Could be: Your skin will protect itself where there is increased pressure by forming a corn/callus however sometimes things can get embedded within that forming. Thia can be dirt, can be a.Scab from friction or a wart (virus). Have the podiatrist check it and offer you relief and treatment options.
Answered 10/23/2017
5.5k views
Dried blood: The black dot is probably dried blood. See a podiatrist for treatment and suggestions to stop the toes from rubbing.
Answered 5/7/2015
5.5k views
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