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Genetic and Rare Diseases Information Center (GARD)

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Twenty-nail dystrophy

Other Names for this Disease
  • Onychodystrophy totalis, isolated
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  • A dermatologist recently advised that I have twenty-nail dystrophy. However, when I read about this, it is described as a childhood disorder.  Only as an adult have my nails become brittle, with ridges vertical and horizontal.  This has even affected my toenails.  Also, I am losing a lot of hair.  What causes twenty-nail dystrophy? Click here for answer