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CONFERENCE CXI. I. Of Antidotes. II. Which is most communicative, Good or Evil. (Book 111)
AS every thing hath its Contrary, so to Poisons there are [ I] Counter-poysons, call'd Antidotes, Alexipharmaca,* 1.1 or Alexiteria, of a middle nature between Medicaments and Poi∣sons, with which they must have some similitude, that they may joyn with and encounter them in the Body. Such is Vipers Flesh, which enters into the composition of Treacle, against that Animal's bitings; in which Antidote divers other Poisons are blended, which nevertheless being corrected one by another, they remain not only innocent, but serve to elude Poisons which attaque men by trechery, seeeming Friends to them, that they may destroy them, more certainly than the good Wife mention'd by Ausonius did, who having given her Husband Sublimate enough to kill him, and fearing 'twould fail of its effect, caus'd him to swallow down Quick-silver, which comming to be joyn'd to the Sublimate, quell'd the strength of it, and by this means sav'd the Man. Diseases arising from manifest qualities require contrary Remedies; as Plenitude, evacuation; a hot Distem∣per, cold Correctives: But when the imperceptible puncture or biting of a Scorpion makes the whole Body swell, or excites such other symptoms, then Remedies acting by first and second qua∣lities being found unprofitable, we must have recourse to Speci∣ficks, which act by an inexplicable Property of Substance, of which rank are our Antidotes.
The Second said, That Poisons and Antidotes, Medicaments and Aliments, are not call'd so absolutely, but as compar'd to the Natural Heat: For when subdu'd and turn'd into the Ani∣mals Substance, they are call'd Aliments; when Nature is alter'd by them, Medicaments; when destroy'd, Poisons; when pre∣serv'd from their malignity, Antidotes. Hence, according to the diversity of this heat, one same thing is food to one and poison to others: As Hemlock is eaten by Goats and Quails, Henbane and Mandrakes by Swine, Cantharides by Swallows, Flies and Spiders by Poultry and Birds, although the same be poison to Men; some of whom do receive no hurt by poisons, as 'tis reported of Mithridates, whose body was so prepar'd by his Antidote compos'd of Rue, Nuts, and Figs, that he could not kill himself by poison; of the Wench presented to Alexander who was fed with Napellus or Monks-hood; of the old Woman in Sextus Empiricus who swallow'd 30 drachms of Hemlock without harm; of Athenagoras the Argian who was not hurt by Scorpions, wherewith the Aethiopians dwelling neer the River