Black Lines on Nails From a Splinter Hemorrhage "The most common dark streaks that occur in nails develop as a result of trauma," says Dr. Zeichner. "Known as splinter hemorrhages, these are small ...

A woman who posted her health concerns on Reddit has been urged to go and see a doctor right away after posting a photo of ...

These are also known as splinter haemorrhages, appearing as reddish-brown lines running in the direction that your nails grow and happen when tiny blood clots damage the capillaries under your nail.

These are also known as splinter haemorrhages, appearing as reddish-brown lines running in the direction that your nails grow and happen when tiny blood clots damage the capillaries under your nail.