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Doctor insights on: Why Is My Toenail Black And Hollow

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

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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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 toenail is black and when I cut it it was hollow it is thickening where it is not black but where it is black it's not thick. What should I do?

My toenail is black and when I cut it it was hollow it is thickening where it is not black but where it is black it's not thick. What should I do?

Biopsy: Best bet - let your pcp ot podiatrist biopsy and culture the nail tissue for you to objectify the source of nail thickness and discoloration. Any recent trauma or history of fungal infection? Good health and happy 2014. -dr. H-. ...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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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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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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What does it mean when your toenail turns black and blue?

Hematoma: Sounds like you traumatized your nail and blood is under it. Blood under the nail is called a subungual hematoma. ...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?

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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I have little black seed looking dots under my toenail. What is it?

Splinter: Hemorrhages is a possibility. Can get that from trauma to the nail can also be seen with bacterial endocarditis. ...Read more

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I have black lines on my toenail is it something I should be worried?

I have black lines on my toenail is it something I should be worried?

Could be melanoma: Said, not to scare you, but to get you to see a dermatologist or podiatrist. Sometimes dark lines can be a sign of malignant melanoma. Sometimes not. Could be as simple as bruising or splinter hemorrhage. Even splinter hemorrhage can be sign of other systemic issues. Your doctor may want to do a biopsy to make sure. ...Read more

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How long until my black toenail falls off and a new one starts growing?

More info needed: To receive an answer that will be more helpful for you, you need to give more information...Your health status, any problems such as gout, diabetes or blood pressure concerns. You should state how long it has been a problem and what you do to make it feel better. Also tells us what it looks like. Is it discolored, swollen or point tender. The more you tell the better the answer. ...Read more

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My toenails are a grey black what does it mean and touching the toenails hurt?

My toenails are a grey black what does it mean and touching the toenails hurt?

Possible hematoma: You may have an injury under the toenail which is causing the pain but has also created a blood blister (hematoma) under the nail plate. If the nail isn't already loose, you can see a podiatrist who could help drain the nail and/or avulse (remove) it safely as well as examined for an injury. ...Read more

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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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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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