What does a black toenail mean?

What causes black toenail? A black toenail may be caused by: An underlying medical condition: This may include anemia, diabetes, heart disease, or kidney disease. Fungal infections: While these often look white or yellow, fungal infections can sometimes cause black toenails from debris buildup.

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.

What does a black toenail signify?

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.

How do you get rid of black toenails?

What deficiency causes black toenails?

Zinc deficiency, which may be due to a lack of zinc in the diet or an underlying medical condition, can cause nail dystrophy. Nail dystrophy is the discoloration and distortion of a person's nails.

Tell-nail Signs of Your Health

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.

What your toenails say 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.

Does black toenail go away?

If a black toenail is caused by an injury, the resulting spot from broken blood vessels will disappear once your nail grows out. Black toenail caused by trauma from an injury usually resolves on its own without treatment.

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.

What does melanoma look like under a 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.

Why would your big toe turn black?

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).

Can diabetes cause black toenails?

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.

What does a discolored toenail mean?

Causes of Nail Discoloration

Dirt, poor hygiene, and living in a humid area are all causes of a fungal infection in your toenails. Fungal toenail infections can cause discoloration, making your nail appear any of these colors: Yellow. Red-brown.

Does nail fungus turn black when it dies?

A toenail can also become discolored from fungal infections in the skin under and around the nail. Toes can turn black from a lack of circulation causing gangrene, which is death of body tissue. If there is any doubt what is causing your black toenail, see your doctor or podiatrist.

When should I go to the doctor for a bruised toenail?

If the subungual hematoma extends to a little over a quarter or half of your toenail, then you must seek treatment at a doctor's office. If you experience throbbing or severe pain near the hematoma, your doctor will determine if the hematoma needs to be drained to relieve the pressure.

How do you keep your toenails from turning black?

What happens if you leave toenail fungus untreated?

If you have toenail fungus and it goes untreated, you may experience: Pain in your feet and toes due to thickened, distorted toenails. Spread of the fungus to your skin, causing athlete's foot. Infection of the surrounding areas, causing cracked skin, and increasing bacterial spread.

How long does a bruised toenail stay black?

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. It could take anywhere from 4 to 6 months for a fingernail to grow out or 12 to 18 months for a toenail, according to the American Academy of Dermatology.

What is it called when your toes turn black?

Gangrene is a serious condition where a loss of blood supply causes body tissue to die. It can affect any part of the body but typically starts in the toes, feet, fingers and hands. Gangrene can occur as a result of an injury, infection or a long-term condition that affects blood circulation.

What do Covid toes look like?

COVID toes: One or more toes may swell and turn pink, red, or a purplish color. Others may see a small amount of pus under their skin. Sometimes, people who have COVID toes have other symptoms of COVID-19.

Can your feet show signs of heart problems?

Here are some signs relating to the legs and feet that may be a sign of heart disease: Absent hair growth on the feet. Dry, thinning, and/or shiny skin on your legs and feet. Unexplained atrophy (decreased muscle size).

What is Diabetic foot?

They can happen over time when high blood sugar damages the nerves and blood vessels in the feet. The nerve damage, called diabetic neuropathy, can cause numbness, tingling, pain, or a loss of feeling in your feet. If you can't feel pain, you may not know when you have a cut, blister, or ulcer (open sore) on your foot.

How can I make my toenails healthy again?

Why are my toenails dark and thick?

Over time, debris builds up beneath the nail, causing it to darken. Nails can grow brittle, crumbly, or ragged. Toenails are an ideal environment for fungal infections because they are moist and warm. A fungal infection can also cause your toenails to thicken or become distorted.

How do I know if my toenail fungus is dying?