CHAP. XVIII. Of the Doses of Medicines.
1. ALtering Medicines if Temperate, are gi∣ven à ʒj. to two ounces: hot or cold in the first degree from a dram, to six drams: in the second degree,
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1. ALtering Medicines if Temperate, are gi∣ven à ʒj. to two ounces: hot or cold in the first degree from a dram, to six drams: in the second degree,
from half a dram to 4 drams: in the third digree, from a scruple to two drams: in the fourth degree, from half a scruple to a dram.
2. Purgers which are mild and gentle, from an ounce to six ounces: those which are mean, from half an ounce to two ounces: those which are strong, from a dram to two drams: the strongest, from half a scruple to half a dram, As Mezereon, Asarum, Colo∣cynthis, Aloes; but Black Hellebor, Esula, Scammony, are given à gr. x. ad xx. Ela∣terium, Euphorbium, a gr. iiij. ad viij. Crocus metallorum, Mercurius, Vitae à gr. j. ad iij. or iiij. if in very strong Bodies.
3. In respect of Form; the common Dose is that which is given to one man at a time; so Infusions, Decocti∣ons and Waters, are given from two ounces to six oun∣ces: Clysters are given a pint at a time to Men; a quarter of a pint to Children: Purg∣ing Lenitives, from one dram to two ounces: altering Ele∣ctuaries, from one dram to half an ounce: Elixirs, Li∣quors of Salts, and distilled Oyls, from five grains to a scruple: Altering Extracts, from a scruple to two drams: Magisteries, from a scruple to a dram: Purging Extracts, from half a scruple to two scruples: Purging Pills, from half a scruple to one dram: Troches, and Salts of Vegi∣tables, from half a scruple to half a dram, or something more: Syrups, from an ounce to three or four: Mineral Powders, Spirits, and Oyls, from two grains to twelve.
4. But here you are to note, that these, nor any other Rules, can be so absolutely general, but that there may be some exceptions, or par∣ticular observations, which are necessary to be known, not being comprehended, in them; so that notwithstand∣ing the limitation of these Doses, they must be propor∣tioned from hence, accord∣ing to the age and strength both of the Medicament and Patient, giving to Children such a quantity, as may be well considered with their Condition and Ability.