Ava Monroe
A fingernail or toenail can be injured by a blow to the nail, by closing a finger in a door or drawer, or by pinching or crushing the finger. This kind of trauma can result in blood under the nail, called a subungual hematoma, which can cause the nail to fall off. A nail may also separate from the nail bed due to injury, fungal nail infection, skin conditions, or certain medications and illnesses. In the event of a nail falling off, it is important to protect the sensitive skin of the nail bed with a bandage and to keep the area clean and dry to prevent infection.
| Characteristics | Values |
|---|---|
| Reasons for nail falling off | Injury, fungal nail infection, skin conditions, chemicals, medicines, severe illnesses, peripheral artery disease, etc. |
| Treatment | Cover the nail with tape or an adhesive bandage, trim off the detached nail, soak the finger/toe in cold water, apply petroleum jelly, etc. |
| Healing time | 7-10 days for the nail bed to heal, 4-6 months for a new fingernail, 12 months for a toenail |
| Nail regrowth | Nails will not reattach to the nail bed but will regrow over time |
| Prevention | Wear properly sized shoes, keep fingernails trimmed, avoid nail biting and cuticle biting, etc. |
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What You'll Learn
- Causes: Fingernail or toenail injuries, fungal infections, skin conditions, and medications
- Treatment: Trimming the nail, covering with tape or a bandage, and soaking in salt water
- Regrowth: Fingernails regrow in 4-6 months, toenails in 12 months, with grooves or ridges
- Prevention: Wear properly-sized shoes, keep nails trimmed, and avoid nail biting and cuticle manipulation
- Complications: Nail injuries can lead to infections, permanent cosmetic changes, and bone fractures
Causes: Fingernail or toenail injuries, fungal infections, skin conditions, and medications
Fingernails and toenails falling off is a common occurrence that can happen due to several reasons. Onycholysis, or nail separation, occurs when a nail separates from the nail bed, the skin underneath the nail on which it rests. It can be caused by several factors, including injuries, fungal infections, skin conditions, and medications.
Injuries
Injury is a common cause of nail separation. For people with long fingernails, the nail can pry away from the nail bed when hit or jammed. Stubbing your toe or wearing tight shoes can also lead to toenail detachment. Smashing your finger in a door or cutting it with a sharp object can cause nail injuries. In some cases, a large amount of blood accumulating under the nail can increase the risk of the nail falling off.
Fungal Infections
Fungal infections occur when fungi invade the space between the nail and the nail bed, usually through cracks or cuts in the finger or toe. These infections can cause the nails to become thick, yellow, and streaked, with white spots.
Skin Conditions
Certain skin conditions, such as psoriasis, can also lead to nail separation. Additionally, autoimmune conditions such as type 1 diabetes and hyperthyroidism have been associated with onycholysis.
Medications
Certain medications have been linked to nail separation. For instance, medications that cause light sensitivity, such as chemotherapy drugs, tetracycline, nonsteroidal anti-inflammatory drugs (NSAIDs), psoralens, and oral retinoids, can contribute to onycholysis.
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Treatment: Trimming the nail, covering with tape or a bandage, and soaking in salt water
Fingernails and toenails can be injured by a blow to the nail, by closing a finger or toe in a door or drawer, or by pinching or crushing the finger. This kind of trauma commonly results in blood under the nail, called a subungual hematoma. Nails can also be accidentally torn or split, or a splinter can get under the nail.
If your fingernail falls off, it's important to protect the sensitive skin of the nail bed. You can do this by covering the area with a bandage or adhesive tape until the nail has grown out enough to protect the finger. If you trim off the detached nail, you won't have to worry about the nail catching and tearing. To trim the nail, use scissors to remove the detached part if the nail is partly attached. After trimming the nail, soak your finger or toe in cold water for 20 minutes. Then, apply a thin layer of petroleum jelly, such as Vaseline, and cover the area with a non-stick bandage.
To help the nail heal and prevent infection, soak your hand or foot in a solution of one teaspoon of salt dissolved in four cups of warm water for 20 minutes, two or three times a day, for the next three days. Reapply petroleum jelly, and cover with a fresh adhesive bandage. Keep the nail bed dry, clean, and covered with petroleum jelly and an adhesive bandage until the nail bed is firm or the nail has grown back. This should take about four to six months for a fingernail and about 12 months for a toenail.
If you are uncomfortable trimming the nail yourself, or if you have diabetes, peripheral arterial disease, or an immune system problem, seek medical attention. Similarly, if you see red streaks on your hand or forearm, or if you feel feverish or nauseated, seek medical attention, as these could be signs of a serious infection.
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Regrowth: Fingernails regrow in 4-6 months, toenails in 12 months, with grooves or ridges
If a fingernail falls off, it can be regrown in 4 to 6 months, while a toenail will take 12 months. The new nail will likely have grooves or ridges and may be misshapen, which could be permanent.
If a nail falls off, it is important to take care of the exposed nail bed. The nail bed should be kept clean and covered with a bandage to protect it from dirt and debris. It is also important to keep the area dry to prevent infection. If there is bleeding, it is important to stop it and apply a thin layer of petroleum jelly to the area before covering it with a bandage. Soaking the finger or toe in a solution of salt and warm water can help to clean and disinfect the area. This should be done for 20 minutes, two to three times a day, for three days.
It is normal for there to be some blood under the nail, called a subungual hematoma, after a nail injury. If the blood occupies more than half of the nail area, it is recommended to see a doctor as it could indicate an underlying bone fracture or tissue tear. In some cases, doctors may drain the accumulated blood by drilling a small hole in the nail plate. This procedure should be done within 24 hours, before the blood coagulates.
To promote nail regrowth, it is important to keep the nail bed and the area around it clean and protected. Trimming the detached nail can help prevent it from catching and tearing. Applying a small amount of antibiotic ointment to the area can also help prevent infection and promote healing. In some cases, a splint or special shoe may be recommended to protect the nail and toe or finger as they heal.
To prevent further nail injuries, it is recommended to keep fingernails trimmed and avoid biting them or the cuticles. Toenails should be trimmed straight across to prevent ingrown toenails. Wearing properly sized shoes can also help to prevent toenail injuries.
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Prevention: Wear properly-sized shoes, keep nails trimmed, and avoid nail biting and cuticle manipulation
Fingernails and toenails falling off, or onycholysis, is a common condition that can occur due to several reasons. It usually affects only one nail and can be caused by injury, fungal infections, certain medications, skin conditions, and more. Nails that are long or jammed into tight shoes are more prone to injuries and subsequent separation from the nail bed.
Wear properly-sized shoes
Wearing shoes that fit well is crucial in preventing nail injuries. Tight or ill-fitting shoes can exert pressure on the toenails, causing them to detach from the nail bed. Athletes, in particular, should ensure they wear roomy enough shoes to prevent toenail injuries during sports activities.
Keep nails trimmed
Maintaining short and smooth nails is essential for both finger and toenails. Long nails are more susceptible to injuries, as they can easily get hit, jammed, or caught on clothing or other objects, leading to potential nail bed separation. Trimming your nails regularly helps reduce the risk of such injuries and keeps them healthy.
Avoid nail biting and cuticle manipulation
Nail biting and manipulating the cuticles with sharp objects can damage the nail bed and increase the risk of nail separation. Additionally, biting your nails can introduce bacteria into your mouth and cause infections. To prevent nail biting, you can try deterrents like coating your nails with a spicy jalapeño juice or dipping them in salt to leave an unappealing taste in your mouth. However, these methods may not work for everyone, and some may find the residue from the substances messy or irritating.
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Complications: Nail injuries can lead to infections, permanent cosmetic changes, and bone fractures
Fingernail and toenail injuries are common and can occur due to various reasons, such as a blow to the nail, closing a finger in a door or drawer, or ill-fitting shoes. While these injuries can be painful and cause discomfort, they can also lead to more severe complications if left untreated.
One of the most common complications of nail injuries is infection. Paronychia, for instance, is an infection of the skin around the nail, often caused by bacteria or fungi entering through cuts or damage to the skin. This condition can cause redness, swelling, and pain around the nail and may require medical attention, especially if it does not respond to initial treatment. Diabetic individuals are at a higher risk of developing paronychia and should take extra precautions to prevent nail injuries.
Nail injuries can also lead to cosmetic changes in the nail. For example, crush injuries to the fingertip or toenail bed can result in deformities, such as bends, creases, or splits in the new nail as it grows back. In some cases, the nail may not fully stick to the skin and lift up, or it may not grow back completely. These changes can be permanent and affect the appearance of the nail.
Furthermore, nail injuries can sometimes indicate underlying bone fractures. If there is significant bleeding under the nail, it is important to seek medical attention as it could signify a fracture in the growth plate or the bone closest to the tip of the finger. Early diagnosis and treatment of bone fractures are crucial to prevent future problems and ensure proper healing.
To prevent and manage these complications, it is essential to keep the injured area clean and dry. Trimming the nail, if possible, and covering it with a bandage can help protect the nail bed and reduce the risk of further injury. Soaking the injured finger or toe in warm water and applying petroleum jelly can also aid in the healing process. However, if the injury is severe or does not improve, it is always best to seek medical advice.
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Frequently asked questions
If your fingernail falls off, it is important to protect the sensitive skin of the nail bed. You can do this by covering the area with a bandage or adhesive tape. Soaking your hand in a solution of salt and warm water can also help prevent infection.
A new fingernail will take about 4 to 6 months to grow back and replace the lost nail. In the meantime, the new nail will slowly push up the old nail, which will come off when it's ready.
There are many reasons why a fingernail may fall off. A common cause is a nail injury, such as slamming your finger in a door or hitting it with a hammer. Other causes include fungal nail infections, skin conditions, and side effects from medications or severe illnesses.
To prevent fingernail injuries, it is important to wear properly sized shoes and gloves when working with tools or machinery. You should also keep your fingernails trimmed and avoid biting them or the cuticles.
