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1. A remedy or other agent used to neutralize or counteract the effects of a poison.
2. An agent that relieves or counteracts: jogging as an antidote to nervous tension.
tr.v. an·ti·dot·ed, an·ti·dot·ing, an·ti·dotes
To relieve or counteract with an antidote: "Hallie's family life is laced with the poison of self-hatred, a poison that Sam has antidoted with love and understanding" (Christopher Swan).

[Middle English, from Latin antidotum, from Greek antidoton, from antididonai, antido-, to give as a remedy against : anti-, anti- + didonai, to give; see dō- in Indo-European roots.]

an′ti·dot′al (ăn′tĭ-dōt′l) adj.
an′ti·dot′al·ly adv.
Usage Note: Antidote may be followed by to, for, or against: an antidote to boredom; an antidote for snakebite; an antidote against inflation.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.antidotal - counteracting the effects of a poisonantidotal - counteracting the effects of a poison
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
If not known, this falsely elevated lactate level can lead to a misdiagnosis of lactate acidosis, can delay antidotal therapy and even justify inappropriate surgeries such as laparotomies [5].
Initial management should include correction of acidosis, inotropic support, and antidotal therapy with prepackaged cyanide antidote kits (inhaled amyl nitrite ampoule initially or intravenous sodium nitrate, 10 ml; followed by intravenous 25% sodium thiosulfate, 50 ml) or a combination of sodium thiosulfate and hydroxocobalamin (5g intravenously over 15 min.).
The morbidity and mortality with organophosphate poisoning is relatively high despite the use of atropine as specific antidotal therapy and oximes to reactivate acetylcholinesterase Several adjunct and alternative therapies have been explored in animal and human studies.