Propositiones de lithiasi tōn nephrōn

the duct of the urinary vessels. For in this way, stones in the bladder have often been excreted, or at least moved from their places: as is held in the book On the Diagnosis and Cure of Renal Affections and in Aetius in the frequently cited places. Before this is done, the part must be fomented with emollient agents, the body having first been well purged.

L.
Pharmaca medicines or other drugs are referred to the whole body, others look to the stone.

LI.
Lenient soothing, preparative, and purgative medicines look to the whole body.

LII.
Soothing agents, unless something prevents it, are aided by vomitories, On the Diagnosis and Cure of Renal Affections, book 6, On Popular Diseases. Also, clysters made from moderately laxative and fatty ingredients, so that the parts are relaxed at the same time, so that the stone descends more easily, Aetius, book 11, chapter 5.

LIII.
Preparatives are various for the variety of purpose and matter, such as syrup of two ingredients, of five roots, of Byzantium, simple vinegar-syrup with waters of saxifrage, betony, etc.

LIIII.
Evacuations should be made either through the stool or through sweat: by diuretics in no way. For the whole should never 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 hidden property: and those which lead the power of the medicine to the kidneys: to which we do not uselessly mix things that disperse flatulence.

LVI.
Breaking agents are those which can cut and cleanse, as are almost all bitter things, Galen, book 10, On the Composition of Medicines according to Place, chapter 1.