Isla Bennett
White spots on your fingernails are a common occurrence and are usually not a cause for concern. However, they can sometimes indicate an underlying condition. These spots are known as leukonychia, derived from the Greek words leuko (white) and onyx (nail). They are typically caused by minor trauma to the nail matrix, the base of the nail where nail growth begins. This can occur through various means, such as manicures, excessive nail-tapping, or even accidental injury. In rare cases, white spots may indicate more serious conditions, including liver disease, kidney disease, or low iron levels. If you are concerned about the appearance of white spots on your nails, it is recommended to consult a doctor or dermatologist for a proper diagnosis and treatment plan.
| Characteristics | Values |
|---|---|
| Medical term | Leukonychia or leuconychia |
| Cause | Injury to the base of the nail (nail matrix) |
| Appearance | Whitening of parts of the nail plate in the form of small white dots |
| Variations | Punctate, transverse and longitudinal leukonychia |
| Other causes | Allergies, fungal infection, mineral deficiency, heavy metal poisoning, medication side effects |
| Treatment | White spots from injuries will grow out and can be removed with nail clippers or nail scissors |
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What You'll Learn
White spots on nails are rarely a serious problem
White spots on nails, also known as leukonychia, are usually harmless and rarely indicate a serious medical issue. They are common and often appear after accidentally injuring your nails by closing your finger in a door, striking your fingertip with a hammer, or biting your nails. These injuries can occur in the nail matrix, the base of your fingernail that produces the nail plate, resulting in white spots as the nail grows out. However, due to the slow growth of nails, you may not associate the injury with the appearance of white spots.
Leukonychia can manifest in several forms, including true leukonychia, apparent leukonychia, and pseudoleukonychia. True leukonychia occurs when white spots form in the nail matrix, the area where the nail starts to grow, and appear on the hard part of the nail plate. Apparent leukonychia involves white spots forming on the nail bed, the skin beneath the nail, rather than the nail itself. Pseudoleukonychia, on the other hand, presents as white spots on the surface of the nail, often caused by fungi.
In addition to trauma and injuries, other factors can contribute to the formation of white spots on nails. These include fungal infections, allergies or allergic reactions to nail products, mineral or vitamin deficiencies, and exposure to heavy metals or toxins. While rare, white spots on nails can occasionally indicate more serious underlying conditions, such as liver or kidney disease, heart failure, or protein malabsorption.
If you are concerned about the appearance of white spots on your nails and suspect they are not caused by injury, it is advisable to consult a doctor or dermatologist. They can provide a diagnosis, determine if any underlying conditions are present, and recommend an appropriate treatment plan.
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Leukonychia, an injury to the nail matrix
Leukonychia, also known as leuconychia, is a medical term for white discoloration appearing on nails. It is derived from the Greek words "leuko" (white) and "onyx" (nail). This condition consists of a whitening of the entire nail and mostly occurs on all nails. It is commonly caused by injury to the base of the nail (the matrix) where the nail is formed.
There are several variations of leukonychia, including true leukonychia, apparent leukonychia, and leukonychia totalis. True leukonychia is the most common form, where small white spots appear on the nails due to trauma or injury to the nail matrix. This type of leukonychia is often seen in young children and nail biters, as well as those who pick their nails. The white spots caused by true leukonychia usually disappear after about eight months, which is the time it takes for nails to regrow completely.
Apparent leukonychia, on the other hand, is caused by changes in the nail bed that are visible through the nail plate. It is commonly caused by minor injuries such as nail biting or may occur during the nail growth process. This type of leukonychia is harmless and is not associated with any known nutritional or physiological deficiency.
Leukonychia totalis is a less common form of leukonychia, characterized by the complete whitening of the entire nail plate. It is usually inherited in an autosomal dominant manner but can also be acquired during a person's lifetime. Leukonychia totalis may be a clinical sign of hypoalbuminemia (low albumin) or a side effect of certain medications.
While leukonychia is often caused by trauma or injury to the nail matrix, it can also be indicative of underlying health issues. These include dietary deficiencies, anemia, heart or kidney disease, liver problems, or even poisoning. Therefore, it is important to consult a doctor or dermatologist if you are concerned about the appearance of your nails or if the white spots are accompanied by other symptoms.
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Common causes of white spots on nails
White spots on your nails are a common occurrence and usually indicate minor trauma or injury to the nail plate or nail matrix. This could be from a rough manicure, excessive nail-tapping, or accidentally hitting your nails against a hard surface. In some cases, white spots may be caused by wearing nail polish for prolonged periods, a fungal infection, or an allergic reaction to nail products. While rare, white spots on nails can also indicate more serious medical conditions such as low iron levels, kidney disease, or liver scarring. If you are concerned about the appearance of white spots on your nails, it is recommended to consult a doctor or dermatologist for a proper diagnosis and treatment plan.
Leukonychia
The medical term for white discoloration appearing on nails is leukonychia, derived from the Greek words "leuko" (white) and "onyx" (nail). There are three types of leukonychia: true leukonychia, apparent leukonychia, and pseudoleukonychia. True leukonychia occurs when 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 can be further divided into total leukonychia, which is a complete whitening of the nail plate, and partial leukonychia, where only a portion of the nail plate is whitened. Apparent leukonychia is when white spots form in the skin beneath the nail (nail bed). Pseudoleukonychia is caused by outside organisms, such as fungi, that form a white film on the surface of the nail.
Causes of White Spots on Nails
As previously mentioned, the most common cause of white spots on nails is minor trauma or injury to the nail. This includes activities such as manicures, nail-tapping, or accidental bumps against hard surfaces. However, there are other potential causes to be aware of:
- Prolonged nail polish use: Leaving nail polish on for weeks or longer can cause dry, white areas on the nails as it prevents normal cell shedding.
- Fungal infections: A fungal infection can deposit a white film on the nail, which may cover a few areas or even the entire nail.
- Allergic reactions: Certain nail products, such as nail polish, nail gloss, or fake nails, can sometimes be interpreted as allergens by the immune system, leading to white spots.
- Dietary deficiencies: Mineral deficiencies can cause white spots on nails, so maintaining a balanced diet and adequate vitamin levels is important for nail health.
- Serious medical conditions: In rare cases, white spots on nails can indicate more severe issues such as low iron levels, kidney disease, liver problems, or even poisoning.
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White nails as a sign of liver problems
White spots on your fingernails are common and usually do not indicate a serious problem. They are often the result of a nail injury called leukonychia, which is an injury to the base of the nail where it is formed. This can be caused by accidentally closing your finger in a door or striking your fingertip with a hammer. Other potential causes include allergies, fungal infection, mineral deficiency, or heavy metal poisoning.
However, in some cases, white nails can be a sign of liver problems. For example, if the nails are mostly white with darker rims, it may indicate liver issues such as hepatitis or cirrhosis. This type of nail discolouration is known as Terry's nails and is especially common in people with severe liver disease. Terry's nails occur when there are fewer blood vessels and more connective tissue than normal in the nail bed, causing the nails to appear white with a thin brown or reddish-brown strip near the tip. While this condition is not harmful in itself, it can be a sign of a more serious underlying issue and should be evaluated by a doctor.
In addition to liver problems, white nails can also be indicative of other health issues. For instance, leukonychia may be a clinical sign of hypoalbuminaemia (low albumin), which can be associated with kidney failure, protein malabsorption, or protein-losing enteropathies. Furthermore, white nails can be a symptom of anaemia, dietary deficiencies, heart disease, kidney disease, or poisoning. Therefore, if you are concerned about the appearance of your nails, it is recommended to consult a doctor or dermatologist for evaluation and appropriate treatment.
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Treating white spots on nails
White spots on nails, medically known as leukonychia, are usually not a cause for concern. They often result from a mild injury to the nail, such as biting your nails, jamming your fingertips, or even getting your finger shut in a door. In such cases, the spots will grow out with the nail and do not require treatment.
However, white spots on nails can sometimes indicate an underlying health condition, such as liver disease, anemia, or diabetes. In these cases, treating the underlying cause will help resolve the condition. If you are concerned about white spots on your nails, it is recommended to consult a doctor or healthcare provider. They may perform a physical evaluation, assess your medical history, and conduct tests for any underlying conditions.
If the white spots on your nails are caused by an allergic reaction to nail products, you should stop using the product you suspect is responsible. If symptoms persist, consult a doctor. Doctors may recommend oral antifungal medication or topical antifungal treatments for nail fungus.
To prevent white spots from appearing on your nails, it is important to maintain a balanced diet and adequate vitamin levels to avoid mineral deficiencies, which can cause these spots. Additionally, avoiding harsh chemicals on your nails, such as nail polish remover, can help prevent damage and the formation of white spots.
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Frequently asked questions
The medical term for white spots or discolouration on the nails is leukonychia.
Leukonychia is most commonly caused by injury to the nail matrix or nail plate, which is the base of the nail where nail growth begins. This injury could be anything from a manicure mistake to excessive nail-biting.
Yes, leukonychia can also be caused by heavy metal poisoning, a fungal infection, low albumin, or a genetic condition.
If your leukonychia is caused by an injury, it will usually grow out over time. Otherwise, you should consult a doctor to determine the cause and receive appropriate treatment.
