
Dents in the fingernails, also known as nail pitting, can be shallow or deep and found on various parts of the nail in different directions. They can be a sign of an underlying illness, injury, nutrient deficiency or skin condition. Beau's lines, for example, are horizontal ridges or dents in one or more of your fingernails or toenails. They can also be caused by an autoimmune disease that causes skin cell overgrowth and buildup.
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What You'll Learn

Psoriasis
Dents in the fingernails, also known as nail pitting, can be a sign of psoriasis. Psoriasis is a skin disorder that can cause nail abnormalities, including pitted nails, Beau's lines, and spoon nails. While nail denting is usually not a serious condition, it can be a source of cosmetic distress and, in severe cases, may lead to discomfort and pain that affects daily activities.
Nail psoriasis can affect both fingernails and toenails and may occur alone or in combination with other types of psoriasis. It is estimated that up to half of people with psoriasis may experience nail involvement at some point during their lifetime. The exact cause of nail psoriasis is unknown, but it is believed to be a combination of genetic, environmental, and immune system factors.
While nail psoriasis is not contagious, it can be challenging to manage. Treatment aims to improve the appearance of the nails, reduce symptoms, and prevent further damage. Topical treatments, such as corticosteroid creams and ointments, are often the first line of defence. These medications are applied directly to the nails to help reduce inflammation and improve nail appearance. In more severe cases, oral or injected medications may be prescribed to help manage the condition.
It is important to consult a healthcare provider if you notice any nail abnormalities, as they can be a window to your overall health. They will be able to determine the underlying cause and recommend the best course of treatment. In the meantime, keeping your nails moisturised, wearing protective gloves during certain activities, and avoiding manicures or other nail treatments can help prevent further damage.
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Skin disorders
Dents in fingernails, also known as nail pitting, can be a sign of an underlying health condition. In most cases, this isn't serious and is just a cosmetic issue. However, in severe cases, it can lead to discomfort and pain that affects the way you use your hands.
Nail abnormalities such as pitting, Beau's lines, and spoon nails are usually indicative of an underlying issue. Skin disorders, nutritional deficiencies, and vitamin deficiencies are some of the factors that can affect nail health and result in these types of dents appearing on the nail. Beau's lines, for example, are horizontal ridges or dents in one or more fingernails or toenails, indicating that an illness, injury, or skin condition interrupted your nail growth.
Since nails grow slowly, it can be difficult to determine the cause of nail pitting and control it. The best course of action is to visit your doctor, who can help determine the underlying cause and recommend an appropriate treatment. In the meantime, it is recommended to keep your nails moisturized, wear protective gloves during certain activities, and avoid anything that may damage them further, such as manicures.
Nails can act as a window to our overall health, and these types of nail abnormalities could signal a deeper concern within the body. Therefore, it is important to consult with a healthcare provider to determine the best course of treatment.
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Nutritional deficiencies
Dents in your fingernails can be a sign of nutritional deficiencies. Nail abnormalities such as pitting, Beau's lines, and spoon nails usually indicate an underlying issue. Beau's lines are horizontal ridges or dents in one or more of your fingernails or toenails. They’re a sign that an illness, injury or skin condition interrupted your nail growth.
Nails can act as a window to your overall health and could signal a deeper concern within the body. In most cases, this isn’t serious and is just a source of cosmetic distress. However, severe cases can lead to discomfort and pain that can affect the way you walk and use your hands.
If you have nail denting, it is best to consult your healthcare provider to determine the cause and best course of action for treatment. In the meantime, try to keep your nails as moisturized as possible, wear protective gloves during certain activities, and avoid anything that may damage them further, such as manicures.
Nail denting is frequently a sign of psoriasis. People with pitted fingernails have dents or depressions (pits) that change the texture of the nail.
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Vitamin deficiencies
Dents in the fingernails, also known as nail pitting, can be shallow or deep and found on various parts of the nail in different directions. They can be a sign of a nutrient deficiency, such as a vitamin deficiency.
Vitamin B12 and iron deficiencies are commonly associated with nail issues. A lack of vitamin B12 can lead to brittle nails, while an iron deficiency can cause nails to become thin and concave, also known as spoon nails. Vitamin B7, also known as biotin, is another important nutrient for nail health. A deficiency in biotin can result in brittle nails that are prone to splitting and cracking.
In addition to vitamin deficiencies, other nutrient deficiencies can also impact nail health. For example, a lack of omega-3 fatty acids can lead to dry and brittle nails. Ensuring a balanced diet that includes essential fatty acids, such as those found in fish, nuts, and seeds, can help support nail health.
It is important to consult with a healthcare professional if you notice persistent or concerning changes in your nails. A dermatologist can help diagnose and treat any underlying conditions that may be causing nail issues. Treating the underlying cause is crucial for improving nail health and preventing further complications.
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Underlying health conditions
Dents in your fingernails can be shallow or deep and found on various parts of the nail in different directions. They can be a sign of an underlying health condition, such as a current or past illness, injury, or skin condition that interrupted your nail growth.
Dents in fingernails have different causes, including nail pitting, Beau's lines, and spoon nails. Beau's lines are horizontal ridges or dents in one or more of your fingernails or toenails. They can be triggered by any event that disrupts nail growth, including illnesses and infections such as COVID-19, strep throat, and pneumonia. Injuries that damage your nail matrix, such as accidentally slamming a fingertip in a door, can also cause Beau's lines.
Nail pitting refers to pits in the nails that look like they were made by an ice pick. People who have pits in their nails may have an underlying autoimmune disease or a dermatological condition that affects their entire body.
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Frequently asked questions
Dents in the fingernails can refer to lines, ridges or holes in the nails. They can be shallow or deep and found on various parts of the nail in different directions. They can be caused by an issue with how the layers in the superficial nail plate develop.
Causes of dents in fingernails include nail pitting, Beau's lines and spoon nails. Beau's lines are horizontal ridges or dents in one or more of your fingernails or toenails. They are caused by an illness, injury or skin condition that interrupts your nail growth.
Ridges in your fingernails or toenails can be a sign of a current or past illness. Dents that look like they were made by an icepick could be a sign that you have a disease that affects your entire body.
If you have dents in your fingernails, you should see a board-certified dermatologist for a diagnosis.










































