Indented spoon-shaped nails (koilonychia)

If your finger nails curve inwards like spoons (koilonychia), you may have one of the following disorders:
  • iron-deficiency anaemia
  • haemochromatosis where the body retains too much iron
  • Raynaud's phenomenon
  • lupuserythematosus a rare condition where the immune system attacks the body's cells, tissues and organs
Content supplied by the NHS Website

Medically Reviewed by a doctor on 21 Dec 2018