If your toenail turns black, it’s most likely a bruise under the nail, technically called a subungual hematoma. You can get it from stubbing a toe or from footwear that cram your feet into the front of the shoe.
Black Toenail: Causes, Treatments, and More – Healthline
Black toenail: 6 potential causes – Medical News Today
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What does dark big toe nails mean?
What causes black toenail? A black toenail may be caused by: An underlying medical condition: This may include anemia, diabetes, heart disease, or kidney disease. Fungal infections: While these often look white or yellow, fungal infections can sometimes cause black toenails from debris buildup.
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Why is my big toenail darker than the rest?
Medical conditions that cause discolored nails Certain medical conditions, such as diabetes, poor circulation, or a heart or lung disease, can cause your toenails to change color. Talk to your doctor about any existing conditions you have that could affect the color of your nails.
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Should I be worried if my toenail is black?
When to see a doctor. A person should see a doctor if they experience a sudden, unexplainable black toenail, or if it does not heal with time and at-home treatments. In cases of trauma or injury, the discolored part of the nail will disappear as the nail grows out.
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Why is my big toenail thick and dark?
If you have a dark, thick toenail, it could be toenail fungus, which is usually caused by a type of fungus called dermatophytes. It affects the toenail and the area beneath the nail and causes color changes, thickening, and abnormally shaped nails.
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Should toenails be darker or lighter?
In some cases, discolored toenails that are dry and cracked could be a sign of a toenail fungus, so if you aren’t sure, it’s best to see a physician or podiatrist for an evaluation. Discoloration from polish use will usually grow out over time.
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Is a black toenail serious?
On the flipside, if you don’t know the cause, it’s a good idea to see your doctor just in case your black toenail is a sign of a serious medical condition. Not all cases of toenail fungus require a doctor’s visit. However, if you also have diabetes, you should see your doctor for treatment.
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Will a black toenail go away?
Black toenails will typically go away on their own, but it can take several months. The condition will diminish once new tissue grows completely under the toenail itself. There are several ways to prevent a black toenail from happening in the first place.
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Why is one of my toenails black?
Black Toenail: Common Causes If your toenail turns black, it’s most likely a bruise under the nail, technically called a subungual hematoma. You can get it from stubbing a toe or from footwear that cram your feet into the front of the shoe.
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Why is my toenail black without injury?
If you have a dark, thick toenail, it could be toenail fungus, which is usually caused by a type of fungus called dermatophytes.
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Why are my big toe nails dark?
What causes black toenail? A black toenail may be caused by: An underlying medical condition: This may include anemia, diabetes, heart disease, or kidney disease. Fungal infections: While these often look white or yellow, fungal infections can sometimes cause black toenails from debris buildup.
Error message | View complete answer on https://www.healthline.com
Should I be worried if my toenail is black?
When to see a doctor. A person should see a doctor if they experience a sudden, unexplainable black toenail, or if it does not heal with time and at-home treatments. In cases of trauma or injury, the discolored part of the nail will disappear as the nail grows out.
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What deficiency causes black toenails?
Black toenails could be a sign of anemia, an infection, or a vitamin B12 deficiency. Dark streaks under the nail may be an indication of a severe skin cancer called melanoma.
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