158 Concerning the Cure Quantity than any Simulating Quality; when therefore the Conftitution is not able to conquer fuch a Burthen, neither by Digeftion nor Expulfion, Cathartich are certainly neceffary to help away the Load, and efpecially if a Perfon hath been before eating to Excefs* BUT if this Evacuation be delayed till the Juices have received the peftilential Taint, the Humours are then rather to be depurated, than purged away by Cathar- tich, and it is certainly better to truft to the Strength of Nature, when Things are gone fo far, to do the Work her own Way : And whether or no the Blood is too much fufed, or (according to fome) coagulated,* purging Medicines are certainly to be a- voided j for in the firft Cafe they fur- ther agitate and fufe the Blood, befides the Hazard of breaking open fuch VeiTels as may not without great Difficulty be again clofed^ the fame Medicines are alfo hurt- ful in the Blood's Coagulation, becaule they evacuate only the ierous Parts, and leave the Remainder more vifcid and tenacious,* whereby Obftructions are rendred more perverfe and unconquerable, and the ftag- nant Matter without a Poffibiiity of Di- lution*
