Propositiones de lithiasi tōn nephrōn

the duct of the urinary vessels. For thus stones have often been excreted in the bladder, or at least moved from their places: as is held in the book On the Diagnosis and Cure of Affections of the Kidneys and in Aetius in the often-cited places. Which, before it is done, the part must be fomented with emollients, the body having first been well purged.

L.
Some remedies or medicines refer to the whole body, others look to the stone.

LI.
Lenitives, preparatives, and purgatives look to the whole.

LII.
Lenitives, unless something prevents it, are aided by vomitories, On the Diagnosis and Cure of Affections of the Kidneys and On Diseases, book 6. Likewise clysters from moderately laxative and fatty things, so that the parts may be relaxed at the same time, so that the stone may descend more easily, Aetius, book 11, chapter 5.

LIII.
Preparatives are various according to the variety of the scope and material, such as syrups of the two referring to two specific ingredients, common in period pharmacology, of the five roots, of Byzantium, simple vinegar water with waters of saxifrage, betony, etc.

LIIII.
Evacuants should be made either through the stool or through sweat: by diuretics in no way. For the whole is never to be evacuated through the affected part when it can be evacuated through another region.

LV.
For the stone, those are required which break it either by their thinness or by an occult property: and those which lead the force of the medicine to the kidneys: with which we not unprofitably mix those things which disperse flatulence.

LVI.
Breaking medicines are those which are able to cut and cleanse, such as almost all bitter things, Galen, book 10, On the Composition of Medicines according to Genera original: "καθαρτικῶν", chapter 1.