alexipharmac

(no longer used, historical) Of or pertaining to an alexipharmac; also, acting as an alexipharmac by protecting against or warding off the ill effects of a harmful substance, especially a poison or venom; alexipharmic.

(no longer used, historical) A medical remedy for protecting the body, or an antidote, against a harmful substance, especially a poison or venom (specifically, that of a snake); an alexipharmic, an antidote.