What causes nails to turn black?

What causes nails to turn black?

Melanonychia is caused when the pigment cells, called melanocytes, deposit melanin brown-colored pigment into the nail. These deposits are usually grouped together. As your nail grows, it causes the stripe of brown or black to appear on your nail.

What do you do if your nail turns black?

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.

Why do nails start turning black?

Sometimes discolorations can occur from nail polish, nutritional deficiencies, infection, or trauma. Black toenails are attributed to a variety of causes, some of which resolve on their own. If your nail doesn’t get better, you’ll need to see your doctor to rule out a more serious cause of black toenail.

What to do if your nails are turning black?

If a fingernail or toenail has a new or changing dark streak, it’s time to see a dermatologist for a skin cancer check. That dark streak could be melanoma, the most serious type of skin cancer.

What deficiency causes black nails?

Zinc deficiency, which may be due to a lack of zinc in the diet or an underlying medical condition, can cause nail dystrophy.How much zinc does a person need?AgeDose in milligrams (mg)breastfeeding adults1212 more rowsx26bull;25-Feb-2021

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