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why is my toenail black and hollow

A member asked:
Dr. Jeffrey Kass
27 years experience Podiatry
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 ... Read More

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A 29-year-old member asked:
Dr. Andrew Oswari
23 years experience Family Medicine
Onychomycosis: Depending on your age it could be fungus on the toenail. You should see your doctor who could get a scraping and send it to the lab to be analyzed.
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A 25-year-old female asked:
Dr. Christopher Hendrix
26 years experience Podiatry
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 rece ... Read More
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3 thanks
A female asked:
Dr. Jehangir Rao
Specializes in Holistic Medicine
Wait: It might take 12 to 18 months for a new nail to grow out. Is it only 1 toe? If multiple have your toes checked out
A 63-year-old female asked:
Dr. Glenn Aufseeser
8 years experience Podiatry
Many things: Many things can cause discoloration of a toe nail. It could be blood resulting from a history of trauma or a fungal infection. I would advise seeing ... Read More
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A 47-year-old member asked:
Dr. Frank Smith
28 years experience Podiatry
Black Toenail : If it was caused by trauma bleeding under the nail leave the nail in place and allow a new nail to develop. I would have a podiatrist take a look at i ... Read More
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A 56-year-old member asked:
Dr. Eric Tepper
40 years experience Podiatry
Trauma to toenail: It usually is indicative of a traumatic event to the toenail. The discoloration is a sub ungual (beneath the nail) hematoma.
A female asked:
Dr. Jonathan Posner
26 years experience Podiatry
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). O ... Read More
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4 thanks
A 56-year-old member asked:
Dr. Adam Teichman
18 years experience Orthopedic Foot and Ankle Surgery
Rubbing in a shoe: If you are runner this is a common occurence due to pressure with the nail and the shoes. We call this runner nail. If you are a runner or not sekin ... Read More
A 50-year-old member asked:
Dr. Ronald Oberman
30 years experience Podiatry
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 ... Read More
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2 thanks

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