Name of the Day. FIONNUALA. Previous. Means white shoulder from Irish fionn white, fair and guala shoulder. In Irish legend Fionnuala was one of the four children of Lir who were transformed into swans for a period of 900 years. more...
Causes of Blue nails (Blue toenails or fingernails). The list of medical condition causes of Blue nails (Blue toenails or fingernails) includes: 1  Agyria. 2  Mepacrine. 3  Lack of oxygen.
Black-and-Blue Toenail Symptoms. The big toe is most often affected. Bruised, broken blood vessels cause the black, blue, and deep purple colors under the nail. Particularly with a blood blister, the fluid buildup can irritate the toe itself causing it to redden, swell, and throb.lack-and-blue toenails are caused by an injury to the skin beneath the toenail. As blood and fluid collect beneath the nail plate the nail itself, which is somewhat translucent, begins to appear black.