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Very strong ones, however, are by no means to be given or continued, Galen, book 6, On Preserving Health, chapter 11, ordering that we do not by chance increase the hot intemperies imbalance of humors of the kidneys.
We shall use thinning agents (especially in the obese, who have narrower veins) and cutting agents without great heat, as Galen teaches in book 5, On the Faculties of Simple Medicines, chapter 12.
Furthermore, tepid water can be offered comfortably before eating. For this renders the kidneys empty of excrement and corrects their intemperies.
If a cold intemperies of the stomach or a hot one of the liver is present, or some other συνάιτιον concausation/contributing cause, contrary intemperies must be introduced, and other things that foster the disease must first be removed diligently and cautiously.
->Προφυλακτικὴ Prophylactic/Preventative Medicine.-<
The prophylactic preventative method will consist in four things especially. For in the correct instituted administration of the non-natural things in general, we shall studiously avoid everything that can increase the matter of the stone or the heat of the kidneys, such as thick, salty, and hot foods.
We shall lead the generated thick humors down to the intestines with purgatives, lest they chance to be carried to the kidneys.
If the same perchance stick in the kidneys, we shall expel them with diuretics, lest in the progress of time they turn to stone in them. Where a wealth of blood is present, it must be evacuated through repeated opening of a vein.