Fomentation

Twenty leeches were ordered to be applied round the nose every two days; frequent emollient fomentations; the local vapour bath; general bathing; stimulating pedilavia; a strict regimen; vegetables, milk, white meats; demulcent or acidulated drinks; avoidance of exposure to the sun or to cold air; flannel waistcoat and trousers. This treatment, being strictly observed for two months, caused all the inflammatory symptoms to disappear, […]

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We have already spoken of the great utility of hot fomentation to the stomach and bowels, as a means of relieving intense suffering in any internal organ of the body, or in the extremities.

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Keeping bhūjra patra or banana leaf above the fourfold cloth is essential. Apart from their attributes to help in this chemical process, they prevent the fall of mercury from the paste through the cloth into the bottom of the pot of dolā yantra. If during fomentation mercury penetrates through the layer of paste then it will remain above the layer of leaf placed over the cloth, thus permitting the intended chemical action to continue.

Source: wiktionary

[…] I purged him with our Quintaeſſencia Solutiuo, eight dayes together, that being done I made him a fomentation, that cauſed him to ſweate well, and to ſpitte aboundaunce, […]

Source: wiktionary