No...: A potato is no help for a finger infection. The only situation where a potato might help is for treating a single small pimple near the surface of the skin. Doctors sometimes recommend putting a warm wet towel on such a pimple, to help it go away. Perhaps a warm, baked potato can substitute for the warm wet towel. As for a finger infection, a doctor should check (infection can spread to the hand).
Answered 6/17/2013
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