Canada
A 39-year-old female asked:
What does it mean when you have white thick lines on the nails?
1 doctor answer • 3 doctors weighed in

Dr. Michael Fisheranswered
Dermatology 33 years experience
Leukonychia: Leukonychia
white nails. Consider hypoalbuminaemia or chronic renal failure. May be familial. Transverse leukonychia, or multiple parallel white lines, are thought to be due to manicuring but may also arise in association with beau's lines. Beau's lines are depressions across the fingernail. These lines can occur after illness, injury to the nail, and when you are malnourished.
5k viewsReviewed >2 years ago

Dr. Donald Alves commented
Emergency Medicine 25 years experience
Can also appear after exposure to heavy metals.
Feb 9, 2014
Last updated Oct 4, 2016
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