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Doctor insights on: Why Are My Toenails Turning Black

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Why are my toenails turning black?

Why are my toenails turning black?

Too little info: Too little info here...Could be many things from trauma to fungal issues...You need to see your family doc or a podiatrist for a good history and physical exam. ...Read more

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Dr. Arnold Beresh
340 doctors shared insights

Toenails (Definition)

Toenails are the hard coverings at the end of the toes. Nails are made out of a protein called keratin. They function to protect the end of the toe and to increase sensitivity of touch. Good nail care is important to prevent ...Read more


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What would be the reason for my toenails to be turning black. They are also becoming hollow underneath. What should I do?

What would be the reason for my toenails to be turning black. They are also becoming hollow underneath. What should I do?

Toenails: You probably have a fungus in your toemails. Many therapies are out there but soaking them in vineger twice a day and using some tinactin (tolnaftate) spray may help. ...Read more

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My husband, on pradax for af, is experiencing painful calves and toenails turning black. What's happening?

My husband, on pradax for af, is experiencing painful calves and toenails turning black. What's happening?

Pradaxa: These are not normal side effects according to their literature. Tiredness is listed . Either way , see your prescribing physician asap . Good luck. ...Read more

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What causes black and blue toenails?

What causes  black and blue toenails?

See a podiatrist: If you are runner, this is a common injury called "black toe syndrome" due to blood bruises under the nail plate. Other causes of black toenails are infections - either bacterial or fungal. Another cause may be from a fracture in the last bone of the toe. In any case, see a podiatrist who can examine and treat any of these conditions and recommend ways to prevent recurrence. ...Read more

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What causes black lines in the toenails?

Various things: In people with skin of color it may be a normal variation. Skin growths may also cause them, both of the benign and malignant kind. See your dermatologist. ...Read more

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Are there any home remedies for black toenails?

Are there any home remedies for black toenails?

A few: Home remedies for nail fungus include: vick's vaporub listerine mouthwash tea tree oil they might help the appearance a little, but usually does not cure the infection. On the plus side they are cheap, and will cause no harm. It can also be a bruised toenail, which if painless usually fade in time. If painful it might be a hematoma that needs podiatric treatment. If all fails, see a podiatrist. ...Read more

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What causees toenails to turn black around the edges?

What causees toenails to turn black around the edges?

Black toe nails: Black colored toenails could be from trauma, fungus , hematoma and even a rare form of cancer. See a podiatrist for a biopsy to play it safe. ...Read more

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My son has a black line across both big toenails almost like it was broke then grew back together what could it be?

My son has a black line across both big toenails almost like it was broke then grew back together what could it be?

Nail discoloration: Dark lines across the nails most commonly are from either trauma or fungus. As long as it is healing he should be fine... if you are concerned, a picture or video upload will help and an exam will definitely give you the correct diagnosis and treatment if needed. ...Read more

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Both big toenails discoloured, blue looking; right one particularly looks as though black streak in it. Slight pain but nothing major. What to do?

Both big toenails discoloured, blue looking; right one particularly looks as though black streak in it. Slight pain but nothing major. What to do?

Microtrauma: It sounds like your toenails are hitting the end of your shoe. This usually happens if the toe box is either too small (toe is pressed up against the end) or too large (foot is sliding around and the toe is hitting the end). This is very common in runners--it can lead to either thickening of the nail, or it may eventually turn black and fall off--a new nail will grow in within a year. ...Read more

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What causes black toenail?

What causes black toenail?

Blood,fungus,other: The most common causes of black toenails are old blood from trauma and fungal infections. There are other dermatological and hematological causes, but they are not common. ...Read more

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Black dot on toenail?

See below: It is probably dried blood either on or most likely under the toenail. ...Read more

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What should I do with a black toenail?

What should I do with a black toenail?

Black toenail: Have it examined, & treat the cause, such as trauma. ...Read more

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My toenail has turned black and hollow. What should I do?

The nail lifted: From either fungus or an accumulation of blood klnown as a subungual hematoma. Your choices are too leave alone if not painful or see a podiatrist who will give you option of removing the nail and allowing a new one to grow back. This is sometimes done as the current nail may be deformed. ...Read more

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What does it mean when your toenail turns black and blue?

What does it mean when your toenail turns black and blue?

Bruise: Normally it is dry blood from the nail having been traumatized (injured). The important thing is the area of discoloration should grow out as the nail grows out. If it does not grow out with the nail have it checked. It can take up to 9 months for it to grow all the way to the tip of the nail. ...Read more

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Why is there a vertical black line on my right big toenail?

Why is there a vertical black line on my right big toenail?

Trauma: A dark line that runs vertically down the nail can indicate that you might have traumatized the nail matrix(the area where the nail starts growing). Other possibilities are fungus, melanoma and genetics. See your doc for a full evaluation. ...Read more

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What's the reason why my toenails are black and blue underneath?

What's the reason why my toenails are black and blue underneath?

Bruised...: They probably had some sort of trauma causing a bruise under the nail plate, most likely from rubbing in the shoes. This should grow out with time. ...Read more

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How do I get my normal toenail back after a severe black toenail?

Avoid more trauma: Assuming you mean the typical "black nail" which develops from either direct or repetative low grade trauma(ie: toe banging up against tip of shoe in runners), the "black" needs to grow out. If more trauma or pressure can be avoided, the color will grow out as the nail grows. This may take many months. ...Read more

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