White lines on nails, or leukonychia, are often harmless, resulting from minor injuries. However, specific patterns like Muehrcke's or Mees' lines may indicate underlying health issues such as kidney ...

A single transverse white band appeared on each of the fingernails of a 27-year-old woman after she received induction chemotherapy with daunorubicin and cytarabine for acute myeloid leukemia. We ...

Before you worry too much: Most white streaks on nails are harmless. However, if you have similar lines on many nails, or a pair of lines that runs all the way across the nail, it could be a sign that ...

Dr Ogunleye: Beau lines are transverse lines in the nail—you actually see a deep horizontal dip or a split in the nail. It is the nail's version of telogen effluvium or stress-induced disruption in ...