Menu

Leukonychia Striata

Medically Reviewed by Stephanie S. Gardner, MD on April 26, 2022

photo of lleukonychia striata on fingernail

Leukonychia striata. Also called Mees’ lines, these chalky white horizontal streaks on the fingernail are the result of abnormal keratinization in the nail plate. In many cases, there is no obvious cause, but they could be the result of fever, trauma to the nail or malnutrition. The streaks usually grow out or resolve on their own.

Slideshow: Birthmarks: Port Wine Stains to Hemangiomas  
Slideshow: Tips to Keep Baby’s Skin Healthy
Slideshow: Common Childhood Skin Problems: From Rashes to Ringworm
Slideshow: What Your Nails Say About Your Health

Show Sources

Photo Credit: Richard Usatine, MD

Sources:

Journal of the American Medical Association

DermNet NZ

© 2021 WebMD, LLC. All rights reserved. View privacy policy and trust info