Blue nails

Blue nails

Blue nails, or more formally azure lunula, are characterized by a blue discoloration of the lunulae, seen in argyria and cases of hepatolenticular degeneration, also having been reported in hemoglobin M disease and hereditary acrolabial telangiectases. In Wilson's disease the blue color involves the lunula and fades proximally. In argyria, the nail is permanently pigmented a slate-blue color and is most evident in the lunula. Minocycline can also turn the nail plate blue-gray. ... more on Wikipedia

Blue nails is also found on...

Symptoms of Wilson's Disease