
Losing a fingernail can be a painful experience, and it can take time for it to grow back. Fingernails have good regeneration capacity, but they grow slowly, at a rate of about one-tenth of a millimeter per day. In this article, we will discuss how to care for a nail injury at home, when to seek medical attention, and ways to promote nail regrowth. We will also explore factors that can affect nail growth, such as nail matrix injuries, certain health conditions, and skin diseases. Additionally, we will provide insights into the average time it takes for a fingernail to grow back and offer tips for preventing nail injuries.
| Characteristics | Values |
|---|---|
| Time taken for a new fingernail to grow | 4-6 months |
| Time taken for a new toenail to grow | 12 months |
| Time taken for the nail bed to heal | 7-10 days |
| Time taken for a broken bone in the finger to heal | 4 weeks |
| Treatment for nail injuries | Remove jewellery, clean the area, trim the nail, stop the bleeding, apply ice and elevate the area |
| Home remedies for yellow toenails | Baking soda, vitamin E, antifungal nail creams, and certain oils |
| Home treatment for ingrown toenails | Soak the affected foot in diluted white vinegar or Epsom salts, elevate the foot, and trim nails straight across |
| Treatment for fungal infections | Antifungal preparations applied topically or taken orally, and professional trimming, shaping, and care of the toenail |
| Treatment for nail matrix injuries | Nail trephination, a procedure that drains the trapped blood and helps the new nail grow in correctly |
| Ways to prevent problems with the nail matrix | Cut your nails properly: trim toenails straight across and fingernails with a slight curve at the edges, and don't cut them too short |
What You'll Learn

Fingernails can take 4-6 months to grow back
Fingernails are incredibly resilient, and they usually grow back after an injury. However, this process can take some time, and it's important to care for the affected area properly to ensure the nail regrows as well as possible.
Fingernails grow at a rate of about 1 millimetre every 10 days or 0.13 inches per month. This means it can take anywhere from 4 to 6 months for a fingernail to grow back completely. Toenails grow at about half the rate of fingernails, so they may take up to 18 months to regrow fully.
The rate of growth can vary depending on several factors. For example, ageing can decrease blood flow to the nails, slowing down their growth. Injuries to the nail bed or matrix can also slow down nail growth for about the first 3 months. More serious injuries may cause permanent deformities in the nail as it grows back.
To promote nail regrowth and support the healing process, it's important to keep the nail bed clean and dry. Applying a thin layer of petroleum jelly and covering the area with a bandage can help keep the nail bed moisturised and protected. Soaking the affected finger or toe in warm water with salt can also aid the healing process. Additionally, keeping your hands moisturised and protecting your nails in high-risk jobs can help prevent nail injuries and support healthy nail growth.
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Toenails can take up to 18 months to grow back
Losing a toenail can be a painful experience. Toenails take a long time to grow back—anywhere from 6 months to 18 months. The exact time depends on several factors, including the extent of the damage, age, health, and individual biology.
If you lose your toenail, it is important to take care of the injured area. Keeping the area clean and protected from further injury can promote faster healing. You should also manage any health conditions that might affect your nail growth. If you have any underlying conditions, see your doctor to ensure they are being treated properly.
In the case of a nail injury, you may be able to care for it at home if you can stop the bleeding quickly and the nail is still attached to the nail bed. Remove all jewelry from your hand. Gently wash any minor cuts or scrapes and apply a bandage if needed. For more serious nail injuries, you should go to an urgent care center or the emergency room.
To promote healing, keep the wound dry and covered. Clean and dry your nail bed daily and cover it with a bandage. Change the bandage once a day. Apply antibiotic ointment to the damaged nail to prevent infection. You can also apply ice (inside a cloth) for 20 minutes every 2 hours on the first day, then 3 to 4 times a day after that.
Toenail regrowth is a slow but steady process. Be patient as your nail grows in. You may be able to somewhat speed up your nail growth with soaks and vitamins, but you'll still need to wait for the nail to restore itself.
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Treat a nail injury by elevating the area and applying ice
Fingernails are incredibly resilient, so regrowth is usually possible after a nail injury. They grow at a rate of 0.13 inches per month, and toenails grow at about half that speed.
If you've injured your nail, you can treat it by elevating the area and applying ice. This will help to minimise swelling and pain, and expedite the recovery process. It's important to elevate the injured area above your heart, as this will decrease blood flow and reduce swelling. You can use a chair, bed, or pillows to prop up the affected limb.
For the first two to three days after the injury, apply ice to the injured area for 20 minutes every 2 hours. After this, you can apply ice 3 to 4 times a day. Make sure to wrap the ice in a cloth before placing it on your skin.
If you notice any signs of infection, such as swelling, increasing pain, redness, or pus, it's important to see a doctor. They may prescribe antibiotics to prevent infection and ensure the nail grows back smoothly.
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Nail trephination can help a new nail grow correctly
Fingernails are incredibly resilient, so nail regrowth is usually possible. However, the rate of growth decreases with age, as there is less blood flow to the nails. Nails can be damaged in various ways, such as through the use of strong chemicals or constant exposure to moisture. One common nail injury is a subungual hematoma, which is a collection of blood under the nail bed, often caused by a crushing or stubbing injury. This can result in intense pressure and pain, and if left untreated, can even cause the nail to come off completely.
Nail trephination is a quick and safe outpatient procedure that can be performed in a doctor's office or urgent care clinic to treat subungual hematomas. It involves making a small hole in the nail plate (the hard part of the nail) to drain the blood and relieve the pressure and pain. Trephination should only be performed by a healthcare provider, as attempting to do it yourself can lead to infection or further damage. The procedure is typically carried out within 24 to 48 hours of the injury, as this is when the blood is still in a liquid state and has not yet clotted, making drainage easier.
During the procedure, the provider will clean the nail and the surrounding area with soap and water, and then apply a wound-cleansing solution. They will then use a needle, an electrocautery device, or a special tool to make a small hole in the nail over the central area of the hematoma. The patient can expect to bleed from the trephination site, and there is also a risk of infection, loss of the nail, or re-accumulation of the hematoma. After the procedure, the patient should keep the area clean and dry, and follow up with a doctor if any signs of infection, such as redness, swelling, or pus, develop.
Nail trephination is an effective way to relieve the pain and pressure associated with subungual hematomas and can help prevent nail loss. By draining the blood and relieving the pressure, trephination promotes proper healing and allows the nail to grow back correctly. Without trephination, it may take several months for a hematoma to reabsorb or grow out, and nails that grow back may have ridges or other abnormalities. Therefore, nail trephination is a valuable procedure that can aid in the correct regrowth of nails after injuries.
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Prevent ingrown toenails by wearing wider shoes
Losing a fingernail can be a painful experience, and it can take about four to six months for a new fingernail to grow back. Toenails take even longer, about 12 months. In the meantime, it's important to take care of the nail bed and keep it clean and dry to prevent infection.
To prevent ingrown toenails, it's important to wear shoes that are not too tight and have a wide toe box. This allows your toes to spread out comfortably and reduces the risk of nail impaction. Narrow or pointed shoes can force the toes into an unnatural position, leading to ingrown toenails over time. High heels can also alter the weight distribution on your feet, increasing pressure on the toes and toenails. The ideal heel height is 2 inches or lower. If you must wear heels, choose ones with a wider base and lower height to reduce the pressure on the front of the foot.
Wearing shoes that are too tight or have a narrow toe box can restrict blood flow and prevent the toes from moving naturally. This can create a dark, moist environment with little airflow, which can cause bacteria to grow and increase the risk of infection. Shoes with a pointed toe box can also affect the way your nails grow, leading to ingrown toenails.
It's important to choose shoes that fit well and provide adequate support. This will help reduce the risk of toenail problems and improve comfort and mobility. If you're experiencing persistent foot pain or nail issues, consult a podiatrist, who can advise you on the best type of shoe for your feet and activities.
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Frequently asked questions
It can take up to 6 months for a fingernail to grow back. Fingernails may grow one-tenth of a millimeter each day.
You can apply a cold compress for up to 20 minutes to reduce swelling and inflammation. Keep your nail elevated to reduce blood flow to the injury, which can help decrease swelling and bruising.
Biotin supplements promote cell growth and help your body metabolize protein-building amino acids, thus contributing to faster nail growth.
Remove any jewelry, clean the area with soap and water, trim the nail, stop the bleeding, apply ice, and elevate the area. For more serious injuries, seek medical attention.

