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 (ăn′tē-vĕn′ĭn, ăn′tī-)
1. An antitoxin active against the venom of a snake, spider, or other venomous animal or insect.
2. An animal serum containing antivenins. It is used in medicine to treat poisoning caused by animal or insect venom.


(ˌæntɪˈvɛnɪn) or


(Pharmacology) an antitoxin that counteracts a specific venom, esp snake venom
[C19: from anti- + ven(om) + -in]


(ˌæn tiˈvɛn ɪn, ˌæn taɪ-)

also an•ti•ven•om

(-ˈvɛn əm)

an antitoxin that counteracts venom, as from snakebite, obtained from the serum of a large animal that has had a series of controlled venom injections: used for treating victims of venomous bites.


1. an antidote for venom, as snake venom, formed by gradually increased injection of the venom into the bloodstream.
2. the serum containing this antidote.
See also: Remedies
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.antivenin - an antitoxin that counteracts the effects of venom from the bite of a snake or insect or other animalantivenin - an antitoxin that counteracts the effects of venom from the bite of a snake or insect or other animal
antitoxin - an antibody that can neutralize a specific toxin

antivenin, antivenom

n antiveneno
References in periodicals archive ?
Researchers are investigating the current antivenoms used in Kenya and other African countries following reports that most of them are useless against snake bites.
These studies have revealed that immunoglobulin fragments can be used to purify anti-venom thereby delivering increased efficiency and tolerance to antivenoms.
With Williams' support, WHO has now launched a campaign to tackle the shortage of approved antivenoms by boosting their production and range of application while still ensuring the required standards.
Diverse manufacturing laboratories in the region produce either monospecific or polyspecific bothropic antivenoms (Gutierrez, Higashi, Wen, & Burnouf, 2007).
In addition to trying to develop better antivenoms for human victims, scientists are looking for individual components of venoms that could be used as painkillers, blood thinners or treatments for everything from epilepsy to erectile dysfunction.
Both brown and tiger snake antivenoms were administered to Mr X in the hours following his envenomation.
Antivenoms sold internationally conform to the World Health Organization's standards of pharmacopoeia.
Comparative study on the ability of IgG and Fab sheep antivenoms to neutralize local hemorrhage, edema and myonecrosis induced by Bothrops asper (terciopelo) snake venom.
In addition to vaccines, CSL has established businesses in plasma-driven therapies, pharmaceuticals, antivenoms and immunohemotology.
No potable water, no hospitals and not even antivenoms that are needed to treat people bitten by snakes found in Thar desert in large numbers.
Report of a WHO workshop on the standardization and control of antivenoms.