You can use dawn soap and water to draw out infection, then run lukewarm water over, then use potato skins, placing white part over infection till you cannot stand it anymore. skin will turn dark. Then run lukewarm water over to clean. Then let dry a bit. Then take vitamin e gel caplets. Poke with a clean knife and put gel on sore, skin to heal faster. Only press lightly with potato. Try not to cause any bleeding.