Nutriment (16-20)

To deal with nature from without: plaster, anointing, salve, uncovering of whole or part, covering of whole or part, warming or cooling similarly, astriction, ulceration, biting,[*] grease; from within: some of the aforesaid, and in addition an obscure cause in part or whole, in some cases but not in all.

Secretions in accordance with nature, by the bowels, urine, sweat, sputum, mucus, womb, through hemorrhoid, wart, leprosy, tumour, carcinoma, from nostrils, lungs, bowels, seat, penis, in accordance with nature or contrary to nature. The peculiar differences in these things depend on differences in the individual, on times and on methods. All these things are one nature and not one. All these things are many natures and one nature.

Purging upward or downward, neither upward nor downward.

In nutriment purging excellent, in nutriment purging bad; bad or excellent according to circumstances.

Ulceration, burn-scab, blood, pus, lymph, leprosy, scurf, dandruff, scurvy, white leprosy, freckles, sometimes harm and sometimes help, and sometimes neither harm nor help.