What Causes Toenails to Turn Purple?

Answer

If there is blood accumulating under the toenail, the nail can appear purple. This can happen when the toenail is bruised or affected by other injury such as from tight shoes. The dried blood accumulates under the toenail giving its purplish shade.
Reference:
Q&A Related to "What Causes Toenails to Turn Purple?"
Toenails will appear black when there is blood collected under the nail. This is usually caused by an injury to the toe or the toenail area.
http://answers.ask.com/Health/Diseases/what_causes...
Fungus.
http://wiki.answers.com/Q/What+causes+tow+nails+to...
You more than likely have a bruise under the nails from dropping
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You may have accidently bruised it without even knowing. Or there could be a small infection. I would call the Dr and see if you would need to go in and get it checked out.
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Explore this Topic
The appearance of a purple toenail is most commonly caused by an injury to the toe. The blood shows up under the toenail causing it to look purple. When an large ...
Toenails will appear black when there is blood collected under the nail. This is usually caused by an injury to the toe or the toenail area. ...
Ill-fitting shoes, fungus, dropping an object on the toe and cutting the nail too short are the common causes of toenails turning black. Ill-fitting shoes rub ...
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