
Yellow nails can be caused by a number of factors, from nail polish and harsh products to something more serious like chronic lung conditions, internal malignancies, or rheumatoid arthritis. Yellow nails can also be a sign of a nail fungus or a rare disease called yellow nail syndrome, which affects the fingernails and toenails and can cause pulmonary and lymphatic system problems. If you're unsure what's causing your yellow nails, it's best to consult a healthcare professional.
| Characteristics | Values |
|---|---|
| Cause | Stained by a product like nail polish, an allergic reaction, nail fungus, trauma, psoriasis, side effect of medication, or a symptom of a more serious condition |
| Serious conditions | Chronic lung conditions, internal malignancies, lymphatic obstructions, rheumatoid arthritis, or yellow nail syndrome |
| Yellow nail syndrome | A rare disease that affects fingernails and toenails, causing them to turn yellow due to lymph buildup under the nails |
| Age | Typically seen in people over age 50 |
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What You'll Learn

Yellow nail syndrome
Yellow nails can be caused by a number of factors. In some cases, nails may turn yellow due to dyes or harsh products, such as nail polish, and will grow out to be a healthy, clear colour. However, if new nail growth remains yellow, it could be a sign of something more serious. Yellow nails can be a symptom of chronic lung conditions, internal malignancies, lymphatic obstructions, or rheumatoid arthritis. They can also be a sign of a nail fungus or an allergic reaction.
Onycholysis is another condition that can cause the nail to lift off the nail bed, exposing the nail bed to air and resulting in a white or yellow appearance. This condition is commonly seen in occupations that involve working with hands, such as butchers, food handlers, and hairdressers. It can be caused by trauma, psoriasis, or certain medications. To prevent onycholysis, it is important to avoid trauma to the nails, wear protective gloves, and minimise exposure to wet or moist environments and harsh chemicals.
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Allergic reaction
Yellow nail beds can be caused by an allergic reaction to a product like nail polish or harsh chemicals. If you think this is the case, you should stop using the product and see if the problem resolves itself. If the new nail growth remains yellow, you should consult a doctor.
Yellow nails can also be a sign of a nail fungus, which can be treated by a healthcare professional. In some cases, yellow nails can be a symptom of something more serious, such as chronic lung conditions, internal malignancies, lymphatic obstructions, or rheumatoid arthritis.
Onycholysis, a condition where the nail plate lifts off the nail bed, can also cause the nail bed to look white or yellow. This is commonly seen in people who work with their hands, such as butchers, food handlers, and hairdressers. To prevent onycholysis, it is important to avoid trauma to the nails, wear protective gloves, and avoid wet or moist environments and harsh chemicals.
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Chronic lung conditions
Yellow nail beds can be caused by a number of factors, including dyes, harsh products, and nail fungus. However, if new nail growth remains yellow, it could be indicative of a more serious underlying condition. One such condition is chronic lung disease, which can cause yellow nail syndrome. This rare disease affects the fingernails and toenails, causing them to appear yellow due to a buildup of lymph under the nails. The lymphatic system is part of the immune system, carrying lymph, a colourless liquid containing infection-fighting cells, throughout the body. Problems with the lymphatic system can cause a buildup of lymph, resulting in swelling under the skin in various parts of the body, including the nails. Yellow nail syndrome typically affects people over the age of 50, but it can occur at any age. If you are concerned about yellow nail beds, it is important to consult a healthcare professional to determine the underlying cause and receive appropriate treatment.
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Internal malignancies
Yellow nails can be caused by something as simple as a nail polish stain or an allergic reaction. However, they can also be a symptom of something more serious, such as internal malignancies.
Yellow nail syndrome can also be a sign of problems in the pulmonary system, which is responsible for breathing and oxygenating the blood. If the pulmonary system is not functioning properly, it can lead to a lack of oxygen in the blood, which can cause the nails to turn yellow.
It is important to note that yellow nails can also be caused by a nail fungus, which is a common infection that can be treated with antifungal medication. If you are concerned about the colour of your nails, it is always best to consult a healthcare professional, as they can help to pinpoint the cause and recommend the appropriate treatment.
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Nail fungus
Yellow nail beds can be caused by a number of factors, including nail polish, an allergic reaction, or a nail fungus. If the discolouration is caused by dyes or harsh products, the nail will grow out to a healthy, clear colour. However, if new nail growth remains yellow, it may be a sign of a nail fungus or a more serious underlying condition.
Symptoms of nail fungus include nail discolouration, thickening, and distortion of the nail shape. The nail may become brittle or crumbly, and white or yellow streaks may appear on the nail bed. In some cases, the nail may separate from the nail bed, a condition known as onycholysis. This can cause pain and discomfort, and increase the risk of bacterial infection.
Treatment for nail fungus typically involves oral or topical antifungal medications. Topical treatments, such as creams or nail polishes, are applied directly to the affected nail and are most effective for mild to moderate cases. Oral medications, such as terbinafine or itraconazole, are taken by mouth and work by inhibiting the growth of the fungus. These medications are typically prescribed for more severe or persistent cases of nail fungus. In some cases, surgical removal of the nail may be necessary to allow direct application of antifungal medication to the nail bed.
Prevention of nail fungus involves keeping nails clean, dry, and trimmed, avoiding walking barefoot in public areas, and wearing breathable shoes and socks. It is also important to avoid sharing nail clippers or other nail care tools, and to disinfect them after each use. For those at high risk of developing nail fungus, antifungal nail polishes or powders can be used as a preventative measure.
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Frequently asked questions
It could be a sign of a nail fungus, or that your nails have been stained by a product like nail polish.
It could be a sign of an allergic reaction, or something more serious like a chronic lung condition, internal malignancies, lymphatic obstructions, or rheumatoid arthritis.
It's a rare disease that affects the fingernails and toenails, causing them to turn yellow due to a buildup of lymph under the nails.
You should consult a healthcare professional to determine the underlying cause and receive appropriate treatment.
Yes, it could be due to onycholysis, which is when the nail plate lifts off the nail bed and becomes exposed to air. This can be caused by trauma, psoriasis, or certain medications.











































