antipoison

plural antipoisons

1. An antidote for a poison.

   In venemous natures something may be amiable: poisons afford antipoisons: nothing is totally, or altogether uselessly bad.

   1716, Thomas Browne, edited by Samuel Johnson, Christian Morals, 2nd edition, London: J. Payne, published 1756, Part I, p. 42

   1 more example

   1849, Golding Bird, “Lectures on Materia Medica,” Lecture III, “The Materia Medica of the 17th Century” in Medical Times, Volume 19, 2 June, 1849, p. 617, In consideration of the high value attached to some of the bezoars, it was very common for them to be adulterated—some good—some bad imitations,—for instance, the goa antipoison, the prescription for which in the first Pharmacopœia was—Hyacinth, jasper, sapphire, and topaz.