suddenly or are accompanied by other unusual changes, discuss them with a healthcare professional.
2. Horizontal Ridges: Possible Sign of Illness or Injury
What it looks like: Lines or grooves running horizontally across the nail. These are often called Beau’s lines.
What it might mean: Beau’s lines can develop when nail growth is temporarily interrupted. They may occur after a significant illness, high fever, injury, surgery, or other major physical stress. The position of the groove can sometimes provide an indication of when the interruption occurred.
What to do: If
