Frequent question: Why do toenails go black after running?

Runner’s toenail, also known as jogger’s toenail, is when your nail or surrounding area becomes black from the repeated stress of running. The discoloration comes from blood that leaks from broken blood vessels. Medically, runner’s toenail is known as subungual hematoma.

Can you still run with a black toenail?

Many runners are familiar with black toenails. While they can look alarming, most often they are not too painful and resolve on their own. It is usually okay to run with a black toenail, as long as you are wearing proper fitting shoes with adequate room in the toe box and thin, moisture-wicking socks.

How do you prevent runner’s toes?

The best way to prevent runner’s toe is to use the right shoes. Make sure they fit your foot properly and aren’t too tight on the toes. You should have a half-inch between your big toe and the end of your shoe. You should also be able to freely wiggle your toes.

How do you fix runner’s toe?

Tips for dealing with runner’s toenail

  1. Try wearing socks with plenty of cushion.
  2. Keep your toenails trimmed.
  3. Try silicone toe pads to relieve pressure.
  4. Take NSAIDs like ibuprofen if you have mild pain.
  5. Visit your doctor if you’re experiencing more than mild pain.
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What does a black spot on toenail mean?

A black spot under the nail can indicate a type of melanoma called acral lentiginous melanoma (ALM). These melanomas can appear anywhere on the body, including underneath fingernails and toenails. The sub-type of ALM that affects the nail is called subungual melanoma.

What does a black toe indicate?

The most common cause of black toe is repeated trauma from the toe banging against the end of the shoe. Since the big toe is usually the longest toe, the banging produces bleeding and bruising of the nail, causing it to become discolored (often blue and then black).

How long does a black toenail take to fall off?

Unless the area of bleeding is very small, an affected nail will usually fall off on its own after several weeks because the pooled blood has separated it from its bed. A new fingernail can regrow in as little as 8 weeks. A new toenail may not fully regrow for about 6 months.

Do bruised toenails ever go away?

The discolored nail will eventually grow out — or in some cases it may fall off or need to be removed — and be replaced by a new, healthy one. This could take anywhere from about eight weeks for a fingernail to six months for a toenail.

What is runner’s foot?

It involves irritation or degeneration of the thick layer of tissue, called fascia, on the bottom of your foot. This layer of tissue acts as a spring when you’re walking or running. Increasing your running volume too quickly can put your fascia under increased stress.

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