Why Does My Fingernail Have A Dent? Reasons And Remedies

Author Linares 27 Jan 2025

A dent in a fingernail is a common occurrence that can be caused by a variety of factors, including trauma, infection, or underlying medical conditions. While most nail dents are harmless and will eventually grow out, some may be indicative of a more serious problem that requires medical attention.

One of the most common causes of nail dents is trauma. This can occur when the nail is hit or compressed, causing the nail plate to bend or dent. In most cases, the dent will be minor and will grow out as the nail grows. However, if the trauma is severe, it can cause the nail to split or break.

Another potential cause of nail dents is infection. Fungal infections, in particular, can cause the nail to become discolored, thickened, and brittle. This can lead to the formation of dents or pits in the nail plate. Bacterial infections can also cause nail dents, but this is less common.

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In some cases, nail dents can be a sign of an underlying medical condition. For example, dents in the nails can be a symptom of psoriasis, a chronic skin condition that can also affect the nails. Other medical conditions that can cause nail dents include eczema, lichen planus, and alopecia areata.

If you are concerned about a dent in your fingernail, it is important to see a doctor to rule out any underlying medical conditions. In most cases, nail dents are harmless and will eventually grow out. However, if the dent is severe, painful, or accompanied by other symptoms, it is important to seek medical attention.

Why Does My Fingernail Have a Dent?

Dents in fingernails can be caused by a variety of factors, including trauma, infection, or underlying medical conditions. While most nail dents are harmless and will eventually grow out, some may be indicative of a more serious problem that requires medical attention.

Trauma
Infection
Psoriasis
Eczema
Lichen planus
Alopecia areata
Nail biting
Age

Trauma is the most common cause of nail dents. This can occur when the nail is hit or compressed, causing the nail plate to bend or dent. In most cases, the dent will be minor and will grow out as the nail grows. However, if the trauma is severe, it can cause the nail to split or break.

Fungal and bacterial infections can also cause nail dents. Fungal infections, in particular, can cause the nail to become discolored, thickened, and brittle. This can lead to the formation of dents or pits in the nail plate. Bacterial infections can also cause nail dents, but this is less common.

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Nail biting and age can also cause nail dents. Nail biting can damage the nail plate, leading to the formation of dents. As we age, our nails become thinner and more brittle, which can make them more susceptible to dents.

1. Trauma

Direct trauma
This is the most common type of trauma that can cause nail dents. It occurs when the nail is hit or compressed by an external force, such as a hammer or a door. Direct trauma can cause the nail plate to bend or dent, and in severe cases, it can cause the nail to split or break.
Indirect trauma
This type of trauma occurs when the nail is injured by a force that is applied to another part of the body. For example, if you fall and land on your hand, the force of the impact can cause the nail to bend or dent. Indirect trauma is less common than direct trauma, but it can still cause significant damage to the nail.

Nail dents caused by trauma are usually harmless and will grow out as the nail grows. However, if the dent is severe, it can cause pain and discomfort. In some cases, a damaged nail may also be more susceptible to infection. If you have a nail dent that is causing you pain or discomfort, it is important to see a doctor to rule out any underlying medical conditions.

2. Infection

Fungal and bacterial infections can also cause nail dents. Fungal infections, in particular, can cause the nail to become discoloured, thickened, and brittle. This can lead to the formation of dents or pits in the nail plate. Bacterial infections can also cause nail dents, but this is less common.

Fungal nail infections are caused by a type of fungus called dermatophytes. These fungi can live on the skin and nails, and they can cause a variety of infections, including athlete's foot, ringworm, and nail fungus. Nail fungus is a common infection that can affect people of all ages. It is more common in people who have diabetes, a weakened immune system, or who wear tight-fitting shoes.

Bacterial nail infections are less common than fungal infections. They are usually caused by bacteria that enter the nail through a break in the skin. Bacterial nail infections can be painful and can cause the nail to become discoloured, thickened, and brittle. In severe cases, the infection can spread to the bone.

Nail dents caused by infection can be treated with antifungal or antibacterial medication. It is important to see a doctor to get the correct diagnosis and treatment.

3. Psoriasis

Psoriasis is a chronic skin condition that can affect the nails, causing a variety of symptoms, including dents, pitting, and discoloration. Psoriasis is an autoimmune disease, which means that it is caused by the body's immune system attacking its own tissues. In the case of psoriasis, the immune system attacks the skin cells, causing them to grow too quickly and accumulate on the surface of the skin. This can lead to the formation of thick, red, scaly patches on the skin, as well as nail changes.

Nail psoriasis is a common symptom of psoriasis, affecting up to 50% of people with the condition. It can cause a variety of nail changes, including dents, pitting, discoloration, and thickening. Psoriatic nails may also be more brittle and prone to breaking. In severe cases, nail psoriasis can even lead to the loss of nails.

There is no cure for psoriasis, but there are a variety of treatments that can help to manage the symptoms. These treatments include topical medications, such as corticosteroids and retinoids, as well as systemic medications, such as methotrexate and cyclosporine. Phototherapy, which involves exposing the skin to ultraviolet light, can also be helpful in treating psoriasis.

If you have psoriasis and are experiencing nail changes, it is important to see a doctor to get the correct diagnosis and treatment. Early treatment can help to prevent further damage to the nails and improve the overall appearance of the nails.

4. Eczema

Eczema is a chronic skin condition that causes the skin to become dry, itchy, and inflamed. It is a common condition that can affect people of all ages, but it is most common in children. Eczema can affect any part of the body, but it is most commonly found on the hands, face, and feet.

There are many different causes of eczema, including genetics, environmental factors, and certain medical conditions. Eczema is not contagious, but it can be very uncomfortable and embarrassing.

One of the most common symptoms of eczema is dry, itchy skin. This can lead to scratching, which can further irritate the skin and cause it to become inflamed. In some cases, eczema can also cause the skin to become thickened and cracked.

Eczema can also affect the nails. In some cases, it can cause the nails to become discoloured, thickened, and brittle. These changes can make the nails more susceptible to breakage and infection.

There is no cure for eczema, but there are a variety of treatments that can help to manage the symptoms. These treatments include topical medications, such as corticosteroids and retinoids, as well as systemic medications, such as methotrexate and cyclosporine. Phototherapy, which involves exposing the skin to ultraviolet light, can also be helpful in treating eczema.

If you have eczema and are experiencing nail changes, it is important to see a doctor to get the correct diagnosis and treatment. Early treatment can help to prevent further damage to the nails and improve the overall appearance of the nails.

5. Lichen planus

Lichen planus is a chronic inflammatory skin condition that can affect the skin, nails, and mucous membranes. It is a relatively common condition, affecting approximately 1% of the population. Lichen planus is thought to be an autoimmune disorder, which means that it is caused by the body's immune system attacking its own tissues.

The exact cause of lichen planus is unknown, but it is thought to be triggered by a combination of genetic and environmental factors. Certain medications, such as gold and quinine, have also been linked to the development of lichen planus.

Lichen planus can affect the nails in a number of ways. In some cases, it can cause the nails to become discolored, thickened, and brittle. It can also lead to the formation of dents or pits in the nail plate. In severe cases, lichen planus can even cause the nails to fall off.

There is no cure for lichen planus, but there are a variety of treatments that can help to manage the symptoms. These treatments include topical medications, such as corticosteroids and retinoids, as well as systemic medications, such as methotrexate and cyclosporine. Phototherapy, which involves exposing the skin to ultraviolet light, can also be helpful in treating lichen planus.

If you have lichen planus and are experiencing nail changes, it is important to see a doctor to get the correct diagnosis and treatment. Early treatment can help to prevent further damage to the nails and improve the overall appearance of the nails.

6. Alopecia areata

Alopecia areata is an autoimmune disorder that causes hair loss. It can affect the scalp, eyebrows, eyelashes, and other areas of the body. In some cases, alopecia areata can also affect the nails.

Nail changes in alopecia areata
Alopecia areata can cause a variety of nail changes, including dents, pitting, and discoloration. These changes are thought to be caused by the same autoimmune process that attacks the hair follicles. In some cases, nail changes can be the first sign of alopecia areata.
Treatment for alopecia areata
There is no cure for alopecia areata, but there are a variety of treatments that can help to manage the symptoms. These treatments include topical medications, such as corticosteroids and minoxidil, as well as systemic medications, such as methotrexate and cyclosporine. Phototherapy, which involves exposing the skin to ultraviolet light, can also be helpful in treating alopecia areata.
Outlook for alopecia areata
The outlook for alopecia areata varies. In some cases, the hair loss is temporary and the hair will grow back on its own. In other cases, the hair loss is permanent. However, even in cases of permanent hair loss, there are a variety of treatments that can help to improve the appearance of the scalp.

If you are experiencing nail changes, it is important to see a doctor to get the correct diagnosis and treatment. Early treatment can help to prevent further damage to the nails and improve the overall appearance of the nails.

7. Nail biting

Nail biting, also known as onychophagia, is a common habit that can have a number of negative consequences for the nails, including dents. When someone bites their nails, they are essentially damaging the nail plate, which can lead to a variety of problems, such as:

Dents: Nail biting can cause dents in the nail plate, which can be unsightly and embarrassing. In some cases, dents can also be painful, especially if they are deep.
Hangnails: Nail biting can also lead to hangnails, which are small, torn pieces of skin that hang from the nail. Hangnails can be painful and can also become infected.
Infections: Nail biting can increase the risk of nail infections, such as paronychia and onychomycosis. Paronychia is an infection of the nail fold, while onychomycosis is a fungal infection of the nail.
Deformed nails: In severe cases, nail biting can lead to deformed nails. Deformed nails can be difficult to treat and may require surgery to correct.

If you are a nail biter, it is important to break the habit as soon as possible. There are a number of different ways to do this, such as using nail polish, wearing gloves, or keeping your hands busy with other activities. If you are unable to break the habit on your own, you may want to seek professional help.

8. Age

As we age, our nails undergo a number of changes. They become thinner, more brittle, and more susceptible to damage. This is due to a number of factors, including decreased production of collagen and elastin, which are proteins that give nails their strength and flexibility.

In addition, the nail matrix, which is the part of the nail that produces new nail cells, slows down as we age. This can lead to nails that are more slowly growing and more prone to dents and other damage.

Age-related changes in the nails can also be exacerbated by other factors, such as exposure to UV radiation, smoking, and certain medications. These factors can further weaken the nails and make them more susceptible to damage.

While age-related changes in the nails are a natural part of the aging process, there are a number of things that can be done to help keep nails healthy and strong. These include:

Protecting nails from UV radiation by wearing gloves when outdoors
Avoiding smoking
Taking biotin supplements
Using a nail strengthener
Keeping nails trimmed and filed

By following these tips, you can help keep your nails healthy and strong, regardless of your age.

FAQs about Nail Dents

Question 1: What causes nail dents?

Nail dents can be caused by a variety of factors, including trauma, infection, and underlying medical conditions. Trauma is the most common cause of nail dents, and it can occur when the nail is hit or compressed. Infections, such as fungal and bacterial infections, can also cause nail dents. In some cases, nail dents can be a sign of an underlying medical condition, such as psoriasis, eczema, or lichen planus.

Question 2: Are nail dents harmful?

Most nail dents are harmless and will eventually grow out as the nail grows. However, if the dent is severe, it can cause pain and discomfort. In some cases, a damaged nail may also be more susceptible to infection. If you have a nail dent that is causing you pain or discomfort, it is important to see a doctor to rule out any underlying medical conditions.

Question 3: How can I prevent nail dents?

There are a few things you can do to prevent nail dents, including:

Avoid to your nails.Keep your nails clean and dry.Treat any nail infections promptly.If you have a medical condition that can cause nail dents, such as psoriasis or eczema, work with your doctor to manage the condition.

Question 4: When should I see a doctor about a nail dent?

You should see a doctor about a nail dent if it is:

SeverePainfulCausing discomfortAccompanied by other symptoms, such as redness, swelling, or discharge.

Question 5: How are nail dents treated?

The treatment for nail dents will depend on the underlying cause. If the dent is caused by trauma, it will usually grow out as the nail grows. If the dent is caused by an infection, the infection will need to be treated. In some cases, a doctor may recommend surgery to remove a damaged nail.

Question 6: What is the prognosis for nail dents?

The prognosis for nail dents is generally good. Most nail dents will grow out as the nail grows. However, if the dent is caused by an underlying medical condition, the prognosis will depend on the severity of the condition.

Tips to Prevent and Treat Nail Dents

Nail dents can be a frustrating problem, but there are a few things you can do to prevent and treat them.

Tip 1: Avoid nail trauma
One of the most common causes of nail dents is trauma, such as hitting or compressing the nail. To prevent nail trauma, wear gloves when doing manual labor or working with sharp objects. You should also avoid biting your nails, as this can weaken the nail and make it more susceptible to damage.Tip 2: Keep your nails clean and dry
Bacteria and fungi can thrive in moist environments, so it is important to keep your nails clean and dry. Wash your hands frequently and dry them thoroughly. You should also avoid wearing gloves for long periods of time, as this can create a moist environment that is ideal for bacteria and fungi to grow.Tip 3: Treat nail infections promptly
If you do develop a nail infection, it is important to treat it promptly to prevent it from spreading and causing further damage to the nail. Fungal nail infections can be treated with topical or oral antifungal medications. Bacterial nail infections can be treated with topical or oral antibiotics.Tip 4: Use a nail strengthener
Nail strengtheners can help to protect the nails from damage and make them less susceptible to dents. There are a variety of nail strengtheners available over-the-counter, so you can choose one that is right for your needs.Tip 5: Keep your nails trimmed and filed
Long nails are more likely to be damaged than short nails. Keep your nails trimmed and filed to a short length to reduce the risk of dents. You should also file your nails in one direction to avoid splitting and weakening the nail.Tip 6: See a doctor if you have a severe nail dent
If you have a severe nail dent that is causing you pain or discomfort, it is important to see a doctor. The doctor can determine the cause of the dent and recommend the best course of treatment.By following these tips, you can help to prevent and treat nail dents and keep your nails healthy and strong.

Summary of key takeaways or benefits:

Preventing nail trauma can help to reduce the risk of nail dents.
Keeping your nails clean and dry can help to prevent nail infections.
Treating nail infections promptly can help to prevent further damage to the nail.
Using a nail strengthener can help to protect the nails from damage.
Keeping your nails trimmed and filed can reduce the risk of dents.
Seeing a doctor if you have a severe nail dent can help to ensure that the dent is properly treated.

Transition to the article's conclusion:

Nail dents are a common problem, but they can be prevented and treated with proper care. By following the tips in this article, you can help to keep your nails healthy and strong.

Conclusion

Nail dents are a common problem that can have a variety of causes, including trauma, infection, and underlying medical conditions. While most nail dents are harmless and will eventually grow out, some may be indicative of a more serious problem that requires medical attention.

If you are concerned about a dent in your fingernail, it is important to see a doctor to rule out any underlying medical conditions. The doctor can also recommend the best course of treatment for the dent.

By understanding the causes and treatment options for nail dents, you can help to keep your nails healthy and strong.

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