Alterative, vermifuge, sialogogue, purgative; it also increases the action of diuretics and diaphoretics. " It is employed in almost all animals in reducing and controlling acute inflammations, and appears especially serviceable in those affecting the serous membranes, as in pleurisy, common and puerperal peritonitis, iritis, and rheumatism." - Finlay Dun. In doses of 1 to 2 dr. [20 to 60 grains, Youatt], combined with, or followed by aloes, it is given to horses for worms; or from 10 to 20 gr. as an alterative, in skin diseases, grease, farcy, constitutional affections, etc. If too often repeated, it salivates. It does not agree with cattle (see Mercury), but is sometimes given, in doses of from 10 to 20 gr., in inflammation of the liver, and jaundice. Some writers mention much larger doses. On dogs it acts as a purgative, and often as an emetic, and it is very apt to salivate. The same applies to swine. Dose for dogs, 1 to 2 gr. [Never exceeding 3. - Youatt.] Many dogs are destroyed by calomel. Hogs require 3 to 5 gr. Poultry should not have more than a grain, in divided doses, in the day.