Noah Sinclair
Losing a fingernail or toenail is a common occurrence that can result from various traumatic events, such as smashing a finger in a door or dropping something heavy on your foot. In most cases, the nail will grow back within a few months to a year, depending on the severity of the injury and whether it involved any permanent damage to the nail matrix or nail bed. Proper medical care and treatment are crucial to ensure the nail grows back properly and to prevent any infections.
| Characteristics | Values |
|---|---|
| Time taken for a new fingernail to grow | 4 to 6 months |
| Time taken for a toenail to grow | 6 months to 2 years |
| Time taken for the nail bed to heal | 7 to 10 days |
| Time taken for a broken bone in the finger or toe to heal | 4 weeks |
| Fingernail growth rate | 0.13 inches per month |
| Toenail growth rate | Half the rate of fingernails |
| Factors that may cause nail loss | Peripheral artery disease, eczema, psoriasis, fungal infections, diabetes, athlete's foot, injuries, chemotherapy, medication, etc. |
| Actions to take if the toenail is loose | Keep the nail edges smooth, cover the toe with a dressing, avoid tight footwear, monitor for infection, etc. |
| Actions to take if the toenail has fallen off | Contact a doctor if there is severe pain or bleeding. Otherwise, clean the toe, apply antibiotic ointment, and cover with a bandage. |
| Actions to take if the fingernail is injured | If bleeding can be stopped quickly and the nail is not torn, you may be able to care for it at home. Otherwise, go to an urgent care center or the emergency room. |
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What You'll Learn
Nail injuries and their treatment
Nails are prone to damage as they are located on the back of our fingertips and toes. Longer nails are more susceptible to damage because they can be levered off the nail bed or run into the end of an athletic shoe. Poorly fitting shoes are also a common cause of nail injuries due to repeated trauma.
Treatment for nail injuries
The treatment for nail injuries depends on the type and seriousness of the injury. If the nail is still attached to the nail bed and there is no permanent damage to the nail matrix or nail bed, the nail will likely grow back normally. If a portion of the nail is still attached to the nail bed, it can be left intact, and the non-adhering portion should be removed. The usual precautions to prevent infection should be taken, such as covering the damaged skin with a dressing and applying an antibiotic ointment.
If the entire nail is detached, there is nothing that can be done to repair or reattach it. If there is damage to the surrounding tissues, a physician may need to repair it. In some cases, a physician may replace the nail with a special type of material that remains on the nail bed as it heals. The nail matrix is the part of the nail that is responsible for nail growth, and severe damage to it can result in permanent nail loss.
If there is a broken bone, a wire may need to be placed in the finger to keep the bone in place. To reduce pain and swelling, it is recommended to apply ice, keep the hand or foot elevated, and take pain relievers such as ibuprofen or naproxen.
Causes of nail loss
Nails can fall off due to various reasons, including injuries, infections, and underlying health conditions. Smashing fingers in doors, hitting them with hammers, or dropping heavy objects on toes can cause nail injuries. Toenails can also become loose and fall off due to pressure from enlarged exostosis or fungal infections. Certain types of fungi can infect toenails, causing them to thicken, turn yellow, crack, or become cloudy. Peripheral artery disease, which reduces blood flow to the legs and feet, can also slow nail growth.
Regrowth of nails
In most cases, nails will grow back within a few months to a year, depending on the severity of the injury and the type of nail. Fingernails typically regrow within 3-6 months, while toenails can take up to 12 months to 2 years. However, if there is significant damage to the nail matrix, the nail may not grow back or may grow back with defects.
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Factors that may prevent nail regrowth
Fingernails and toenails usually grow back after being lost or falling off due to trauma or injury. However, there are several factors that may prevent or slow down nail regrowth. Here are some key factors that can affect nail regrowth:
Nail Matrix Damage
The nail matrix is the part of the nail responsible for nail growth. If the nail matrix is severely damaged, it may affect nail regrowth. In rare cases, permanent damage to the nail matrix can prevent the nail from growing back entirely. Minor damage to the nail matrix can also lead to defects in the growing nail, resulting in a deformed nail.
Peripheral Artery Disease (PAD)
PAD causes reduced blood flow to the legs and feet, which can affect the nail matrix and slow down nail growth.
Skin Conditions
Certain skin conditions, such as severe eczema, can interfere with nail growth. Nail psoriasis, which affects up to 80% of people with psoriasis, can cause white lines, pitting, and crumbling of the nails.
Fungal Infections
Fungal infections, particularly in toenails, can hinder nail regrowth. Symptoms of toenail fungus include thick, yellow, cracked, or cloudy nails.
Serious Illnesses
Serious health events or illnesses, such as a heart attack, COVID-19, or pneumonia, can interrupt nail growth and cause Beau's lines (horizontal ridges in the nails). Chemotherapy and other medications can also temporarily affect the nail matrix, leading to slow nail growth and changes in nail colour.
Age and Overall Health
Nail growth tends to slow down in older adults. Overall health can also impact nail growth; malnutrition or being sick can slow down the regrowth process.
It is important to note that proper medical care and treatment can often promote healthy nail regrowth. Seeking medical advice is crucial if you experience nail loss or any related concerns.
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How to care for a detached nail
A detached nail is often the result of a traumatic event, such as slamming your finger in a door or dropping something heavy on your toe. It can also be caused by a fungal infection, skin conditions, certain medications, or severe illnesses. If the nail has completely detached, there is no way to reattach it, and the focus should be on caring for the exposed nail bed and preventing infection. Here are some detailed instructions on how to care for a detached nail:
Assess the Damage
Firstly, assess the damage to your nail and the surrounding area. If there is any damage to the adjacent tissues, nail bed, nail matrix, or proximal nail fold, seek medical attention. If there is no evidence of tears or lacerations to the matrix or nail bed, you can proceed with home care.
Remove the Nail
If only a portion of the nail is detached, carefully remove any unattached remnants of the nail with a nail clipper. This will help prevent further trauma and damage to the nail.
Clean the Area
Gently clean the exposed nail bed with a soapy washcloth and water to remove any dirt or foreign material. You can also soak your finger or toe in warm water with a teaspoon of salt dissolved in it for 20 minutes, two to three times a day for the next three days. This will help keep the area clean and promote healing.
Apply Petroleum Jelly and a Bandage
Apply a thin layer of petroleum jelly, such as Vaseline, to the affected area. This will help keep the nail bed moist and promote healing. Then, cover the area with a non-stick bandage to protect it from external bacteria and trauma. Change the bandage whenever it gets wet, and continue this process until the nail bed is firm or a new nail has grown back.
Take Pain Medication
Detaching a nail can be very painful. Take over-the-counter pain medications such as ibuprofen or naproxen to help reduce pain and swelling. You can also take acetaminophen for pain relief, but it will not help with swelling. Always consult with your healthcare provider before taking any new medication, especially if you have a pre-existing medical condition.
Keep the Area Dry
Keep the nail bed dry to prevent infection. If you notice any signs of infection, such as increasing heat, redness, pain, tenderness, swelling, or pus, seek medical attention immediately.
Follow-up Care
A new fingernail will usually take about four to six months to grow back, while a toenail can take up to 12 to 18 months. The new nail may have grooves, ridges, or be misshapen, and these changes may be permanent. If you have any concerns during the healing process, do not hesitate to consult a healthcare professional.
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The average nail regrowth time
Fingernail Regrowth
Fingernails typically grow at a rate of 0.123 to 0.13 inches per month or about 0.095 to 0.13 mm per day. This translates to a complete regrowth of a fingernail in about 3 to 6 months. However, it's important to note that the growth rate can vary depending on the finger. For example, the fingernail on your little finger tends to grow slower than the other fingernails.
Toenail Regrowth
Toenails grow at a slower rate than fingernails, typically taking anywhere from 6 months to 2 years to fully regrow. The average regrowth time for toenails is about 12 to 18 months. Toenails are more susceptible to fungal infections, which can further slow down their growth.
Factors Affecting Nail Regrowth
Several factors can influence the rate of nail regrowth. Age is one factor, as blood circulation slows with age, resulting in slower nail growth. Overall health and nutrition also play a role, as nail growth may be slower in individuals who are sick or malnourished. Hormones can also affect nail regrowth, with nails growing faster during puberty and pregnancy due to increased hormone levels.
Additionally, the rate of nail regrowth can be impacted by the type of injury and the extent of damage to the nail bed and matrix. Nails may grow more slowly for about 3 months after an injury, and severe damage to the nail matrix can result in permanent deformities in the regrown nail.
It's important to note that proper medical care and treatment are crucial for nail regrowth. In some cases, a physician may need to assess and repair any damage to ensure proper healing and regrowth.
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What to do if you lose a toenail
Losing a toenail can be painful and uncomfortable. It is usually caused by an injury, fungal infection, or psoriasis. In rare cases, it can be a symptom of a more serious illness. If your toenail falls off, there are several things you should do to prevent infection and promote healing.
Firstly, do not rip off the toenail or tear off the piece that is detaching. You can trim the nail straight across, leaving any sections that are still attached to the nail bed. Once the nail has completely fallen off, clean your toe and apply an antibiotic ointment or cream to prevent infection. You can also bandage the toe to protect the nail bed.
If you experience intense pain or throbbing near the area, contact your doctor. They may recommend using a heated needle or wire to make a small hole in your toenail to relieve the pressure. You can also take over-the-counter pain medication, such as ibuprofen, to help manage the pain.
It is important to keep the area clean and dry to prevent infection. You may need to apply a special type of material to the nail bed as it heals, and your doctor may prescribe antibiotics. Depending on the severity of the injury, your doctor may also recommend additional treatments to ensure your toenail grows back properly.
Toenails can take anywhere from 12 to 18 months to grow back, and the new nail may have grooves, ridges, or be misshapen. With proper medical care, most people can expect their toenails to grow back, although in rare cases, there may be permanent damage to the nail matrix or nail bed, resulting in a deformed nail or no regrowth.
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Frequently asked questions
If your nail falls off, you should seek medical attention to ensure there is no permanent damage to the nail matrix or nail bed. Your doctor will be able to advise on the best course of treatment to encourage nail regrowth.
Depending on the cause and the size of the lost nail, it can take anywhere from 4 to 6 months for fingernails and 6 months to 2 years for toenails to grow back.
Nails can fall off due to various reasons, including injuries, fungal infections, skin conditions, and illnesses.
A damaged nail may appear distorted with grooves, ridges, discolouration, or whitish changes.
To prevent nail loss, it is important to keep your nails clean, smooth, and trimmed. Avoid tight or poorly fitting shoes that can put pressure on the nails or cause repeated trauma.
