Prescripts of Diureticks that have Sal Nitre for their Basis.
TAke Nitre prepar'd, two Drams, Barley water with Grass Roots, and Candied Eringo Roots boil'd in it two pounds, Sy∣rup of Violets two Ounces: Mix them, the Dose is four Ounces twice a day.
Take Sal Prunella two Drams, Sugar-Candy a Dram, make a Powder to be divided into six parts: Let one be taken in a convenient Liquor thrice a day.
Take Sal Prunella two Drams, Salt of Amber a Dram: Make a Powder, the Dose is half a Dram thrice a day.
Take Sal Prunella, Crabs Eyes, Salt of Wormwood, of each two Drams: Mix them, the Dose is half a Dram thrice a day.
Its also well known that Powders of Shells, and of certain Stones, containing an Alchalisate, or Petrifying Salt sometimes promote an evacuation by Urine. For Powders of Egg-shells, of the Claws and Eyes of Crabs have been to some a present Remedy in great sup∣pressions of Urine; and if we enquire into their manner and way of working, we shall soon find that these Medicines do not fuse the Blood, nor sensibly precipitate it; wherefore it must be said that these things in a fourish Dicrasie of the Blood and Humours, some∣times prove Diuretick, inasmuch as closing with the Acid Salts, they bind them and keep them under; so that the Blood being free from fluxions and coagulations, drinks up again the extra∣vasated Serum, and conveys it to the Reins.