Comfrey powder: .01 oz in vial. "Knitbone is amazing. Many uses but it's overnight healing ability is worth it's weight in gold.
Creosote (fine crushed): .02 or .03 oz in small zip baggy. Many uses but hard to beat as a anti bacterial topical. Boil for 2 min. Soak infected area. Done. It grows all over where I am but nobody here knows what it can do but the natives.
Sawyer Extracter: Not much use with snake bites but it does have some effect on scorpion stings, another thing we have um here.
and most of the stuff mentioned above by others.