
White spots on the nails or nail bed are known as leukonychia. This can be caused by injury, fungal infections, allergies to nail products, nail dehydration, mineral deficiencies, or, in rare cases, a systemic illness or deficiency.
| Characteristics | Values |
|---|---|
| Common Causes | Injury, fungal infection, psoriasis, nail dehydration, mineral deficiency, allergies to nail products |
| Rare Causes | Systemic illness or deficiency |
| Side Effects | White spots or streaks on the nail |
| Treatment | Proper nail care, see a healthcare provider |
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What You'll Learn

White spots on toenails can be caused by a fungal infection
White spots on the nails or nail bed are known as leukonychia. The most common cause of white spots on the nail is injury, which can be prevented with proper nail care. Other possible causes are allergies to nail products and fungal infections. In rare cases, white spots on your nail can be a sign of a systemic illness or deficiency.
White spots usually mean that your nails have experienced some sort of stress. The stress could be from an injury, like hitting your nail against a hard surface, an infection or an allergic reaction. White spots are sometimes the side effects of medications.
If most of a toenail appears white – except for the tip – you may have a mineral deficiency that is causing the discoloration. Both iron deficiency anaemia and zinc deficiency can cause white nails that are thin and brittle. While mineral deficiencies’ effects on the nails are common, you will typically notice other symptoms of an iron or zinc deficiency before you see a white nail.
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Toenail trauma can cause white spots
White spots on the nails or nail bed are known as leukonychia. The most common cause of white spots on the nail is injury, which can be prevented with proper nail care. White spots can also be caused by allergies to nail products and fungal infections. In rare cases, white spots on your nail can be a sign of a systemic illness or deficiency.
If most of a toenail appears white, except for the tip, you may have a mineral deficiency that is causing the discolouration. Both iron deficiency anaemia and zinc deficiency can cause white nails that are thin and brittle. However, you will typically notice other symptoms of an iron or zinc deficiency before you see a white nail.
Nail fungus is a common cause of white spots on toenails. A toenail fungal infection typically presents as a white or yellow-brown spot under the tip or side of your toenail. If mild, it may resolve on its own.
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Allergies to nail products can cause white spots
White spots on the nails or nail bed are known as leukonychia. The most common cause of white spots on the nails is injury, but they can also be caused by allergies to nail products.
If you notice white spots on your toenails, it's important to consider whether you've recently started using any new nail products. If so, try discontinuing use of the product to see if the white spots go away. If they don't, or if you haven't started using any new nail products, it's possible that you're allergic to another substance or that the white spots are caused by something else entirely.
In addition to allergies, white spots on your toenails can be caused by a number of other factors, including fungal infections, psoriasis, nail dehydration, and mineral deficiencies. Officially called onychomycosis, nail fungus is a common cause of white spots on toenails. It typically presents as a white or yellow-brown spot under the tip or side of your toenail and, if mild, may resolve on its own.
If you're concerned about white spots on your toenails, it's always best to consult a medical professional. They can help determine the underlying cause and recommend appropriate treatment options.
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Mineral deficiencies can cause toenails to turn white
White spots on toenails can be caused by a number of things, including injury, fungal infections, psoriasis, nail dehydration, and mineral deficiencies. The medical term for white spots on nails is leukonychia, and it can affect part of the nail or the whole nail.
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White spots on toenails can be a side effect of medication
If most of a toenail appears white, except for the tip, this may be a sign of a mineral deficiency, such as iron deficiency anaemia or zinc deficiency. In this case, it is important to see a medical professional. While it may seem obvious to self-treat a perceived deficiency with mineral supplements, doing so can be detrimental to your health and can even lead to a dangerous overdose.
White spots on toenails can also be a sign of a fungal infection, most likely one called white superficial onychomycosis. Toenail fungal infections typically present as a white or yellow-brown spot under the tip or side of the toenail. If mild, the infection may resolve on its own.
Toe trauma can also cause a white streak, although you might not know that you have hurt yourself. For example, this can happen when sneakers are too small and your toe hits the front of the shoe.
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Frequently asked questions
It could be leukonychia, which is caused by injury, fungal infection, allergies to nail products, or, in rare cases, a systemic illness or deficiency.
White spots on the nail or nail bed, which won't disappear like a bruise but will grow out over time.
See a healthcare provider, especially if you suspect a mineral deficiency.











































