Cinchona. Much has been written about cinchona and its alkaloids, but, as a practical matter of fact, quinine does nearly everything done by cinchona. In the indications in small doses some distinctions of minor importance might be mentioned. Quinine is undoubtedly the agent to destroy the malarial plasmodium, but in debility from exhausting discharges and in atonic indigestion and nocturnal sweating it is thought that cinchona is preferable. Give I to 10 gr. doses of the powdered bark in capsules. The fluid preparations are so hard to make up nicely, unless one uses considerable alcohol as a solvent, that they are unsatisfactory except when the dose is very small. The homeopaths call it "China," and use small doses in practically all diseases marked by periodicity, and in feebleness from loss of blood, muscular relaxation, asthenic pneumonia, threatened abortion, hematuria, erysipelas, and vertigo. See Quinine.