
Fingernails are incredibly resilient, and they usually grow back after an injury. Nails grow at a rate of 0.13 inches per month, or about one millimeter every 10 days. However, it can take months for a fingernail to grow back completely, and the new nail may have grooves, ridges, or other defects. To promote nail regrowth, it's important to keep the nail bed dry, clean, and covered with petroleum jelly and an adhesive bandage. Additionally, certain procedures, such as nail trephination, can help relieve pain and promote correct nail growth after an injury.
| Characteristics | Values |
|---|---|
| Time taken for a fingernail to grow back | 3-6 months |
| Time taken for a toenail to grow back | 12-18 months |
| Average growth rate of fingernails | 0.13 inches/month or 1mm every 10 days |
| Average growth rate of toenails | Half the rate of fingernails |
| Factors that affect nail growth | Age, blood flow, frequent exposure to strong chemicals or water, and certain health conditions |
| Treatment for nail injuries | Trimming sharp edges, covering with tape or an adhesive bandage, keeping the nail bed dry, clean, and covered with petroleum jelly, nail trephination, surgery |
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What You'll Learn

Keep the nail bed dry and clean
Keeping the nail bed dry and clean is essential to prevent infection and promote healing. Nails grow back slowly, with fingernails taking about 6 months or longer to regrow entirely and toenails taking up to 18 months. During this time, maintaining proper nail bed hygiene is crucial.
If your nail has separated from the nail bed, it will not reattach, and you will need to keep the area dry and clean to facilitate the growth of a new nail. Wash any minor cuts or scrapes gently and apply a bandage if needed. Keeping the nail bed dry is crucial to prevent infection, as moisture can provide a breeding ground for bacteria.
Apply petroleum jelly to the nail bed and cover it with an adhesive bandage. Change the bandage whenever it gets wet to ensure the nail bed remains dry. This is especially important if you work in an environment where your hands are constantly wet, as it can make your nails more susceptible to damage or injury.
In addition to keeping the nail bed dry, it is essential to monitor the area for any signs of infection, such as increasing heat, redness, pain, tenderness, swelling, or pus. If you notice any of these symptoms, seek medical attention promptly. Proper care of the nail bed will help create optimal conditions for nail regrowth and prevent complications during the healing process.
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Protect the nail with tape or a bandage
Protecting the nail with tape or a bandage is an important step in the process of regrowing a fingernail. Nails are resilient, and regrowth is usually possible, but protecting the nail bed is crucial to ensure healthy nail regrowth.
Firstly, it is important to keep the nail bed dry, clean, and covered. The affected area should be cleaned gently, and any minor cuts or scrapes should be washed. If there is a large bruise, it is recommended to seek medical attention, as a small hole may need to be created in the nail to drain the blood and fluid, relieving pressure and pain. Once the area is cleaned, the nail bed should be covered with petroleum jelly, and then an adhesive bandage or tape should be applied. This will protect the nail bed and keep it secure while it heals.
It is important to keep an eye out for any signs of infection, such as increasing heat, redness, pain, tenderness, swelling, or pus. If the bandage gets wet, it should be replaced with a new adhesive bandage to ensure the area remains clean and protected. Keeping the area dry will also help prevent infection.
In the case of a detached nail, it is important to note that the nail will not reattach. The nail should be removed, and the area should be kept dry to prevent infection while waiting for a new nail to grow. Covering the nail with tape or an adhesive bandage can help protect the finger or toe until the nail has grown out enough to provide protection.
Protecting the nail with tape or a bandage is a simple but crucial step in the process of regrowing a fingernail. It helps keep the nail bed clean, secure, and protected while it heals, reducing the risk of infection and promoting healthy nail regrowth.
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Minor surgical procedures can improve the nail's appearance
Fingernails are incredibly resilient, and they usually grow back after an injury. Nails grow at a rate of 0.13 inches per month, or about one millimetre every ten days. However, this process can be slow and may take anywhere from three to six months or even longer. During this time, minor defects in the nail may appear due to damage to the nail matrix. These defects can manifest as whitish changes in the nail, which are caused by the lifting of the nail plate away from the nail bed, a condition known as onycholysis.
In some cases, minor surgical procedures can be performed to improve the nail's appearance. One such procedure is nail trephination, which involves draining trapped blood from a bruise under the nail. This procedure provides pain relief and helps the new nail grow in correctly. It must be performed within 48 hours of the injury, before the blood clots.
Another surgical procedure involves removing subungual melanoma. A biopsy is taken from the affected area in the nail matrix and under the nail. If melanoma is detected, the healthcare provider will remove the melanoma and possibly recommend additional treatments such as chemotherapy or radiation if the cancer has spread.
It is important to note that preventing infection and promoting healing are crucial aspects of nail care during the regrowth process. Keeping the nail bed dry, clean, and covered with petroleum jelly and an adhesive bandage can help achieve this. Additionally, trimming any sharp edges or detached parts of the nail can prevent further tearing and facilitate the regrowth process.
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Proper nail trimming can prevent injuries
Fingernails are incredibly resilient, and regrowth is usually possible after an injury. Nails grow at a rate of 0.13 inches per month, or about one millimetre every 10 days. However, proper nail trimming can prevent injuries and avoid the need for regrowth in the first place.
The nail matrix is the part of the body responsible for making new nails. It is made of special cells that constantly produce new nail cells. Certain injuries and illnesses can damage the nail matrix and affect how your nails grow. For example, a severe injury can cause your nail to fall off, and a bruise under your nail can cause black and purple discolouration.
You can help prevent problems with your nail matrix by cutting your nails properly. Trim toenails straight across to help prevent ingrown toenails. Trim fingernails with a slight curve at the edges, and don't cut them too short. This will help to prevent injuries and avoid damage to the nail matrix.
If you have a job that requires you to use strong chemicals or constantly have wet hands, your nails may be more susceptible to damage or injury. You can prevent some of these injuries by keeping your hands moisturised and using the proper protection for your nails.
In the case of a detached nail, the nail will not reattach. You will need to trim off the detached part and keep the nail bed dry, clean, and covered with petroleum jelly and an adhesive bandage until the nail has grown back. This will help prevent infection and promote healing.
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Physical therapy can help with pain and flexibility
Physical therapy can be an effective way to manage pain and improve flexibility after a nail injury. It can also help strengthen the surrounding areas, such as the wrists and shoulders, which can aid in the healing process and prevent further injuries.
In some cases, physical therapy may be recommended as an alternative to more invasive procedures, such as injections or surgery. It is important to consult with a healthcare professional to determine the best course of treatment for your specific condition.
One example of a physical therapy technique is the use of ergonomic equipment, such as an ergonomic keyboard, to keep your hands and wrists in a correct and comfortable position. This can help reduce pain and improve flexibility by maintaining proper alignment and reducing strain on the affected areas.
Additionally, certain exercises and stretches can be incorporated into your physical therapy routine to improve flexibility and strengthen the surrounding joints and muscles. A qualified therapist can guide you through these exercises and provide advice on proper form and technique to ensure safe and effective recovery.
For more severe injuries, or if there is an open wound, it is important to seek immediate medical attention. A healthcare professional can assess the extent of the injury and provide the necessary treatment, which may include cleaning the wound, stopping any bleeding, and in some cases, performing minor surgical procedures to promote healing and nail regrowth.
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Frequently asked questions
Fingernails grow at a rate of 0.13 inches per month, or 1mm every 10 days. It can take anywhere from 3 to 6 months for a fingernail to grow back completely.
To help a fingernail grow back, you should keep the nail bed dry, clean, and covered with petroleum jelly and an adhesive bandage. Change the bandage whenever it gets wet. You can also try physical therapy to strengthen your wrists and shoulders and build flexibility in your wrists.
If your fingernail won't grow back, it may be due to damage to the nail matrix. See a doctor to determine if you need to protect your finger during physical activity and whether you need to take any further steps.










































