Black Toenail Treatment

Black toenail treatment is usually fairly safe. It is usually just some dry blood, but sometimes if can be dangerous.

Black Toenail:

  • If it is a thick black line it may be dangerous, this can be a melanoma!
  • But if it is a black spot under the nail, then it is most likely blood.
  • This is most commonly due to injury or improper shoes during exercise.
  • But don’t worry, it’s almost never dangerous.



Why Is My Toenail Black?
  • The #1 cause for your toenail turning black is a subungual hematoma.
  • This is simply blood underneath the toenail.
  • This can happen in either a severe injury, or even just light painless rubbing during walking.
  • It can be scary if it just appears for not reason, but usually tight shoes or new shoes can be to blame!
  • Treatment involved mainly just getting a good pair of new shoes.
  • I’ll show you how to do that!
  • If the toenail is loose, don’t worry it will basically always grow back.
  • But be warned, toenails grow back slow- up to 1 year sometimes!


Black Toenail Causes:
  • The most common cause is an injury to the big toe.
  • The second most common cause is a runners black toe.
  • A runners black toe is due to constant rubbing in the shoe, this may even be painless!
  • The third most common cause may be black toenail fungus.
  • This may be a misconception, toenail fungus is almost always thick yellow toenails.
  • The fourth most common cause is the most dangerous; A mole that may be suspicious.
  • If you have a black mark or black line that has been there for months or years, make sure to analyze it!
  • This could be black toenail melanoma.


Big Toenail Turning Black Symptoms:

  • Black and blue toenail discoloration.
  • Black toenail after running.
  • Black line in toenail (consider black toenail melanoma).
  • Black dot under toenail.
  • Pain after black toenail injury.
  • Possible bleeding from under the black toenails.



Black Toenail Treatment:


The most common causes of a toenail turning black are injury, runners black toenail, black toenail fungus and a black mark on toenail due to melanoma:


1)Black Toenail Injury:

  • This is by far the most common cause of a black and blue toenail.
  • This is usually obvious when it happens, because something falls or stubs your toe!


Black Toenail Injury Treatment:

  • There is nothing really do here except wait for the toenail to grow back.
  • It can take up to 1 year to have it grow back!


Check out our toenail falling off guide!



2) Black Toenail Running:

  • A black runners toe is possible in two ways: long distances and improper shoes!
  • It is usually some combination of both that leads to this type of toenail.
  • Also consider this if you have black toenails on both feet.


Black Toenail Running Treatment:
  • Use a Brannock device to measure your shoes.
  • Make sure there is enough room at the big toe and the pinky toe.
  • These two spots are the most important!


3) Black Toenail Fungus Treatment:
  • Toenail fungus is usually yellow, thick and crumbly.
  • But if you have thick black toenails, it may be a combination of both.

 Black Toenail Fungus Treatment:


  • There are many home remedies available for the treatment of black toenail fungus.

Check out our complete toenail fungus guide!


4)Black Line In Toenail:
  • A black line in the toenail may be a melanoma, a type of skin cancer.
  • But don’t worry, this is very rare.
  • Most lines are not dangerous.


Black Line In Toenails Treatment:

Some things to consider:

  • The thickness of the black line.
  • Any extension from the toenail into the skin?
  • Any toenail deformity?
  • Any bleeding or non-uniform changes?

Jump To The Black Streaks In The Toenail Page.