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Ridges in nails: Ridges can be a sign of a current or past illness, or a nutrient deficiency
Dark stripes on nails are usually caused by increased deposits of melanin, which gives skin its colour. This is known as melanonychia, and it can appear in one or several nails. The lines are brown or black and usually look like a stripe that begins at the bottom of the nail bed and continues to the top. Melanonychia may occur naturally if you have a dark complexion, but it can also be a sign of other health issues, such as a tumour or cancer.
Ridges in nails can also be a sign of a current or past illness, or a nutrient deficiency. They may also be caused by a previous injury to the nail, although in some cases, they are harmless. If you have ridges in your nails, your healthcare provider can help you determine the cause. Usually, your nails will become smoother if you treat the underlying cause.
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Health conditions: Stripes on nails can be a sign of other health issues
Dark stripes on nails, known as melanonychia, are usually caused by increased deposits of melanin, which gives skin its colour. Melanonychia may appear in one nail or several, and can occur naturally if you have a dark complexion. However, melanonychia can also be a sign of other health issues, such as a tumour or cancer. In some cases, it may be caused by a nail injury or infection. Ridges in your nails can also be a sign of a current or past illness, or a nutrient deficiency. If you notice stripes or ridges on your nails, it's important to consult a doctor to determine the underlying cause.
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Injury: Stripes on nails can be caused by a previous injury to the nail
Stripes on nails can be caused by a previous injury to the nail. Ridges in nails can be a sign of a current or past injury or illness. They can also be caused by a nutrient deficiency. If you have ridges in your nails, your healthcare provider can help you determine the cause.
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Frequently asked questions
Stripes on your nails could be a sign of a current or past illness or injury. They can also be caused by a nutrient deficiency. However, in some cases, they are harmless. If you are concerned, it is best to consult a doctor.
Stripes on your nails are called melanonychia. They are usually brown or black and appear as a stripe that begins at the bottom of your nail bed and continues to the top.
Melanonychia is caused by an increase in the production and deposits of melanin in your nail. Melanin gives skin its colour. Melanonychia can occur naturally if you have a dark complexion.
