Sophia Delgado
Yellowing of the big toenail can be caused by a number of factors, including excessive nail polish use, fungal infections, and underlying medical conditions. In this article, we will explore the possible causes of yellow toenails and provide advice on prevention and treatment. We will also discuss when it is necessary to seek medical advice for this condition.
| Characteristics | Values |
|---|---|
| Cause | Excessive nail polish use, fungal infections, underlying medical conditions (e.g. diabetes, yellow nail syndrome, thyroid issues) |
| Treatment | Antifungal medication, oral or topical |
| Prevention | Avoid moist environments, wear comfortable and properly fitted shoes |
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What You'll Learn
Yellow toenails and nail polish
Yellow toenails can be caused by excessive nail polish use, particularly if you use red, yellow or orange nail polish. Although this may look unpleasant, it is usually harmless.
However, yellow toenails can also be a sign of a fungal infection, such as onychomycosis, which is caused by a harmful fungus. This can lead to thickening and deformity of the nail plate, which then causes the discolouration. Tight-fitting shoes can make the discolouration worse. If you think you have a fungal infection, you should treat it with an antifungal medication. Antifungals come in both topical and oral form, with the oral form being more effective.
Yellow toenails can also be a sign of an underlying medical condition, such as diabetes, or a rare condition called yellow nail syndrome, which can cause both fingernails and toenails to turn yellow. If you suspect that your yellow toenails are caused by something other than nail polish, you should consider seeing a doctor as you may need a prescription to treat the condition.
If you want to prevent your toenails from turning yellow, you should avoid wearing nail polish in these colours, and make sure that your toenails are clean and dry. You should also wear comfortable, properly fitted shoes to avoid trauma to the nail plates.
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Yellow toenails and fungal infections
Yellow toenails can be caused by a fungal infection called onychomycosis, which can affect any part of the toenail and may cause it to appear yellow. The most common fungal infection is from the Trichophyton family. Infection with fungus can cause thickening and deformity of the nail plate, which leads to the discolouration of the nail.
Fungal infections can be treated with antifungal medication, which comes in both topical and oral forms. Oral medication is more effective than topical medication alone.
Yellow toenails can also be caused by excessive nail polish use, particularly red, yellow or orange nail polish. Although they may look unpleasant, yellow toenails resulting from too much nail polish are usually harmless.
In some cases, yellow toenails can be a symptom of an underlying medical condition, such as diabetes or yellow nail syndrome. Yellow nail syndrome is a rare, systemic disease characterised by yellow toenails and fingernails, along with systemic symptoms, including respiratory problems and lymphedema swelling of the legs.
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Yellow toenails and underlying medical conditions
Yellow toenails can be caused by excessive nail polish use, particularly if the nail polish is red, yellow or orange. Although this may look unpleasant, it is usually harmless.
However, yellow toenails can also be a sign of an underlying medical condition. For example, yellowing of the nail can indicate a fungal infection, which is more commonly seen in toenails than fingernails. The most common fungal infection is from the Trichophyton family. Infection with fungus can cause thickening and deformity of the nail plate, which leads to the discolouration of the nail.
Yellow nail syndrome is another rare, systemic disease characterised by yellow toenails and fingernails, along with systemic symptoms, including respiratory breathing problems and lymphedema swelling of the legs. There is currently no effective treatment for the nails, but treatment is focused on addressing the systemic symptoms.
Nail changes can also occur with both hypo- and hyper-thyroidism. Onycholysis can be seen in hyperthyroidism, in addition to yellowing of the nail plates, while the most common nail changes with hypothyroidism include thickening and crumbling of the nail plates, brittleness and slow growth.
In people with these conditions, it is very likely that other symptoms will also occur alongside yellow toenails. Unless the suspected cause is excessive nail polish use, a person with yellow toenails should consider seeing a doctor as they may need a prescription to treat the condition.
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Yellow toenails and nail syndrome
Yellowing of the toenails can be caused by a number of factors, including excessive nail polish use, fungal infections, and underlying medical conditions. In some cases, yellow toenails can be a symptom of a more serious health issue, such as diabetes. Nails are typically translucent, but can turn yellow due to various reasons.
One possible cause of yellow toenails is a fungal infection. This is more commonly seen in toenails than fingernails and can be associated with athlete's foot. The most common fungal infection is from the Trichophyton family. Infection with fungus can cause thickening and deformity of the nail plate, which leads to the discoloration of the nail. To prevent and treat fungal infections, it is recommended to avoid moist environments, wear comfortable and properly fitted shoes, and treat any underlying infections with antifungal medication, which can be taken orally or applied topically.
Another possible cause of yellow toenails is excessive nail polish use, particularly with red, yellow, or orange nail polish. While this may make the toenails appear yellow, it is usually harmless. However, if the suspected cause is not excessive nail polish use, it is recommended to see a doctor as yellow toenails may be a sign of an underlying medical condition.
In rare cases, yellow toenails can be a symptom of yellow nail syndrome, a rare systemic disease characterized by yellow toenails and fingernails, as well as respiratory problems and lymphedema swelling of the legs. There is currently no effective treatment for the nails in this syndrome, but treatment focuses on addressing the systemic symptoms, such as respiratory issues and peripheral edema.
It is important to note that nail changes can also occur with hypo- and hyper-thyroidism. Onycholysis, or the separation of the nail from the nail bed, can be seen in hyperthyroidism, along with yellowing of the nail plates. On the other hand, hypothyroidism can cause nail changes such as thickening and crumbling of the nail plates, brittleness, and slow growth.
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Yellow toenails and diabetes
Yellow toenails can be caused by excessive nail polish use, particularly if the nail polish is red, yellow or orange. Although this may look unpleasant, it is usually harmless.
However, yellow toenails can also be a sign of a fungal infection, which is more common in toenails than fingernails. This can cause thickening and deformity of the nail plate, which leads to the discolouration of the nail. This can be treated with antifungal medication, which comes in both topical and oral forms.
Yellow toenails can also be a symptom of an underlying medical condition, such as diabetes. If you suspect this may be the case, you should consider seeing a doctor as you may need a prescription to treat the condition.
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Frequently asked questions
It could be a fungal infection, or it could be a sign of an underlying medical condition such as diabetes.
A fungal infection can cause thickening and deformity of the nail plate, which leads to the discolouration of the nail. It can also cause discomfort and make it difficult to walk.
Yellow nail syndrome is a rare, systemic disease characterised by yellow toenails and fingernails, along with respiratory problems and lymphedema swelling of the legs.
Yes, excessive use of nail polish can cause toenails to become discoloured. In particular, using red, yellow or orange nail polish can cause the toenails to appear yellow.
