What causes toenails to turn dark?

Black Toenail: Common Causes
If your toenail turns black, it's most likely a bruise under the nail, technically called a subungual hematoma. You can get it from stubbing a toe or from footwear that cram your feet into the front of the shoe.
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How do you get rid of dark toenails?

Over-the-counter ointments, creams, and polishes are usually effective. Severe cases may require a prescription antifungal treatment. If a black toenail is caused by an injury, the resulting spot from broken blood vessels will disappear once your nail grows out.
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What does the color of your toenails mean?

A healthy toenail is a shade of pale pink, much like your fingernail. Any yellowing or tinges of black color means something is not right. For example, if your toenails become yellow, you probably have a fungal infection. Yellowing can also be the result of smoking or a side effect of diabetes or a liver condition.
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Why are my toenails dark brown?

If your toenails are yellow or brown, they're probably infected. Toenails that are unusually thick with a yellow or brown-tinge are most likely the result of a fungal infection. A microscopic fungus, Cunha said, may affect one or more nails at a time.
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What do your toenails tell you about your health?

Yellow Toenails

Your toenails tell a lot about your overall health. A fungal infection often causes thickened yellow toenails. Thick, yellow nails also can be a sign of an underlying disease, including lymphedema (swelling related to the lymphatic system), lung problems, psoriasis, or rheumatoid arthritis.
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Tell-nail Signs of Your Health



How do I get my toenails white again?

Soak in hydrogen peroxide

Simply fill a small bowl with one part water and one part hydrogen peroxide. Place fingers or toes in the bowl so that nails are completely covered and let soak for 15 minutes. Rinse well. Repeat daily until nails are whiter and stains have disappeared.
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Can diabetes cause your toenails to turn black?

The first toenail change you'll notice in diabetic patients is likely to be discoloration. Most have some yellowing of the nails, though the shade and involvement can vary. Discoloring may start at the distal edge (tip), and run all the way to the root of the nail bed.
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Is a black toenail serious?

A person should see a doctor if they experience a sudden, unexplainable black toenail, or if it does not heal with time and at-home treatments. In cases of trauma or injury, the discolored part of the nail will disappear as the nail grows out.
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How do you treat black toenails at home?

Diluted in water vinegar can be used as a foot soak. Soaking your feet in a vinegar foot soak daily can treat black toenail fungus. The ratio can be one part vinegar and two parts of water. If the infection is extreme then a heavy soak is required to reduce the infection.
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Can toenail fungus look black?

Nail fungus can cause the nail to become thick or ragged and appear yellow, green, brown or black. An infected nail may separate from the nail bed. Nail fungus is a common condition that begins as a white or yellow spot under the tip of your fingernail or toenail.
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What does melanoma look like under toenail?

Subungual melanoma often starts as a brown or black streak under a toenail or fingernail. A person may mistake it for a bruise. The main symptoms of subungual melanoma include: brown or black streaks in the nail without any known injury.
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What do diabetic fingernails look like?

In some people with diabetes, the nails take on a yellowish hue. Often this coloring has to do with the breakdown of sugar and its effect on the collagen in nails. This kind of yellowing isn't harmful. It doesn't need to be treated.
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What are signs of diabetes in your feet?

Signs of Diabetic Foot Problems
  • Changes in skin color.
  • Changes in skin temperature.
  • Swelling in the foot or ankle.
  • Pain in the legs.
  • Open sores on the feet that are slow to heal or are draining.
  • Ingrown toenails or toenails infected with fungus.
  • Corns or calluses.
  • Dry cracks in the skin, especially around the heel.
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Does hydrogen peroxide Whiten toenails?

Hydrogen peroxide has natural bleaching properties, which can effectively whiten your nails. Just mix a ¼ cup of hydrogen peroxide with a ½ cup of warm water in a small bowl. Soak your nails in the solution for 5 minutes for light stains and up to 15 minutes for more stubborn ones.
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Does baking soda whiten nails?

Mix equal parts baking soda and warm water to create a paste. Then, dip a nail brush or toothbrush into the paste and scrub it onto your fingernails. Let the paste sit for 30 minutes to treat your nails. Then, rinse it off using warm water and mild soap.
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Can toothpaste whiten nails?

Yes, toothpaste! Whitening toothpaste, when applied, can lighten and brighten your nails in just a few short minutes. The same clinically proven natural whitening ingredients in products such as Tom's of Maine Luminous White Toothpaste can double as a treatment for surface stains on nails.
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What are the 3 most common symptoms of undiagnosed diabetes?

The three most common symptoms of undiagnosed diabetes include increased thirst, increased urination, and increased hunger. Diabetes is a metabolic disorder that happens when blood sugar (glucose) is too high (hyperglycemia).
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What are 10 warning signs of diabetes?

Early signs and symptoms of diabetes
  • Frequent urination. When your blood sugar is high, your kidneys expel the excess blood sugar, causing you to urinate more frequently. ...
  • Increased thirst. ...
  • Fatigue. ...
  • Blurred vision. ...
  • Increased hunger. ...
  • Unexplained weight loss. ...
  • Slow healing cuts and wounds. ...
  • Tingling or numbness in the hands or feet.
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What are 3 things you should never do to the feet of someone with diabetes?

Avoid soaking your feet, as this can lead to dry skin. Dry your feet gently, especially between the toes. Moisturize your feet and ankles with lotion or petroleum jelly. Do not put oils or creams between your toes — the extra moisture can lead to infection.
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What do renal failure nails look like?

Nail changes.

People who have advanced kidney disease can develop: A white color on the upper part of one or more nails and a normal to reddish brown color below, as shown here (half-and-half nails) Pale nails. White bands running across one or more nails (Muehrcke's nails)
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What fingernails would indicate liver problems?

Terry's nails can sometimes be attributed to aging. In other cases, Terry's nails can be a sign of a serious underlying condition, such as liver disease, congestive heart failure, kidney failure or diabetes.
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Can diabetes cause toenail discoloration?

Diabetes. People with diabetes are more vulnerable to fungal infections than the general population, so toenail discoloration can be a warning sign of the condition or a complication in someone with a confirmed diagnosis. Poor circulation and reduced sensation in the feet often accompany diabetes.
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What does Stage 1 melanoma look like?

Stage IA Melanoma: The melanoma tumor is less than 1.0 millimeter thick (less than the size of a sharpened pencil point) with or without ulceration (broken skin) when viewed under the microscope. Stage IB Melanoma: The melanoma tumor is more than 1.0 millimeter and less than 2.0 millimeters thick without ulceration.
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How can you tell the difference between toenail fungus and melanoma?

Diagnosing subungual melanoma vs. nail fungus
  1. brown or black bands of color that increase in size over time.
  2. change in skin pigment (darkening around the affected nail)
  3. splitting nail or bleeding nail.
  4. drainage (pus) and pain.
  5. delayed healing of nail lesions or trauma.
  6. separation of the nail from the nail bed.
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What nail color says about your health?

Synopsis: The nail color of fingernails and toenails can reveal certain serious health conditions for instance white nails may be indicative of kidney or liver disorders or anemia. Healthy fingernails and toenails should be white as it grows off the nail bed and the nail plate a pinkish color.
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