What Does a Black Mark on a Nail Indicate? Causes and Treatments

Discover the meaning behind black marks on nails, from trauma to fungal infections. Learn when to seek medical advice.

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A black mark on a nail can indicate trauma, resulting in a bleed under the nail, called a subungual hematoma. However, it may also signify a fungal infection or, in rare cases, melanoma. Seek medical advice to determine the cause and appropriate treatment.

FAQs & Answers

  1. What are the signs of a fungal infection in nails? Fungal infections in nails often present with discoloration, thickening, and crumbly texture.
  2. How can I treat a subungual hematoma? Treatment for a subungual hematoma may include draining the fluid or seeking medical advice, depending on severity.
  3. When should I see a doctor for nail changes? You should consult a doctor if you notice sudden changes in nail color, texture, or if there is persistent pain.
  4. Can black marks on nails be a sign of serious health issues? Yes, while they are often due to trauma, black marks can sometimes indicate serious health issues like melanoma.

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