Ava Monroe
Anorexia nervosa is an eating disorder that is characterised by weight loss and nutrient deficiency. Those with anorexia often experience physical changes in their hair, skin, and nails. Nail conditions are common in individuals with anorexia nervosa, primarily due to malnutrition and the body's response to starvation. Anorexia can cause a variety of nail conditions, including Beau's lines, brittle nails, koilonychia (spoon nails), leukonychia, Terry's nails, and nail clubbing. These conditions are typically caused by nutritional deficiencies, such as a lack of dietary zinc, iron, or B vitamins. Treating these conditions involves addressing the underlying nutritional deficiencies and managing the anorexia. While anorexia can cause nail conditions, it is not the only factor that can contribute to nail health. Genetic, biological, and environmental factors can also play a role in nail growth and health.
| Characteristics | Values |
|---|---|
| Nail Conditions | Beau's lines, brittle nails, koilonychia, leukonychia, Terry's nails, nail clubbing |
| Causes of Nail Conditions | Nutritional deficiencies, dietary zinc deficiency, iron deficiency, vitamin B12 deficiency, vitamin B1 deficiency, mineral deficiency, electrolyte imbalances |
| Treatment | Addressing nutritional deficiencies, managing anorexia, nutritional rehabilitation, supplementation of specific nutrients, treating underlying medical conditions |
| Risk Factors | Eating disorders, anorexia nervosa, bulimia nervosa, restrictive eating, compulsive exercise, laxative use, purging |
| Impact on Nails | Nail growth interruptions, nail fragility, splitting, breaking, vertical ridges, white discoloration, spots, streaks, nail shape changes |
| Additional Symptoms | Cold hands, tingling fingers, discolored fingertips, blue tint on fingertips, nail-biting, dry skin |
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What You'll Learn
Nutritional deficiencies
Anorexia nervosa is an eating disorder characterised by weight loss and nutrient deficiency. People with anorexia try to maintain a low weight by restricting their calorie intake, exercising excessively, using laxatives, and/or purging. This can lead to nutritional deficiencies, which can affect nail health.
One common nail condition associated with anorexia is Beau's lines, which are horizontal depressions or grooves in the nail plate. These lines are caused by a temporary interruption of nail growth due to severe illness, malnutrition, or stress. As the nail resumes growth, Beau's lines typically grow out and disappear.
Brittle nails, or onychorrhexis, is another condition that can occur due to malnutrition, especially deficiencies in iron, biotin, and zinc. Nails become fragile and tend to split or break, appearing dry and brittle with vertical ridges. Nutritional rehabilitation and supplementation of specific nutrients can help address this condition.
Koilonychia, or spoon nails, is characterised by thin, concave nails that resemble spoons. This condition is often associated with iron deficiency anaemia, which can be a complication of anorexia. Treating the underlying iron deficiency through supplementation and dietary changes can help resolve koilonychia.
Leukonychia is a nail condition characterised by white discolouration with spots or streaks on the nails. In anorexia, leukonychia can be caused by a zinc or selenium deficiency. While these spots are usually harmless and grow out over time, zinc supplementation may be beneficial.
Addressing nutritional deficiencies is crucial for managing anorexia and improving nail health. Nutritional rehabilitation, supplementation, and dietary changes can help treat the underlying causes of these nail conditions.
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Beau's lines
There are several causes of Beau's lines, including trauma, coronary occlusion, hypocalcaemia, and skin disease. They may also be a sign of systemic disease or an underlying illness, such as high fever, strep infections, or peripheral artery disease. Chronic conditions that interfere with blood flow to the nail matrix, such as uncontrolled diabetes, can also cause Beau's lines.
In the context of anorexia, Beau's lines can be caused by malnutrition and the body's response to starvation. Treating the underlying nutritional deficiencies and managing the anorexia can help address Beau's lines. As the individual recovers and nail growth resumes, Beau's lines typically grow out and disappear.
While there is no specific treatment for Beau's lines themselves, addressing the underlying cause can prevent them from recurring. Working with a healthcare provider to determine the cause is important, as the thickness and number of Beau's lines can provide clues about the underlying condition.
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Brittle nails
Anorexia nervosa is an eating disorder characterised by restrictive eating habits and an obsession with maintaining a low weight. This can lead to malnutrition and starvation, which can have detrimental effects on the body, including nail health.
- Moisture issues: Too much or too little moisture can cause nails to become brittle. Exposure to liquids such as cleaning solutions or dishwater can lead to excess moisture, while cold, dry air can cause nails to become too dry.
- External factors: Substances like nail polish remover and cuticle remover can contribute to brittle nails. Additionally, the act of polishing nails too often can also be a factor.
- Nutritional deficiencies: A lack of certain vitamins and minerals, such as biotin, B vitamins, calcium, iron, or fatty acids, can lead to brittle nails.
- Health conditions: Certain health issues, such as hypothyroidism, anemia, and Raynaud's syndrome, can cause or contribute to brittle nails. Hypothyroidism, or an underactive thyroid, can affect the body's absorption of minerals, leading to potential nail issues. Anemia, a condition caused by insufficient hemoglobin, can result in brittle nails due to associated iron deficiency. Raynaud's syndrome, which causes circulation problems in the hands and feet, can also be a factor.
In the context of anorexia, brittle nails can be a result of malnutrition and nutritional deficiencies, particularly a lack of vitamins and minerals like iron, biotin, and zinc. Treating brittle nails in individuals with anorexia involves addressing these underlying nutritional deficiencies and managing the anorexia. This may include nutritional rehabilitation, supplementation of specific nutrients, and treating any associated health conditions, such as anemia.
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Koilonychia (spoon nails)
Koilonychia, commonly known as spoon nails, is a nail disease characterised by thin, brittle, concave nail dystrophy. The nail abnormality is placed either horizontally or vertically, with the finger or toenail plate appearing centrally depressed and everted laterally. The nail becomes thin and the outer edges turn up. The nail may crack, and the outer part may come out of the nail bed.
Spoon nails are commonly associated with hypochromic anaemia, especially iron-deficiency anaemia, which can be a complication of anorexia. In the early stages, nails may be brittle and chip or break easily. Other causes of spoon nails include malnutrition, worms, celiac disease, gastrointestinal blood loss, malignancy, and haemochromatosis.
If no systemic diseases are involved, spoon nails may be the result of nail damage, heredity, or environmental factors. Spoon nails are observed in infants and children, and they eventually grow out of it. They usually develop on fingernails, but they can also occur in toenails.
The treatment for spoon nails caused by iron-deficiency anaemia involves iron supplementation and dietary changes. The nails typically return to normal within 4-6 months of increasing iron intake. Toenails may take up to a year and a half to regrow, while fingernails take about half a year.
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Leukonychia
Familial leukonychia is commonly inherited recessively, although dominant patterns are possible. This is due to a mutation in the phospholipase C delta-1 gene, where all nails appear milky and porcelain white. Acquired leukonychia is secondary to systemic disease, and it may also be a sign of congenital conditions. Leukonychia totalis may be a clinical sign of hypoalbuminaemia (low albumin), which can be seen in nephrotic syndrome (a form of) kidney failure, liver failure, protein malabsorption, and protein-losing enteropathies. It can also be caused by a genetic condition or a side effect of taking sulphonamides (a family of antibiotics).
There are three different variations of partial leukonychia: punctate, transverse, and longitudinal leukonychia. Some of the more serious variations of leukonychia partialis may lead to leukonychia totalis. Leukonychia striata, or transverse leukonychia, are white discolourations of the nail in bands or "stria" that run parallel to the lunula (nail base). This is commonly caused by physical injury or disruption of the nail matrix, including excessive biting or tapping of the nails, trauma or injury from accidents, and extensive use of manicure.
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Frequently asked questions
Anorexia nervosa is an eating disorder characterised by weight loss and nutrient deficiency. Those with anorexia have a distorted body image and an obsession with thinness, which results in a refusal to maintain an appropriate body weight.
Anorexia can cause malnutrition, which affects nail health. This can lead to nail conditions such as Beau's lines, brittle nails, koilonychia, leukonychia, Terry's nails, and nail clubbing. These conditions are caused by deficiencies in vitamins and minerals, such as iron, zinc, selenium, and B vitamins.
Treating the underlying nutritional deficiencies is key to improving nail health in individuals with anorexia. This may involve nutritional rehabilitation, supplementation of specific nutrients, and addressing any underlying medical conditions. In the case of koilonychia, for example, treating the iron deficiency can help nails grow properly again.
