Screw that, village medicine is where it's at.
cool story incoming, brace yourselves:
When I was three at the refugee center, i jammed my index finger in a huge metal door. It didn't break, but the finger was almost black a few minutes after the incident. My mom took out the middle part of some white bread, chewed it into a paste and wrapped my finger in it. Once the saliva dried up the bread fell off and was almost black on the inside while the miscolouring on my finger was gone. I remember that shit.