
Purple toenails are often a sign of a bruise or hematoma due to an injury or pressure. However, they can also indicate a circulation or vascular issue. While most toenail colour changes are harmless, they can sometimes be a sign of an underlying health issue. Therefore, it is important to pay attention to these changes and seek medical advice if necessary.
| Characteristics | Values |
|---|---|
| Cause | Trauma or injury causing bleeding under the nail |
| Bruise or hematoma due to injury or pressure | |
| Circulation or vascular issue | |
| Raynaud's disease | |
| Runner's toenail or jogger's toe | |
| Ageing | |
| Action | Seek medical advice if persistent |
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What You'll Learn

Purple toenails can be caused by trauma or injury
Incorrectly fitted running shoes can also cause constant friction against the toenail, leading to repeated trauma and a build-up of blood under the toenail. Aging is another factor that can contribute to changes in toenail colour, as blood circulation in the extremities can diminish with age, leading to oxygen deprivation in the toenail area and a purple or blue appearance.
While most toenail colour changes are harmless, they can sometimes indicate an underlying health issue. If the purple colour is accompanied by other symptoms such as pain, swelling, or changes in the shape or thickness of the nail, it is important to seek medical advice. Properly fitted shoes and keeping toenails trimmed can help alleviate the issue.
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Purple toenails can be caused by a circulation issue
Purple or black toenails are typically due to some form of trauma or injury causing bleeding under the nail. Running shoes, if not correctly fitted, can cause constant friction against the toenail, leading to a condition known as runner's toenail or jogger's toe. This repeated trauma can result in a build-up of blood under the toenail, giving it a purple or black appearance.
However, purple toenails can also indicate a vascular issue, such as a vein problem in the lower extremities or Raynaud's disease. As we age, our bodies undergo various transformations, including in our nails. The blood circulation in our extremities, like our toes, can diminish with age, leading to oxygen deprivation in the toenail area. This lack of oxygen can sometimes cause the toenails to appear blue or purple.
If the purple colour is accompanied by other symptoms like pain, swelling, or changes in the shape or thickness of the nail, it's crucial to get a medical evaluation. While purple toenails due to injury or pressure often resolve on their own, it's wise to schedule an appointment with a healthcare provider if the discolouration persists.
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Purple toenails can be caused by a vein problem
Purple or black toenails are typically due to some form of trauma or injury causing bleeding under the nail. In some cases, though, purple toenails can indicate a vascular issue, such as a vein problem in the lower extremities or Raynaud’s disease. It’s important to understand that while most toenail colour changes are harmless, they can sometimes be a sign of an underlying health issue. So, any persistent discolouration that doesn’t improve over time should be evaluated by a healthcare professional.
Athletes, especially runners, often experience purple toenails. Running shoes, if not correctly fitted, can cause constant friction against the toenail, leading to a condition known as runner’s toenail or jogger’s toe. This repeated trauma can result in a build-up of blood under the toenail, giving it a purple or black appearance. Ageing is another factor that can contribute to changes in toenail colour. As we age, our bodies undergo various transformations, including in our nails. The blood circulation in our extremities, like our toes, can diminish with age, leading to oxygen deprivation in the toenail area. This lack of oxygen can sometimes cause the toenails to appear blue or purple.
If the purple colour is accompanied by other symptoms like pain, swelling, or changes in the shape or thickness of the nail, it’s crucial to get a medical evaluation. If you’ve noticed your toenails turning purple and are concerned, it may be time to seek medical advice. While purple toenails due to injury or pressure often resolve on their own, it’s wise to schedule an appointment with a healthcare provider if the discolouration persists.
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Purple toenails can be caused by Raynaud's disease
Purple toenails are often caused by trauma or injury, such as the friction caused by ill-fitting shoes, or the impact of the foot striking the ground during running. This can lead to a build-up of blood under the toenail, resulting in a purple or black appearance. Ageing can also contribute to changes in toenail colour, as blood circulation in the extremities can diminish with age, leading to oxygen deprivation in the toenail area.
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Purple toenails can be caused by ageing
Purple toenails can also be caused by trauma or injury, such as the repeated impact of the foot striking the ground during running, causing microtrauma in the toenails. This can result in a build-up of blood under the toenail, giving it a purple or black appearance.
In some cases, purple toenails can indicate a vascular issue, such as a vein problem in the lower extremities or Raynaud's disease. While most toenail colour changes are harmless, they can sometimes be a sign of an underlying health issue. If the purple colour is accompanied by other symptoms such as pain, swelling, or changes in the shape or thickness of the nail, it is crucial to seek medical advice.
The type of footwear you choose can also have a profound impact on your toenails' health. For example, running shoes that are not correctly fitted can cause constant friction against the toenail, leading to a condition known as runner's toenail or jogger's toe.
If you've noticed your toenails turning purple and are concerned, it may be time to seek medical advice. While purple toenails due to injury or pressure often resolve on their own, it's wise to schedule an appointment with a healthcare provider if the discoloration persists.
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Frequently asked questions
Purple toenails are usually caused by some form of trauma or injury, which can cause bleeding under the nail. They can also be caused by ill-fitting shoes, which can cause friction against the toenail. In some cases, purple toenails can indicate a vascular issue, such as a vein problem in the lower extremities or Raynaud’s disease.
If you have a purple toenail, it's important to seek medical advice, especially if it is accompanied by other symptoms such as pain, swelling, or changes in the shape or thickness of the nail. While most toenail colour changes are harmless, they can sometimes be a sign of an underlying health issue.
Running shoes that are not correctly fitted can cause constant friction against the toenail, leading to a condition known as runner's toenail or jogger's toe. The repetitive impact of the foot striking the ground can also lead to microtrauma in the toenails, causing them to become discoloured.











































