Sophia Delgado
White nails, also known as leukonychia, can be a complete or partial discolouration of the nail plate on one or more fingernails or toenails. This condition can be caused by several factors, including injury, zinc or calcium deficiency, fungal infections, or even poisoning. In some cases, white nails can indicate more serious underlying health issues such as liver or kidney disease, heart disease, or diabetes. While white spots on nails are generally harmless, it is important to be aware of any accompanying symptoms and consult a healthcare professional if you have any concerns.
Characteristics and Values Table for White Fingernails
| Characteristics | Values |
|---|---|
| Medical Term | Leukonychia |
| Description | Partial or complete discolouration of the nail plate on one or more fingernails or toenails |
| Causes | Trauma, anemia, dietary deficiencies (zinc and calcium), weak nails, kidney disease, heart disease, diabetes, rheumatoid arthritis, liver disease, poisoning, fungal infections, allergic reactions, nail biting, manicures, knocks and bangs, tight footwear, and more |
| Treatment | Depends on the underlying cause; no treatment for trauma-related leukonychia; minor trauma or medication-related leukonychia may resolve in a few months; leukonychia caused by injuries will grow out and can be removed with nail clippers or nail scissors |
| Prevention | Use protective gloves for activities that may damage fingernails, keep nails trimmed, avoid irritating chemicals, moisturize nails, avoid excessive use of nail polish, minimize nail biting, wear appropriate shoes |
| Related Conditions | Melanonychia, paronychia, koilonychia, chronic paronychia, lichen planus, thyroid issues, nail psoriasis, reactive arthritis, onychomycosis, squamous cell carcinoma, nail dystrophy |
| Similar Conditions | Nails with a bluish tint (indicative of oxygen deficiency), yellow nails, dark lines beneath the nail (potential melanoma) |
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What You'll Learn
White nails can be a sign of an underlying health condition
White nails, or leukonychia, can be a sign of an underlying health condition. Leukonychia is a common condition that causes white spots or streaks on your fingernails or toenails. While it often appears after injuring your nails, it can also indicate more serious health issues.
There are three types of leukonychia: true leukonychia, apparent leukonychia, and pseudoleukonychia. True leukonychia occurs when the white spots form in the area where the nail starts to grow (nail matrix) and appear in the hard part of your nail (nail plate). This can be caused by abnormal nail plate keratinisation, resulting in trapped air within the nail plate, leading to a reflection and lack of transparency.
Apparent leukonychia occurs when the white spots form on the skin beneath the nails (nail bed). This type of leukonychia is secondary to a disease of the nail bed and can be caused by conditions such as kidney disease, rheumatoid arthritis, or heart disease.
Pseudoleukonychia is caused by outside organisms, such as fungal infections. In some cases, leukonychia may also be associated with systemic diseases, including hypoalbuminemia, Darier disease, or Hailey-Hailey disease.
In addition to leukonychia, white nails can also indicate other health conditions. For example, white nails with darker rims can be a sign of liver problems such as hepatitis. Nails with a bluish tint can suggest that the body isn't getting enough oxygen, indicating potential lung problems such as emphysema or cardiovascular disease. Curved or "clubbed" nails can be associated with lung disease, inflammatory bowel disease, cardiovascular disease, or liver disease.
If you notice any significant changes in your nail colour, texture, shape, or thickness, it is important to consult a healthcare professional for proper diagnosis and treatment.
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White spots on nails are usually harmless
White spots on nails, also known as leukonychia, are usually harmless. They are often caused by an injury to the nail, such as striking the fingertip or repeated trauma from frequent manicures, and will grow out over time. However, they can also be caused by zinc or calcium deficiency, fungal infections, or allergic reactions. In rare cases, white spots on nails can indicate more serious underlying health conditions, such as liver or kidney disease, anemia, or heart disease. Therefore, if you are concerned about the appearance of your nails, it is recommended to consult a doctor or dermatologist.
Leukonychia refers to the partial or complete discolouration of the nail plate on one or more fingernails or toenails, causing the nail to lose its general pink undertone and appear white. There are three types of leukonychia: true leukonychia, apparent leukonychia, and pseudoleukonychia. True leukonychia occurs when the white spots form in the area where the nail starts to grow (nail matrix) and appear in the hard part of the nail (nail plate). This type of leukonychia is caused by abnormal nail plate keratinisation, resulting in trapped air within the nail plate that reflects light and creates a white appearance. Apparent leukonychia occurs when the white spots form in the skin beneath the nail (nail bed). This type of leukonychia is secondary to a disease of the nail bed, and the white appearance disappears with pressure application on the nail. Pseudoleukonychia occurs when the white spots form on the surface of the nail, caused by outside organisms such as fungi.
In addition to injuries and health conditions, white spots on nails can also be caused by certain habits and lifestyle factors. For example, biting or picking at your nails can lead to the development of white spots. Moisturising your nails regularly and keeping your nails trimmed short can help prevent white spots from developing. Wearing protective gloves during activities that may damage your nails, such as sports or outdoor work, can also help prevent injuries that can cause white spots.
While white spots on nails are usually harmless, they can sometimes be accompanied by more serious symptoms that may indicate an underlying health condition. For example, if you experience white spots on your nails alongside symptoms such as weakness, fatigue, blurred vision, confusion, or shortness of breath, it is important to consult a healthcare professional. Additionally, if you notice changes in the colour, texture, shape, or thickness of your nails that cannot be attributed to an injury or lifestyle factor, it is recommended to see a doctor for further evaluation.
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White nails can be caused by injury or trauma
White nails, or leukonychia, can be caused by several factors, including injury or trauma to the nail plate or nail matrix. This can occur through various everyday activities, such as manicures, nail-biting, or accidental bumps against hard surfaces or tools. Leukonychia can manifest as white spots, streaks, or bands on the fingernails or toenails and is usually harmless, resolving over time as the nail grows out.
Injury to the nail plate or matrix is the most common cause of leukonychia. This injury can occur through various means, from minor accidents to more severe trauma. For example, something as simple as bumping your nails against a hard surface or accidentally hitting them with a tool can cause leukonychia. Additionally, wearing shoes that are too tight or engaging in nail-biting or picking can also lead to this condition. Certain manicure practices, such as excessive force during trimming, buffing, or polishing, can also contribute to nail injuries and leukonychia.
The appearance of leukonychia can vary, ranging from white spots to streaks or bands on the nails. These spots may go away on their own or may require medication. In most cases, the white spots will eventually grow out, and you can then remove them with nail clippers or scissors. However, this process can take a significant amount of time, with fingernails taking up to six to nine months to grow out completely, and toenails taking even longer, up to 12 to 18 months.
While leukonychia is often harmless, it is important to monitor for any accompanying symptoms. In rare cases, white spots on the nails can indicate a more serious underlying condition. If you experience additional symptoms such as weakness, fatigue, blurred vision, confusion, or shortness of breath, it is crucial to consult a healthcare provider for further evaluation and potential diagnostic tests.
To prevent leukonychia caused by injury or trauma, it is recommended to take precautionary measures such as wearing protective gloves during activities that may damage your nails, including sports or work involving tools. Additionally, maintaining short nails, moisturising, and avoiding irritating chemicals can help reduce the likelihood of nail injuries and leukonychia.
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White nails can be caused by a fungal infection
White nails, or leukonychia, can be caused by several factors, including trauma, anemia, dietary deficiencies, heart or
Fungal nail infections, or onychomycosis, are a common condition that usually develops slowly over time. The medical name for a fungal nail infection is onychomycosis. Toenails are more frequently affected than fingernails, and the infection often starts at the edge of the nail. The fungi that cause these infections thrive in warm, dark, and moist environments, such as sweaty feet inside trainers or barefoot walking in communal areas like showers and locker rooms.
As the fungal infection progresses, it can spread to the entire nail, causing it to thicken, turn white or yellow, and become brittle and crumbly. In some cases, the nail may become distorted and difficult to trim. The infection can cause pain and discomfort, particularly when applying pressure to the affected toe or finger.
Fungal nail infections can be challenging to treat and may require antifungal medication in more severe cases. Treatment options include antifungal tablets or a special paint applied directly to the nail. Before starting treatment, a healthcare provider may take a small sample of the infected nail for testing to confirm the presence of a fungal infection. Laser treatment is another option for stubborn infections, but it is not widely available or covered by insurance.
To prevent fungal nail infections, it is recommended to wear well-fitting shoes made of breathable materials and clean cotton socks. Keeping your feet clean and dry, especially if you tend to sweat a lot, can also help reduce the risk of fungal infections.
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White nails can be a sign of zinc or calcium deficiency
White spots on nails, known as leukonychia, are a common occurrence and are usually not a cause for concern. They are often the result of minor trauma or injury to the nail matrix, the tissue under the nail responsible for cell production that forms the nail plate. Everyday activities, such as tapping nails on hard surfaces or typing, can cause such minor trauma. Aggressive manicure practices, like cutting cuticles too closely or harsh filing, can also damage the nail matrix and lead to leukonychia.
While less common, white nails can also indicate zinc or calcium deficiency. Zinc is an essential nutrient that contributes to hair, skin, and nail health. A lack of zinc in the diet or an underlying medical condition can lead to nail dystrophy, characterised by nail discoloration, distortion, brittleness, and lines appearing on the nail. Similarly, severe calcium deficiency can manifest as more significant changes in the nails, such as increased brittleness or alterations in nail shape.
It is important to note that white nails can have various other causes, including allergies, fungal infections, heavy metal poisoning, and inflammatory skin diseases like nail psoriasis and hand eczema. In rare cases, white nails can indicate more serious underlying health conditions, such as kidney disease, rheumatoid arthritis, or liver failure. Therefore, if you have persistent white spots on your nails or other nail abnormalities, it is recommended to consult a doctor for further evaluation and diagnosis.
To address zinc or calcium deficiency, increasing the intake of zinc-rich and calcium-rich foods, respectively, may help. Foods rich in zinc include whole grains, poultry, beans, and beef. However, it is always advisable to consult a healthcare professional or a doctor before starting any dietary changes or supplements to ensure an accurate diagnosis and appropriate treatment plan.
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Frequently asked questions
White nails, or leukonychia, can be indicative of any or a combination of conditions, including anemia, weak nails, kidney disease, heart disease, diabetes, rheumatoid arthritis, liver disease, zinc or calcium deficiency, fungal infections, or allergic reactions.
There are three types of leukonychia: true leukonychia, apparent leukonychia, and pseudoleukonychia. True leukonychia is the discolouration of the nail plate, apparent leukonychia is the discolouration of the skin beneath the nail, and pseudoleukonychia is the discolouration on the surface of the nail.
White spots on fingernails are usually caused by injury or trauma to the nails, such as biting, picking, or bumping them. They can also be caused by zinc or calcium deficiency, fungal infections, or allergic reactions.
White spots on your nails will usually grow out over time and can be helped along by keeping your nails trimmed. If the spots are caused by an injury, they may require medication.
