Isla Bennett
Losing a toenail can be a painful experience, and it can take a while for a new nail to grow back. Nails grow from the matrix, or the root of the nail, and are made of a protein called keratin. A lost toenail will typically grow back within a year and a half, but it can take up to two years. In the meantime, there are several steps you can take to care for your toe, including keeping it clean and dry, and covering it with a bandage to protect it from further injury.
| Characteristics | Values |
|---|---|
| Do fallen nails grow back | Yes |
| How long does it take for a fingernail to grow back | 4-6 months |
| How long does it take for a toenail to grow back | 6 months to 2 years |
| Toenail falling off causes | Trauma, injury, fungal infection, skin conditions, chemicals, medicines, severe illnesses |
| Toenail falling off treatment | Keep the nail bed dry, clean, and covered with petroleum jelly and an adhesive bandage, home treatment, surgery |
| Prevent toenail fungus | Wear well-fitting shoes and socks, keep the nail well-trimmed |
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What You'll Learn
Fingernails and toenails grow back at different rates
Nails have a good regeneration capacity, but they grow slowly. Fingernails and toenails grow back at different rates. Fingernails grow at a rate of about one-tenth of a millimeter each day, so completely removed fingernails usually grow back within 4 to 6 months. Toenails, on the other hand, grow at about half or a third of the rate of fingernails, with a complete regrowth time of 12 to 18 months.
The rate of nail regrowth can be influenced by various factors. Nails tend to grow slower in older adults, and in colder climates. Nails on the dominant hand tend to grow faster than the non-dominant hand. Trauma or injury can increase the rate of regrowth due to increased blood flow to the injured area. Overall health also impacts nail growth, with sickness or malnutrition slowing it down. Hormones also play a role, as nail growth may be quicker during pregnancy.
The cause of nail loss can also affect the regrowth timeline. Toenail fungus, for example, can take 12 to 18 months to grow out. In some cases, surgery may be required to remove the nail and prevent it from growing back. This procedure, known as onychectomy, involves removing the toenail or fingernail partially or completely.
To promote nail health and regrowth, it is important to keep the nail bed dry, clean, and covered with petroleum jelly and an adhesive bandage. Trimming the nails regularly and wearing well-fitting shoes and socks can also help prevent further injury and promote healthy nail growth.
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Nails grow from the nail matrix
Nails are made up of 196 layers of cells that are constantly being produced by the nail matrix. This area, located at the base of the nail, creates new cells that allow the nail to grow. The nail matrix is considered the most important structure within the nail unit, as it determines the thickness and width of the nail. The length of the matrix determines the thickness and shape of nail growth.
The nail matrix is made up of soft cells that are easily damaged. Trauma to the nail matrix can cause the production of new nail cells to stop for as long as three weeks. If the matrix is destroyed, it will not be able to create a nail. In cases of severe nail matrix damage, some or all of the nail may not grow back. However, it is rare for the nail matrix to be permanently damaged. With proper medical care, healthy nails can grow back.
The nail plate is the top of the nail, and underneath it is the nail bed, where the nail adheres to the finger. The lunula is the white crescent shape at the base of the nail, and it is the only visible part of the nail matrix. The germinal matrix is the area of the nail below the lunula, and it produces an estimated 90% of nail production, giving a natural curvature to the nail. The sterile matrix lies above the lunula.
The nail matrix is susceptible to various conditions that can affect nail growth. Subungual melanoma, for example, is a condition where cancerous cells grow in the nail matrix, causing striped discolouration. Nail matrix injuries can be treated with nail trephination, a procedure that drains trapped blood to relieve pain and help the new nail grow in correctly.
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Trauma is the number one cause of nail loss
A fingernail or toenail can become injured in various ways, including a blow to the nail, closing a finger or toe in a door, or dropping something heavy on it. Trauma is the number one cause of nail loss.
Injuries can cause the nail to separate from the nail bed, resulting in blood under the nail, known as a subungual haematoma. This condition can be extremely painful and may require medical attention if the bleeding is severe or the nail appears damaged. In some cases, a small hole may need to be created to drain the blood and relieve pressure.
If the injury involves the base of the nail, there may be permanent cosmetic changes. Nail biting and cuticle biting are also common causes of trauma to the nails, leading to conditions such as acute paronychia, an infection caused by bacteria under the tissue at the side of the nail. Additionally, wearing ill-fitting shoes can cause repeated trauma to the toenails, resulting in deformities.
To treat a nail injury, it is essential to stop the bleeding and ensure the nail is still attached to the nail bed. Keeping the area clean and dry is crucial, and applying a thin layer of petroleum jelly can help protect the nail bed. Covering the nail with a bandage can also aid in healing and prevent infection. In some cases, medical attention may be required, especially if there is a risk of infection or if the injury is severe.
It is important to note that once a nail falls off, it cannot reattach. Instead, a new nail will grow back in its place over time, with fingernails taking about six months or longer and toenails taking up to 18 months or more to regrow. During this time, it is essential to keep the nail bed clean and protected to ensure proper healing and prevent infection.
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Treatments for nail loss include surgery and medication
A detached nail can occur due to several reasons, including injury, infection, or certain skin conditions. Nails typically grow back within six months to two years, depending on the cause and size of the lost nail. During this time, it is important to take measures to relieve pain, promote healing, and prevent infection. This involves keeping the nail bed dry, clean, and covered with petroleum jelly and an adhesive bandage.
If only a part of the nail has fallen off, it is advisable to leave the remaining part of the nail in place and trim or file any sharp or uneven edges. This prevents the nail from catching on clothing or footwear and causing further injury. In some cases, it may be necessary to remove the nail to prevent infection and allow for proper regrowth.
Medication is often a more common treatment option for nail loss. For example, antifungal medications are typically prescribed for nail fungus, which is a common cause of nail detachment. Oral antifungal medications may include liquid medicines, pills, or tablets, such as terbinafine (Lamisil®), itraconazole (Sporanox®), and fluconazole (Diflucan®). Topical antifungal medications come in the form of creams, ointments, or gels that are applied directly to the nails. It is important to complete the full course of antifungal medication to prevent the fungus from returning and becoming more challenging to treat.
Additionally, medication can be used to treat specific conditions that contribute to nail loss, such as nail psoriasis. Treatments for nail psoriasis may include pills, injections, or topical treatments, depending on the severity and individual needs. Soaking the nail in warm water can also help alleviate symptoms, and phototherapy (light therapy) may be recommended in some cases.
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Preventing toenail loss by wearing well-fitting shoes
Toenails can fall off due to various reasons, including trauma, fungal infections, and improper nail trimming. While they do grow back, it can take up to 18 months for a completely removed toenail to regrow. Therefore, it is important to take preventive measures to avoid losing your toenails. One of the key ways to do this is by wearing well-fitting shoes.
Wearing the right shoes is crucial for maintaining healthy feet and preventing toenail problems. Ill-fitting shoes, especially those that are too tight or narrow, can increase the likelihood of ingrown toenails by putting pressure on the toes. This pressure can cause the nails to grow abnormally and curve inward instead of growing straight. Therefore, it is important to choose shoes that fit well and have a wide toe box, providing ample space for your toes to prevent any pressure or compression.
When selecting footwear, prioritize comfort and function over fashion. Choose shoes made from breathable materials with cushioned insoles to provide support and reduce friction. Avoid shoes with seams or rough edges that can rub against the toenails and cause irritation. It is also important to wear shoes appropriate for the activity you are engaging in. For example, invest in quality athletic shoes for exercise and supportive shoes with good arch support for daily wear.
Additionally, it is essential to periodically assess your footwear to ensure it still fits properly and provides adequate support. Replace worn-out shoes that no longer offer proper cushioning or have become too tight. Pay attention to any signs of discomfort or pressure points that may indicate the need for a different shoe style or size. By taking these measures, you can help prevent toenail loss and maintain healthy and comfortable feet.
In summary, wearing well-fitting shoes is crucial for preventing toenail loss. Choose shoes that provide comfort, support, and ample space for your toes. Prioritize function over fashion, and don't hesitate to consult a podiatrist if you experience persistent foot pain or nail issues despite wearing appropriate shoes.
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Frequently asked questions
Yes, fallen nails will usually grow back within a few months to a year and a half, although it can take up to two years in some cases.
If your nail falls off, keep the nail bed dry, clean, and covered with petroleum jelly and an adhesive bandage until the nail has grown back. Apply a new bandage whenever the old one gets wet.
Nails can fall off due to trauma, injury, or infection. For example, stubbing your toe, dropping something heavy on your foot, or a fungal infection can all cause nails to fall off.
To prevent your nail from falling off, keep your feet clean and your toenails trimmed, smooth, and short. Also, make sure to wear well-fitting shoes and socks.
If only part of your nail has fallen off, trim or file any jagged or uneven edges to smooth it out and prevent further injury. If the detached part is still attached to your toe, carefully trim it off with nail clippers to prevent it from catching on your clothing.
