In this comprehensive guide, we delve into the often misunderstood condition of black toenail, examining its causes, implications, and necessary preventative measures. Black toenail, although often associated with minor injuries or fungal infections, can sometimes signal serious health issues. Hence, understanding it is crucial to maintaining good foot health. We’ll discuss the role of properly fitting shoes in preventing black toenail, recommend specific footwear that aids in the reduction of the condition, and offer insights into how physical activities like running might contribute to the problem.

Additionally, we’ll provide guidance on managing black toenail at home, outline when medical attention is necessary, and share strategies to avert future occurrences. So whether you’re a regular runner, someone dealing with this condition, or just interested in foot health, this article will offer valuable insights for all.

Most Common Questions about Black Toenail

  1. What is a black toenail and what causes it?
  2. How is a black toenail diagnosed?
  3. What are the treatment options for a black toenail?
  4. How can I prevent getting a black toenail?
  5. Does shoe size or fit contribute to black toenail?
  6. Are there specific shoes recommended to avoid black toenail?
  7. Does running or other physical activities increase the risk of black toenail?
  8. How long does it take for a black toenail to heal?
  9. Can black toenail lead to more serious conditions?
  10. How should I care for a black toenail at home?

What is a Black Toenail and What Causes it?

A black toenail, also known as subungual hematoma, occurs when trauma to the toe causes bleeding under the nail. The blood then clots, creating a dark or black color. The most common cause of black toenail is trauma to the toe, usually from activities like running or hiking where the toe repeatedly hits the front of the shoe, but it can also occur due to accidental injury or heavy objects falling on the foot.

Additionally, ill-fitting shoes can often cause a black toenail. Shoes that are too tight or too loose can lead to repeated friction or trauma to the toenails, making them susceptible to injury. To prevent this, it is essential to measure your foot size accurately and select the right size and style of shoe.

Wearing the wrong shoe size can lead to a variety of foot issues, including black toenails. That’s why it is crucial to wear the correct size and style of shoe. For example, if your foot size falls under the wider category, shoes like 10E wide shoes for men could be a suitable choice.

Orthofeet Athletic Shoe

Shoe brands like Orthofeet have a range of footwear designed to provide comfort and prevent foot issues. For instance, the Orthofeet Men’s Athletic Shoe is designed for optimal comfort and foot protection.

If the black toenail is caused by a fungal infection, the discoloration might be accompanied by other symptoms such as thickening, crumbling of the nail, or an unpleasant odor. In such cases, medical intervention might be necessary to treat the underlying infection.

Apart from trauma and fungal infection, other health issues like diabetes, kidney disease, heart disease, or melanoma can also cause black toenails. Therefore, if you notice a sudden change in the color of your toenail without any apparent cause, it is advisable to seek medical attention.

Finally, remember that foot health is crucial for overall wellbeing. A black toenail might not seem like a big deal, but it can impact your mobility and quality of life. Therefore, it’s essential to pay attention to any changes in your toenails or foot health in general.

How is a Black Toenail Diagnosed?

Diagnosing a black toenail usually involves a physical examination by a healthcare provider. The provider might ask about any recent injuries, your physical activities, and the type of shoes you wear. This is to help determine whether the black toenail is due to trauma or an underlying health condition.

Sometimes, if a fungal infection is suspected, the doctor may take a sample of the nail or the underneath skin for testing. This is typically done using a small scraping tool to collect a sample, which is then sent to a lab for further analysis.

Apis Athletic Shoe

While waiting for the test results, you might want to consider switching to footwear that’s comfortable and reduces the risk of further toe injuries. Brands such as Apis offer shoes like the Women’s Walking Shoe that is specifically designed to cater to sensitive feet and conditions that require roomy, comfortable footwear.

In rare cases, if there is suspicion of a more severe underlying condition such as melanoma, a type of skin cancer, the doctor might recommend a biopsy. In this procedure, a small piece of the nail or skin is removed and examined under a microscope.

Though it might sound scary, it’s essential to get an accurate diagnosis. Not all black toenails are caused by serious conditions, and often, they are the result of simple trauma. But only through a proper diagnosis can appropriate treatment be prescribed.

Remember, foot health is essential, and neglecting symptoms like a black toenail can lead to more severe conditions. So if you notice anything unusual about your toenails, don’t hesitate to seek medical attention.

What are the Treatment Options for a Black Toenail?

The treatment for a black toenail primarily depends on its cause. If it’s due to a simple injury or trauma, often, no specific treatment is needed. The body heals the injury, and the blackened part of the nail eventually grows out on its own.

In cases where the black toenail is caused by pressure from a blood clot under the nail, your healthcare provider might need to relieve the pressure. This is done by making a small hole in the nail, allowing the blood to drain out. This procedure, known as trephination, provides immediate relief from pain and pressure.

For black toenails caused by a fungal infection, antifungal medication might be prescribed. These medications can be in the form of oral pills or topical creams or lacquers that you apply directly to the nail.

New Balance Athletic Shoe

If you engage in sports or other physical activities, consider wearing athletic shoes that provide ample room for your toes. The New Balance Men’s Running Shoe from New Balance is designed for maximum comfort and to reduce the risk of toe injuries.

In cases where the black toenail is severe or caused by an underlying condition like melanoma, more extensive treatment might be required, such as surgery or other procedures. Always follow the treatment plan recommended by your healthcare provider.

Wearing appropriate footwear can help in the recovery process and prevent further injury. If you are unsure about what kind of shoes to wear, feel free to contact us, and our team of experts can provide recommendations based on your specific needs.

How Can I Prevent Getting a Black Toenail?

Preventing a black toenail involves a few key steps that you can easily integrate into your daily routine. First and foremost, ensure that you wear shoes that fit correctly. Ill-fitting shoes are a common cause of black toenail as they can cause repeated trauma to the toes.

Secondly, protect your feet during physical activities. Wear protective footwear and make sure to trim your toenails regularly. If you’re a runner or engage in any activities that put pressure on your toes, consider shoes that have a spacious toe box to prevent your toes from hitting the front of the shoe.

The Orthofeet Men’s Athletic Sneaker and the New Balance Men’s 847v4 Walking Shoe are examples of shoes that are designed to provide enough room for your toes and reduce the risk of injury.

Keeping your feet dry can also help prevent black toenail caused by fungal infections.

Change your socks regularly, use foot powder if needed, and choose shoes made of breathable materials. Also, avoid walking barefoot in public areas like swimming pools and locker rooms where fungal infections can easily spread.

Lastly, pay attention to your foot health. Check your feet regularly for any signs of injury or infection. If you notice anything unusual, seek medical attention promptly. Early intervention can prevent complications and ensure your feet stay healthy.

Does Shoe Size or Fit Contribute to Black Toenail?

soft measuring tapeThe size and fit of your shoes can significantly contribute to the occurrence of black toenail. If your shoes are too tight, they can cause constant friction or pressure on your toenails, leading to injury. On the other hand, shoes that are too loose can cause your feet to slide forward, causing your toes to repeatedly hit the front of the shoes.

To ensure that your shoes fit correctly, measure your foot size accurately. Also, consider the width of your foot. If you have wide feet, consider options like 6E Men shoes, which provide more width compared to standard shoe sizes.

Furthermore, the style and design of the shoe can also affect its fit. Shoes designed for specific activities like running or hiking usually have more room in the toe box to accommodate foot movement. A good example is the New Balance Men’s Running Shoe.

Remember, shoes should be comfortable right from the start. If they need to be “broken in,” they likely don’t fit well. Shoes that fit correctly can not only help prevent conditions like black toenail but also promote overall foot health.

Yes, wearing the right kind of shoes can significantly reduce the risk of getting a black toenail. Shoes that provide ample space in the toe area, good support, and a snug fit can prevent the toes from constantly hitting the shoe front, one of the leading causes of black toenail.

Brands like Propet specialize in shoes that provide excellent comfort and fit, such as the Men’s Fitec 9735-5L Walking Shoe. They are designed with wider toe boxes to accommodate different foot shapes and sizes, thus reducing the likelihood of toenail injuries.

Similarly, shoes designed for sports or physical activities should have good shock absorption to lessen the impact on your toes. The Orthofeet Men’s Athletic Shoe is designed with superior cushioning to protect your feet during high-impact activities.

For women, the Women’s Lightweight Hi-top Athletic Shoe and the Women’s Leather Walking Shoe are excellent options that provide comfort, support, and enough room for your toes.

Remember, the goal is to avoid any unnecessary pressure or friction on your toenails. Choosing the right shoes is a crucial step towards preventing black toenail and maintaining good foot health.

Does Running or Other Physical Activities Increase the Risk of Black Toenail?

Running and other physical activities can increase the risk of black toenail. This is mainly because these activities often involve repetitive pressure or friction on the toes. When the foot constantly slides forward in the shoe, it can lead to the toes hitting the shoe front, causing injury to the toenails.

This phenomenon is especially common in long-distance runners or hikers who are on their feet for extended periods. The risk is even higher if you’re running or hiking downhill or if you’re wearing shoes that don’t fit well.

To minimize the risk, make sure your shoes fit correctly. They should secure your heel and allow enough room in the front so your toes can move freely. Shoes like the New Balance Men’s Running Shoe are designed to provide a secure fit while allowing for toe movement.

Additionally, keep your toenails short and neat. Long toenails can hit the front of your shoes and increase the risk of injury. Also, consider using moisture-wicking socks to keep your feet dry and reduce the risk of fungal infections that can lead to black toenail.

Remember, while running and physical activities can increase the risk of black toenail, it’s not a given. By taking these preventive measures, you can enjoy your activities while keeping your feet healthy.

How Long Does it Take for a Black Toenail to Heal?

The healing time for a black toenail depends on its cause and severity. If it’s due to a minor injury, the black toenail will typically heal and grow out on its own within six to nine months, which is the average time for a toenail to completely renew itself. During this period, it’s important to protect the toenail from further injury.

If the black toenail is caused by a fungal infection, the healing time may be longer. This is because fungal infections are often stubborn and can take several months to clear up, even with treatment. It’s essential to follow your healthcare provider’s instructions and complete the full course of medication to ensure the infection is completely gone.

For black toenails caused by more serious conditions like melanoma, the healing time can vary widely depending on the stage of the condition and the treatment approach. It’s crucial to follow your healthcare provider’s recommendations and attend all follow-up appointments.

Remember, patience is key when it comes to healing a black toenail. It’s a slow process, and trying to rush it can lead to further complications. In the meantime, wearing comfortable shoes like the Women’s Walking Shoe Dr. Comfort Grace can help ease discomfort and promote healing.

Can Black Toenail Lead to More Serious Conditions?

While a black toenail is often the result of a minor injury or fungal infection, it can sometimes be a sign of a more serious condition. For example, black toenails can be a symptom of melanoma, a type of skin cancer. Although this is rare, it’s essential to seek medical advice if you notice a sudden change in the color of your toenail without any apparent cause.

In some cases, a black toenail can also be due to underlying health issues like diabetes, kidney disease, or heart disease. These conditions can cause changes in the color and condition of your nails, including black toenails. Therefore, if you have a black toenail and also experience symptoms like fatigue, weight loss, or changes in urination, seek medical attention.

Even when a black toenail is due to a simple injury, if not properly cared for, it can lead to complications like a secondary bacterial infection or a nail bed infection. Therefore, it’s crucial to keep the area clean and dry, and avoid picking at the nail or trying to remove it yourself.

Remember, while black toenail can often be treated at home, you should always seek medical advice if you’re unsure. Early diagnosis and treatment can prevent complications and ensure you get the appropriate care. And wearing shoes that offer good support and comfort, like those from Orthofeet, can help prevent injuries and promote overall foot health.

How Should I Care for a Black Toenail at Home?

Caring for a black toenail at home involves relieving pain, preventing further injury, and monitoring the healing process. If the black toenail is due to a minor injury and there’s no sign of infection, you can often manage it at home with a few simple steps.

Firstly, elevate your foot to reduce swelling. If your toenail is painful, you can take over-the-counter pain relievers as directed. Also, avoid any activities that put pressure on the injured toenail, such as running or jumping.

If there’s a blood blister under the nail, avoid popping it as this can increase the risk of infection. Instead, let it heal naturally. The blood will eventually be absorbed back into the body, and the black color will grow out as your nail grows.

Remember to keep your feet clean and dry. This can help prevent bacterial and fungal infections. Also, wear comfortable and well-fitting shoes to avoid further injury. For women, the Women’s Walking Shoe Apis 9329 offers excellent comfort and support.

If the black toenail is loose, let it fall off naturally. Don’t try to remove it yourself as this can lead to an infection. Once the old toenail falls off, a new one will slowly grow in its place. Keep the new toenail protected by wearing closed-toe shoes until it’s fully grown.

Remember, if your black toenail doesn’t improve within a few weeks, or if it’s associated with severe pain, redness, swelling, or discharge, seek medical attention. These could be signs of an infection or a more serious condition.

When Should I See a Doctor for a Black Toenail?

While many cases of black toenail can be managed at home, it’s crucial to know when to seek medical attention. Here are some situations when you should see a doctor:

  • The pain is severe or getting worse.
  • There are signs of infection, such as redness, swelling, warmth, or discharge.
  • The black toenail is associated with other symptoms like fever, fatigue, or unexplained weight loss.
  • The toenail has fallen off, and there’s an open wound.
  • The black color doesn’t start to grow out within two to three weeks.
  • You have diabetes or another condition that affects your circulation.

Caring for your feet is the first step in good health; remember, the right shoes can be the difference between black toenails and a happy stride.

Remember, your health is paramount. If you’re unsure, it’s always safer to seek medical advice. Early diagnosis and treatment can prevent complications and ensure your feet stay healthy. In the meantime, ensure you’re wearing comfortable and supportive shoes, like the New Balance Men’s 847v4 Walking Shoe, to minimize foot discomfort and promote healing.

How Can I Prevent Black Toenail in the Future?

Preventing black toenail involves good foot hygiene, proper footwear, and care during physical activities. Here are some tips:

  • Keep your feet clean and dry to prevent fungal infections.
  • Trim your toenails straight across and not too short to prevent injuries and ingrown toenails.
  • Wear comfortable, well-fitting shoes that provide good support and enough space for your toes. Brands like Apis offer a range of shoes designed for comfort and fit.
  • Wear moisture-wicking socks to keep your feet dry, especially during physical activities.
  • Use foot powder or antifungal sprays if you’re prone to sweaty feet or fungal infections.
  • If you’re an athlete, ensure your running or sports shoes are specifically designed for the activity. They should have a secure fit, good shock absorption, and a spacious toe box.


Understanding black toenail is vital for anyone invested in maintaining optimal foot health. Knowing its causes, when to seek medical attention, and how to prevent its recurrence are all key steps in managing this condition. Properly fitted, comfortable shoes play a pivotal role in prevention and recovery. Through our discussion of different shoe options, we hope you’re now equipped with the knowledge to make an informed choice. Remember, at DT Footwear, we are dedicated to helping you find the right shoes to meet your unique needs and prevent conditions like black toenail. Do not hesitate to reach out to us with any questions you might have. Your foot health is our priority, and we’re here to help you every step of the way.


Disclaimer: The information provided in this article is for educational purposes only and should not be used as a substitute for professional medical advice. Each individual’s health situation is unique, and while we aim to provide useful insights, it’s important to consult with a healthcare provider for diagnosis, treatment, and answers to personal medical questions. Always seek the advice of a doctor or other qualified health provider regarding any medical condition or concern.

We collect cookies ok?