Ava Monroe
A toenail falling off is a common condition, often caused by injury, infection, or skin conditions. After a toe injury, the toenail may appear black or purple as blood collects underneath it, a condition known as subungual hematoma. The blood puts pressure on the nail, causing it to detach from the nail bed and eventually fall off after several weeks. Once the toenail falls off, it cannot reattach, and a new nail will need to grow back in its place. Depending on the severity of the injury and the care taken, this process can take anywhere from six months to two years for the nail to completely grow back. During this time, it is important to protect the exposed nail bed, keep the area clean, and seek medical attention if necessary.
| Characteristics | Values |
|---|---|
| Time taken for the nail to fall off after injury | Several weeks |
| Time taken for the nail bed to heal | 7-10 days |
| Time taken for toenail to grow back | 6 months to 2 years |
| Treatment for injury | Use a nail file to smooth sharp edges, clean the toe, apply antibiotic ointment, and cover with a bandage |
| Treatment for pain | Take nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen |
| Prevention | Keep toenails closely trimmed and wear well-fitting shoes |
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What You'll Learn
Toenail injuries and their treatment
Toenail injuries are a common occurrence, often caused by dropping something heavy on the foot, or from the frequent rubbing or friction of shoes. Athletes, runners, and hikers often experience a condition called "runner's toe", where repeated strain on the nail causes a subungual hematoma, or blood under the nail. This can lead to the toenail turning black or purple, and eventually detaching from the nail bed.
If you experience a toenail injury, the first step is to assess the severity. For minor injuries, you may be able to treat it at home by cleaning the wound and applying a bandage. It is important to keep the wound clean and dry to prevent infection. You can take nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen to help with the pain. If the nail is torn, use nail clippers or sterile scissors to carefully trim any jagged edges to prevent further injury.
For more serious injuries, such as a large bruise under the nail, deep cuts, or fractures, it is important to seek medical attention. A healthcare provider may need to drain the blood and fluid from under the nail to relieve pressure and pain. In some cases, the nail may need to be removed and the nail bed repaired with stitches. If the bone is broken, a wire may be placed in the toe to keep the bone in place.
After a toenail injury, it is common for the nail to fall off completely. In this case, it is important to keep the area clean and covered with a bandage to prevent infection. The nail bed will usually heal within 7 to 10 days, but it can take anywhere from 6 months to 2 years for the nail to grow back completely. The new nail may have grooves or ridges and may be misshapen, which can be permanent.
To prevent future toenail injuries, it is important to wear well-fitting shoes with enough room in the toe box to prevent pressure on the toenails. Keeping your toenails trimmed can also help to reduce the risk of injury. For those with diabetes or other conditions that affect healing or circulation, it is especially important to seek medical evaluation for any toenail injuries to reduce the risk of more serious complications.
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How to know if you need medical attention
A detached toenail is a common condition, but it can be painful. Toenail injuries can occur from unexpected trauma, such as stubbing your toe, dropping something heavy on it, or a puncture wound. They can also occur from chronic or persistent repetitive motion pressure on the toenail, such as from ill-fitting footwear or physical activity.
Most toenail injuries can be managed at home. If you injure your toenail, it might look black, blue, or purple under your toenail due to a subungual hematoma, which causes blood to collect under your injured toenail. As blood builds up under your nail, it may separate from your nail bed and eventually fall off. If the injury is minor, you may be able to stop the bleeding, ensure that the nail is not cut or torn and is still attached, cover less than a quarter of your nail, and that your toe isn't bent or misshapen. You can treat your injured toe at home by using a nail file to smooth any jagged or sharp edges, cleaning your toe and removing any debris, and applying an antibiotic ointment. Cover the area with a bandage. You can also take nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen to help with the pain.
However, you should seek medical attention in the following situations:
- If you have a subungual hematoma that covers more than half of your nail and is causing pain, you may need medical treatment to drain the blood and relieve pressure under the nail. A large hematoma can indicate a subungual laceration, and if left untreated, it could damage the nail matrix, causing permanent changes to how your nail grows.
- If you have blunt trauma to the toenail, such as a heavy object dropped on the toe, which may include a broken toe bone that needs treatment or a cut that needs stitches.
- If you have a condition that affects healing or circulation, such as neuropathy or diabetes, it is important to have your provider evaluate your toenail injury. In rare situations, an untreated injury could lead to toe amputation.
- If you experience persistent toe pain that lasts for several hours or days, it may indicate a subungual pressure hemorrhage in the nail bed, which can only be relieved by draining the hematoma with a sterile technique.
- If there is a chance of a bone fracture, which is more likely when there is blood under more than 25% of the nail plate.
- If the entire toenail falls off or the area around it won't stop bleeding.
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What to do if part of the nail is still attached
If you've injured your toe and part of your nail is still attached, there are several steps you can take to care for it. Firstly, it's important to assess the severity of the injury. If the tear is too far down or if the base or sides of the nail are pulling away or detached from the nail bed, you should seek medical attention at an urgent care center or emergency room. They can help stop any bleeding, clean the wound, and provide treatment to prevent infection.
If the injury is not severe and you feel comfortable treating it yourself, there are several things you can do. Firstly, ease any pain and swelling by propping your foot up with pillows so it's above the level of your heart. Apply an ice pack wrapped in a thin towel for up to 20 minutes every 3 to 6 hours as needed. You can also take over-the-counter pain relievers like ibuprofen or naproxen to help with pain and swelling.
When it comes to the nail itself, if only part of it has detached, do not try to remove the rest. Instead, use nail clippers or scissors to carefully trim the detached part of the nail to prevent it from catching on clothing or other surfaces. If there is any bleeding, make sure to stop it and clean the area. Apply a thin layer of petroleum jelly and cover the area with a nonstick bandage. Change the bandage daily and whenever it gets wet.
Keep your toe clean and dry to prevent infection. Soak your foot in a solution of warm water and salt a few times a day for the next few days, and continue to apply petroleum jelly and a fresh bandage afterward. It's important to be vigilant for any signs of infection, especially if you have diabetes or another condition that affects healing. If you notice any pain, redness, swelling, or other concerning symptoms, seek medical advice.
Remember, it can take a long time for toenails to grow back, anywhere from 6 months to 2 years. During this time, take care to keep your nails trimmed straight across and wear well-fitting shoes to prevent further injuries.
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How to care for your toe while the nail grows back
It can take anywhere from six months to two years for a toenail to grow back. The new nail may have grooves or ridges and be somewhat misshapen, which could be permanent. Here are some ways to care for your toe while the nail grows back:
Clean the wound
If there is bleeding, apply pressure with a clean cloth. Once the bleeding has stopped, gently clean the wound, removing any debris. If there is a large bruise, your doctor may create a small hole in the nail to drain the blood and relieve pressure and pain.
Apply antibiotic ointment
Apply an antibiotic ointment to the wound to prevent infection. Your doctor may prescribe antibiotics if necessary.
Bandage the toe
Cover the area with a bandage to protect the wound and keep it clean. This can also help hold the nail in place if it is still attached.
Take pain medication
Take nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen to help with any pain or inflammation.
Trim the nail
If the nail is torn or jagged, use a nail clipper or nail file to carefully trim it. This will prevent it from catching on your sock or clothing and causing further injury.
Wear well-fitting shoes
Make sure to wear shoes that fit properly and are not too tight. Ill-fitting shoes can put pressure on the blood vessels and cause further damage.
It is important to note that if there is a risk of infection, if the bone is fractured, or if the injury is severe, you should seek medical attention. Your doctor may need to repair the nail bed and provide additional treatment to ensure the nail grows back properly.
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What causes toenails to fall off
Toenail injuries are common, and losing a toenail can be a painful and worrying experience. Toenails usually grow back within 18 months, but it can take anywhere from six months to two years for the nail to fully regrow, depending on the cause and size of the lost toenail.
There are several reasons why toenails fall off. The most common causes are injuries, fungal infections, and psoriasis.
Injuries
Injuries are a common cause of toenail loss. Even minor injuries, such as dropping something on your foot, can lead to toenail detachment. When injured, the toenail often appears black or purple as blood collects under the nail, a condition called subungual hematoma. As blood builds up under the nail, it exerts pressure, and the toenail may fall off after several weeks.
Fungal Infections
Fungal infections are another frequent cause of toenail loss. Fungi can grow between the nail bed and toenail, eventually leading to detachment. Athlete's foot, diabetes, and ageing can all increase the risk of fungal infections.
Psoriasis
Psoriasis is an autoimmune condition that causes skin cells to build up. While it typically appears on the skin, it can also affect the toenails. The buildup of skin cells under the nail can act similarly to a subungual hematoma, causing pressure that leads to toenail detachment.
Other less common causes of toenail loss include medication side effects, certain illnesses, and chemicals.
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Frequently asked questions
It can take several weeks for the toenail to completely fall off after an injury.
If you lose your toenail, it's important to protect the exposed nail bed for about 7 to 10 days until the skin hardens. Keep the area clean and apply an antibiotic ointment to prevent infection. Cover the area with a non-stick bandage and change it daily.
It typically takes anywhere from 6 months to 2 years for a toenail to grow back completely, depending on the cause and the size of the lost toenail.
If you experience intense pain, throbbing, or see blood pooling under a large portion of the nail, you should seek medical attention. Additionally, if you have diabetes or other conditions that affect healing, be vigilant for any signs of infection.
Besides injuries, toenails can fall off due to fungal infections, psoriasis, medication side effects, or other illnesses.
