Golden Seal (Hydrastis Canadensis). Golden Seal is a powerful and most valuable tonic. It is a valuable local remedy when used as a general injection in leucorrhea. Dose—Of the powder, from ten to thirty grains; of the tincture, from one-half to one fluid drachm; of the fluid extract, from ten to twenty drops; of the concentrated principle, Hydrastin, from two to three grains; of the muriate of hydrastia, from one-half to one grain.
American Colombo (Frasera Carolinensis). American Colombo is a simple tonic. Dose—Of the powdered root, from ten to fifteen grains; of the infusion one-half to one fluid ounce, three or four times a day; of the active principle, Fraserin, one to three grains.
Gold Thread (Coptis Trifolia). Gold Thread is a pure and powerful, bitter tonic, and is also efficacious as a wash for sore mouth or as a gargle. Dose—Of the decoction, from two to six fluid drachms; of the tincture, from one-half to two teaspoonfuls; of fluid extract, from ten to twenty drops.
Iron (Ferrum). Different preparations of iron are frequently prescribed by physicians. They are particularly valuable in anæmic conditions of the system. The following are a few of the preparations of this metal most generally used:
Iron by Hydrogen (Ferri Redactum). Dose—One to two grains.
Carbonate of Iron (Ferri Carbonas). Dose—One to three grains.