Tag Archives: fingernail discoloration

Fingernail Discoloration Causes

Fingernail Discoloration

I recall my dad coming in from the barn with dark purple, almost black nails. These discolored fingernails were almost always a result of an unlucky blow with a hammer or something that landed in just the wrong place, usually a big toe or a thumb. In this case, identifying the cause of fingernail discoloration was easy;