Leukonychia Striata

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

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.

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