Noah Sinclair
A cracked nail can be a painful and frustrating experience. Nails are produced by the nail matrix, which is the part of the body responsible for creating new skin cells to replace old ones, allowing nails to grow. When a nail cracks, it may take some time for the nail matrix to start producing new cells again, but it will eventually begin to function normally. In the meantime, there are steps you can take to manage pain and protect your nail health, such as soaking the affected area in warm water and applying petroleum jelly. In some cases, medical attention may be required to treat infection or relieve pressure caused by blood trapped under the nail. With proper care and time, most cracked nails will grow back, although the process may take several weeks to a few months.
| Characteristics | Values |
|---|---|
| Nail growth after a crack | Nails can grow back after a crack, but it may take a few weeks or months. |
| Factors affecting nail growth | Proper medical care, diet, general health, and nail care can influence nail growth. |
| Nail matrix | The nail matrix is responsible for nail growth. Damage to the nail matrix can affect nail growth and appearance. |
| Nail bed | Damage to the nail bed can cause whitish changes and permanent cosmetic defects in the nail. |
| Nail trauma | Blunt force trauma, repeated trauma, and ill-fitting shoes can cause nail cracks, detachment, and deformities. |
| Treatment | Trimming, filing, cleaning, and covering the nail bed with petroleum jelly can aid in healing. In some cases, medical treatment or surgery may be required. |
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What You'll Learn
Toenails take longer to grow back than fingernails
Nails are produced by the nail matrix cells that reside in the moon-shaped whitish area (lunula) at the base of the nail. Toenails grow much more slowly than fingernails, taking up to a year and a half to completely grow back, compared to 4 to 6 months for a fingernail. Toenails grow at an average rate of 1.62 mm per month, which is about half the rate of fingernails.
The reason for the difference in growth rates is not fully understood. One theory suggests that fingers receive more blood flow because they are used more often, contributing to faster fingernail growth. Toenails are also more susceptible to fungal infections, as fungi thrive in warm, wet environments.
Injuries to the nail matrix can cause nail infections and affect how your nails grow back. If the nail matrix is not damaged, the nail will typically regrow, although it may take several weeks for the new nail to appear. In cases of severe nail matrix damage, some or all of the nail may not grow back, and the growing nail plate may contain defects. Minor damage will produce minor defects, while more significant damage can result in a permanently deformed nail.
To support healthy nail regrowth, it is important to maintain proper foot care and overall health. A well-rounded diet and good general health can help produce strong nails.
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Protect the nail bed
Protecting the nail bed is crucial to ensuring the nail can grow back healthily. The nail bed is the area under the nail plate, and damage to it can cause whitish changes in the nail. To protect the nail bed, it is important to:
- Keep the nail bed dry, clean, and covered with a protective layer such as petroleum jelly and a bandage until the nail bed is firm or the nail has grown back.
- Apply a new bandage whenever the bandage gets wet to prevent infection and promote healing.
- Watch for signs of infection, such as increasing heat, redness, pain, tenderness, swelling, or pus. If any of these symptoms develop, seek medical advice.
- Avoid wearing tight-fitting shoes, as these can cause repeated trauma to the nail and lead to deformities. Choose well-fitting shoes that provide ample room for the toes to prevent toenail trauma.
- Keep your nails trimmed and avoid biting them or the surrounding cuticles. This helps prevent accidental tearing or splitting of the nail and reduces the risk of infection.
- Regularly file and clean your nails to keep them strong and healthy. This is especially important if you have a cracked nail, as brittle nails are more susceptible to further damage.
- Seek medical advice if you experience significant nail trauma, as a physician can provide guidance on managing the injury and promoting nail regrowth.
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Proper medical care helps regrowth
A cracked nail can be distressing, but with proper medical care, it can regrow to its former glory. The nail matrix, the area under the base of your nail, is responsible for nail growth. When a nail is damaged, it is often the nail matrix that is injured. In most cases, the nail matrix will heal with the right treatment, and a healthy nail will grow back.
If you experience a nail injury, it is important to assess the damage and take the necessary steps to prevent infection and aid healing. Start by cleaning the affected area with soap and water, and apply a suitable ointment to the damaged skin. Cover the area with a clean bandage, and ensure that any sharp edges are filed down to prevent further injury.
In some cases, a detached nail may require medical attention. If there is significant damage to the surrounding areas, or if there are signs of infection such as swelling, pain, or pus, it is important to seek medical advice. A physician may recommend a minor surgical procedure, such as nail trephination, to relieve pain and promote correct nail growth.
Certain conditions, such as nail fungus, nail psoriasis, and subungual melanoma, can also affect nail growth and require medical intervention. For example, prescription antifungal pills are typically recommended for nail fungus, while nail psoriasis may be managed with pills, injections, or topical treatments. Subungual melanoma, a type of skin cancer that affects the nail matrix, requires surgical removal of the affected area.
Overall, while nail cracks and injuries can be unsightly and painful, proper medical care can effectively promote nail regrowth and restore nail health. With the right treatment and care, you can expect to see healthy nails grow back over time.
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Nail biting can cause trauma to the nails
Nail-biting, or onychophagia, is a common habit, with up to 30% of the population biting their nails. It usually starts in childhood, around the age of 3 or 4, and is less common in children younger than 3. While many children outgrow nail-biting, it can persist into adolescence and adulthood. It is often a coping mechanism for dealing with negative emotions such as nervousness, boredom, loneliness, or hunger. There may also be a genetic predisposition, with a higher incidence of mood and anxiety disorders in the families of those with onychophagia.
Nail-biting can cause trauma to the nails and the surrounding skin, leading to visible damage. Repeated biting can also cause short-term issues such as dental problems, including misalignment and chipped teeth. Additionally, putting fingers in the mouth increases the risk of bacterial infections in the body, and if the bitten nails are swallowed, there is a risk of stomach or intestinal infection. Although rare, long-term damage from nail-biting can occur, especially if the nails are ingested.
The nail matrix, the whitish moon-shaped area at the base of the nail, is responsible for nail growth. If the nail matrix is damaged, the nail may grow back with defects or deformities. In severe cases of matrix damage, the nail may not grow back at all. While nail-biting may not directly cause damage to the nail matrix, it can lead to nail trauma and increase the risk of injury to the matrix.
To prevent nail trauma and potential matrix damage, it is important to break the nail-biting habit. This can be challenging, but identifying triggers and finding replacement behaviours can help. Keeping nails trimmed and using bitter-tasting products on the nails may also deter biting. For persistent cases, cognitive behavioural therapy (CBT) and acceptance and commitment therapy (ACT) can address the underlying psychological causes.
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Keep nails strong and clean to avoid cracks
Keeping your nails clean and well-maintained is essential for nail health and can help prevent cracks. Nails that are too long are more likely to break, chip, or split, so keeping them trimmed can help prevent damage. Filing your nails is a good way to maintain their length, but be sure to file in one direction, not in a back-and-forth motion, as this can weaken your nails. It's also important not to file the sides of your nails too much, as this can also weaken them.
To keep your nails clean, scrub the underside of your nails with soap and water or a nailbrush every time you wash your hands. This will help prevent the spread of germs and nail infections, as dirt and bacteria can gather under long nails and contribute to infections. In addition to keeping your nails clean, it's important to keep your nail grooming tools clean as well. Be sure to clean nail clippers and files before use, and if you're in a commercial setting, such as a nail salon, sterilize the tools before use.
Maintaining strong nails is another important factor in preventing cracks. One way to keep your nails strong is to avoid using them as tools. For example, instead of using your nails to open a soda can, use the pads of your fingers or a paper clip. This will help prevent breakage and chipping. In addition, keeping your hands moisturized can help strengthen your nails. Apply hand cream or nail lotion after removing nail polish or whenever you think your hands are feeling dry.
Another factor that can contribute to nail strength is your diet. Eating a nutrient-dense and varied diet that is high in protein can help promote nail health. Drinking enough water is also essential, as it helps your nails retain moisture and stay strong. If you're experiencing brittle nails, you may want to consider taking a biotin supplement or collagen peptides to improve nail health.
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Frequently asked questions
Toenails take longer to grow than fingernails. Fingernails grow at a rate of 0.13 inches per month and can take 3-6 months to regrow completely. Toenails can take anywhere from 6 months to a year to grow back, and in some cases, like blunt force trauma, it may take up to two years.
Keep the nail bed dry, clean, and covered with petroleum jelly and a bandage until the nail bed is firm or the nail has grown back. Apply a new bandage whenever the bandage gets wet.
If a portion of the nail is still attached to the nail bed, it's best to leave it intact. Remove the non-adhering portion of the nail and take local precautions to prevent infection. Cover the damaged skin with an appropriate dressing.
Nails will not reattach themselves to the nail bed after they have separated. However, in most cases, a new nail will slowly regrow. You can relieve pressure by draining any blood trapped under the nail.
