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an agent that counteracts a poison. adj., adj antido´tal.
chemical antidote one that interacts with a poison and changes its chemical nature to form a harmless substance.
mechanical antidote one that prevents absorption of the poison.
physiologic antidote one that counteracts the effects of the poison by producing opposing effects.
universal antidote a mixture formerly recommended as an antidote when the exact poison is not known. There is, in fact, no known universal antidote. Activated charcoal is now being used for many poisons.
an agent that produces systemic effects contrary to those of a given poison.
Etymology: Gk, physis + logos + anti, against, dotos, that which is given
a drug that has the opposite effect on the body from that caused by a poisonous or toxic substance.
phys·i·o·log·ic an·ti·dote(fiz'ē-ŏ-loj'ik an'ti-dōt)
An agent that produces systemic effects contrary to those of a given poison.