Bent And Split: Understanding Abnormal Nail Growth

why does my finger nail grow bent and split

There are many reasons why fingernails can grow bent and split. Nails can split vertically or horizontally, and the cause of the splitting can often be determined by the direction of the split. For example, horizontal splitting is usually a sign of damage to the proteins that connect the nail layers, whereas vertical splitting can indicate damage to the nail matrix, or the part of the finger that creates the nail. Nail injuries are common and can be caused by catching your fingers in a door or cutting your fingernail with a sharp object. However, it is important to note that even a minor injury can cause nail splitting. Other causes of nail splitting include nutrient deficiencies, frequent exposure to moisture, nail cosmetics, underlying medical conditions, and certain lifestyle habits such as nail-biting or picking. While most split nails will heal over time, it is recommended to consult a doctor if the splitting is frequent or causing discomfort, as it could indicate an underlying condition or infection.

Characteristics Values
Causes Physical stress, nutrient deficiency, wear and tear, aging, pregnancy, nail polish, injuries, skin conditions, vitamin deficiency, nail fungus, bacterial or yeast infections, psoriasis, iron deficiency, anxiety, nail-biting, nail-picking, frequent wetting and drying of the nails, occupational exposure to chemicals, medication
Symptoms Vertical or horizontal cracks, soft, thin, brittle, discoloured, thickened, ridges, bleeding, pain
Treatment Home remedies like glue, tea bag, gel and silk wrap, fake nails, nail polish, petroleum jelly, bandage, nail-hardening solutions, clear nail polish, nail glue, moisturizers, medical treatment for underlying conditions or infections
Prevention Good hygiene routine, keeping nails well-hydrated, wearing gloves, trimming nails short

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Nail injuries and physical trauma

Nail injuries are common and can occur due to various reasons, such as catching your fingers in doors, pinching them under heavy objects, or cutting them with sharp objects. These injuries can range from simple to complex lacerations and may involve the nail, nail bed, cuticle, or the skin around the nail.

When a nail is injured, it can result in several issues, including:

  • Subungual hematoma: This occurs when there is blood trapped under the nail, causing pain and pressure. Treatment involves draining the blood by creating a small hole in the nail using a hot needle or a sterile blade.
  • Nail avulsion: In more severe cases, the nail may completely lift off the nail bed. While the nail will not reattach, it can be initially held in place with a bandage for comfort.
  • Bone fracture: If there is bleeding under the nail that occupies more than half of the nail area, it could indicate an underlying bone fracture. A physician should evaluate such cases to provide appropriate treatment.
  • Nail matrix injury: Trauma to the nail matrix, the tissue inside the cuticle where new nail growth originates, can result in ridges or splits in the nail as it regrows.

Proper management of nail injuries is crucial to ensure optimal healing and prevent late deformities. For more serious injuries, it is essential to seek medical attention at an urgent care center or emergency room. Treatment may involve stopping any bleeding, cleaning the wound, and numbing the affected area. In some cases, the nail may need to be removed, and the nail bed may require repair with stitches or glue. Antibiotics may also be prescribed to prevent infection.

To prevent nail injuries and physical trauma, it is recommended to:

  • Wear properly sized shoes to avoid toenail trauma.
  • Keep fingernails trimmed to reduce the risk of catching or tearing them.
  • Avoid nail biting and cuticle biting habits, as they can cause trauma and increase the risk of infection.
  • Protect your nails by wearing gloves when exposed to water, chemicals, or during chores to minimize nail damage and splitting.

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Vitamin and nutrient deficiencies

Nutritional deficiencies can cause nail abnormalities, and fingernails can reveal a lot about a person's overall health. Nail health is closely associated with the body's overall functioning and can be an indicator of poor nutritional intake or poor digestion. While nail issues often occur due to injury or overexposure to moisture, vitamin and mineral deficiencies commonly affect the fingernails.

For example, a zinc deficiency can cause depressions or horizontal lines across the fingernails. A vitamin B12 deficiency can affect nail pigmentation, causing them to become bluish or grey-brown. Spoon nails, where the nails have a scooped-out appearance, are often associated with iron deficiency anaemia. This condition can also be caused by a lack of vitamin C or a liver problem called hemochromatosis, which results in the body absorbing too much iron from food.

Additionally, vitamin B deficiencies, especially B vitamins that promote cell growth, can cause vertical nail ridges. A balanced diet rich in essential vitamins and nutrients is crucial to eliminating vertical ridging. Hapalonychia, or eggshell nails, is caused by malnutrition, specifically a deficiency of vitamins A, B6, C, and D.

To maintain nail health, it is important to consume a well-rounded diet that includes a variety of whole foods, such as fruits, vegetables, and whole grains. These foods provide the vitamins, minerals, and nutrients necessary for nail health. If dietary changes do not improve nail health, individuals can consult a doctor or dietitian for advice on supplements.

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Underlying medical conditions

Fingernails that grow bent and split may be a sign of underlying medical conditions that affect the nails directly or indicate more systemic issues. While some conditions primarily affect the nails, others may impact the nails secondarily or as a side effect of treatment.

Nail abnormalities can be indicative of nutritional deficiencies

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Exposure to water, chemicals, and nail cosmetics

Nails are made of layers of keratin, a protein that is also found in hair. Healthy nails appear smooth and have consistent colouring. Nails that are cracked, split, or brittle can sometimes be a sign of a health problem.

One of the most common reasons for nail abnormalities is exposure to water. Frequent wetting and drying of the hands can cause nails to become weak and brittle. Long-term exposure to water can cause the skin around the nails to soften, making the nails more prone to breaking, bending, or splitting. This is a common issue for people in occupations that require frequent hand washing, such as cleaners, bartenders, canteen staff, and fishmongers.

To prevent nail issues caused by water exposure, it is recommended to wear gloves when performing tasks that involve submerging the hands in water, such as washing dishes. Cotton-lined rubber gloves are ideal for this purpose. Keeping the hands dry and warm can also help, as well as regularly applying moisturising cream to the fingers and nails.

In addition to water, exposure to certain chemicals and nail cosmetics can also contribute to nail abnormalities. Nail polish, nail gloss, nail hardeners, nail polish removers, and fake nails contain strong chemicals that can irritate the nails and the skin surrounding them. Frequent use of these products can lead to nail splitting and brittleness. Occupations that involve working with chemicals, such as detergents, can also increase the risk of nail problems.

To minimise the impact of chemicals and nail cosmetics, it is advisable to limit the use of harsh nail products and opt for more gentle and natural alternatives. When working with chemicals, wearing gloves can provide a protective barrier for the nails and hands. Additionally, regular hand washing and moisturising can help counteract the drying effects of chemical exposure.

It is worth noting that nail abnormalities can sometimes be an indication of underlying health issues. If you are concerned about any changes to your nails, it is recommended to consult a doctor or dermatologist for further evaluation.

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Nail-biting, picking, and other habits

Nail-biting, or onychophagia, is a common habit, often beginning in childhood. It is usually a coping mechanism in response to nervousness, boredom, loneliness, or hunger. It can also be associated with emotional or psychological problems, and in some cases, it may be a symptom of obsessive-compulsive disorder (OCD). Nail-biting can lead to dental issues such as misalignment and chipped teeth, and it can also cause nail splitting and breakage.

Similarly, nail-picking is another common habit that can lead to unhealthy, brittle nails. Pulling or removing the nail cuticle can contribute to nail splitting. Repeatedly picking or biting one's nails can cause physical stress and weaken the nail, making it more prone to splitting and breaking.

To prevent nail-biting and picking, individuals can try habit-replacement techniques. This involves identifying triggers and replacing the unwanted behaviour with alternative actions such as squeezing a stress ball, playing with a fidget toy, or chewing gum. Keeping nails trimmed and well-maintained can also help reduce the temptation to bite or pick.

In more severe cases of nail-biting and picking, cognitive behavioural therapy (CBT) and acceptance and commitment therapy (ACT) can be effective in addressing the underlying psychological factors. These therapies can be combined with habit-reversal training to help break the cycle of these habits.

Overall, while nail-biting and picking may seem like harmless habits, they can lead to nail damage and splitting. By understanding the underlying causes and employing appropriate strategies, individuals can work towards healthier nails and break free from these detrimental habits.

The Ideal Length for Healthy Fingernails

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Frequently asked questions

There are many reasons why your fingernails might split, including:

- Physical injury or trauma

- Age

- Exposure to water

- Vitamin deficiency

- Harsh chemicals

- Nail cosmetics

- Underlying medical conditions

You can treat a split nail at home by cutting away the torn part and filing the rough edges to prevent further damage. You can also use nail glue or a DIY method with a tea bag and clear nail polish to mend the nail.

To prevent your nails from splitting, you can take the following precautions:

- Wear gloves when your hands are exposed to water or harsh chemicals

- Keep your nails trimmed and well-hydrated

- Avoid using harsh nail products

- Maintain a healthy diet rich in vitamins and minerals

Nail-hardening agents containing formaldehyde can increase nail strength, but they should be used cautiously as they can also cause brittleness and other nail problems. It is recommended to only apply these hardeners to the free edge (growing end) of the nail.

If your split nail is severe, causes constant pain, appears infected, or does not heal on its own, you should seek medical attention to address any potential underlying issues and prevent permanent nail damage.

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