Nail pitting is when you have tiny dents in your fingernails or toenails. It can be a sign of another condition, such as psoriasis, eczema or joint inflammation. It can also be caused by genetics. Pitting can appear as one pit or many pits on the surface of the nail.
| Characteristics | Values |
|---|---|
| Number of pits | One or many |
| Appearance | Depressions, dimples or dents |
| Related conditions | Psoriasis, eczema, joint inflammation, onycholysis, subungual hyperkeratosis, fungal nail infection, psoriatic arthritis |
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What You'll Learn

Pitting can be a sign of psoriasis
Nail pitting is when you have tiny dents in your fingernails or toenails. There can be one single pit or many pits. A nail with multiple pits can look like the surface of a thimble. The nail is part of the skin and grows from the nail root, which is found just under the cuticle. This is why nail pitting is often related to a skin condition.
Pitting can also be a sign of eczema or joint inflammation. It can also be caused by fungal nail infection, which can make the nail thicker.
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Pitting can be a sign of eczema
Nail pitting is often related to a skin condition because the nail is part of the skin and grows from the nail root, which is found just under the cuticle. Pitting can also be a sign of joint inflammation or psoriatic arthritis. It can be treated with oral and topical medications and lifestyle changes.
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Pitting can be a sign of joint inflammation
Pitting can also be a sign of psoriatic arthritis, which affects around 4 in 5 people with the condition. Psoriatic arthritis is a type of inflammatory arthritis that can cause joint pain, stiffness, and swelling. It can also lead to nail changes, such as pitting, discolouration, and abnormal growth.
Nail pitting is often related to a skin condition because the nail is part of the skin and grows from the nail root, which is found just under the cuticle. If you notice nail pitting, it is important to see a doctor or dermatologist to determine the underlying cause and receive appropriate treatment.
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Pitting can be a sign of a fungal nail infection
Pitting can also be a sign of subungual hyperkeratosis, when a chalk-like material builds up under the nail, often making the nail raised and tender. It can also be a sign of colour changes, when nails become yellow or brown.
Nail pitting is often related to a skin condition. It is common in people with psoriatic arthritis. It can be treated with oral and topical medications and lifestyle changes.
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Pitting can be a sign of a family history of pitting
Pitting can also be a sign of eczema, which is another skin condition. Eczema causes the skin to become itchy, red, and dry. It can also lead to blisters or oozing and crusting of the skin.
Joint inflammation, or psoriatic arthritis, can also cause pitting. This condition is characterised by pain, swelling, and stiffness in the joints. It often affects the fingers and toes, and can also cause nail changes such as pitting.
If you notice pitting on your nails, it is important to see a doctor to determine the underlying cause and receive appropriate treatment.
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Frequently asked questions
It could be a sign of psoriasis, eczema, or joint inflammation. It can also be caused by fungal nail infection, which can make the nail thicker.
There can be one single pit or many pits. A nail with multiple pits can look like the surface of a thimble.
It is often related to a skin condition, such as psoriasis, eczema, or joint inflammation. It can also be caused by a fungal nail infection.











































