570. Tonic
Mix one drachm of powdered rhubarb with the same quantity of dried carbonate of soda, then add two drachms of powdered calumba root.
Dose
, from ten to twenty grains as a tonic after fevers, in all cases of debility, and dyspepsia attended with acidity.
571. Rhubarb and Magnesia
Mix one drachm of powdered rhubarb with two drachms of carbonate of magnesia, and half a drachm of ginger.
Dose
, from fifteen grains to one drachm. Use as a purgative for children.