Understanding Why Fingernails Turn Black: Causes and Solutions

Discover the reasons behind black fingernails and when to seek medical advice. Learn about causes like trauma, infections, and more.

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Fingernails can turn black due to trauma, causing blood to pool under the nail in a condition known as a subungual hematoma. Other causes include fungal infections, melanonychia (dark streaks), or certain medications. If the discoloration is accompanied by pain or persists, consulting a healthcare professional is advisable.

FAQs & Answers

  1. What causes fingernails to turn black? Fingernails can turn black due to trauma, subungual hematoma, fungal infections, or melanonychia.
  2. When should I see a doctor for black fingernails? If the discoloration is painful, persistent, or associated with other symptoms, consult a healthcare professional.
  3. Can black fingernails be a sign of a serious condition? Yes, in some cases, black fingernails may indicate a serious underlying condition that requires medical attention.
  4. How can I treat black fingernails at home? Treatment depends on the cause; minor trauma may resolve on its own, while infections may need antifungal treatment and medical evaluation.