What are the physiologic causes of melanonychia?

Updated: Sep 10, 2018
  • Author: Chris G Adigun, MD, FAAD; Chief Editor: William D James, MD  more...
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Answer

Physiologic causes of melanonychia are as follows:

  • Racial melanonychia (African American, Hispanic, Indian, Japanese, other dark-skinned races) (multiple bands)

  • Pregnancy (multiple bands)


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