0 an antiserum (= a substance made from blood) that contains antibodies (= proteins produced to fight disease) against a particular poison, especially one found in the bite of a snake, spider, or other animal: --
Their inventory includes 43 antivenins for an array of reptile, insect and spider bites.
Without the antivenin - drugs that neutralize toxins from venomous snakebites - patients will suffer more pain and illness, require a longer hospital stay and possibly need blood transfusions.
Made from sheep serum, the new antivenom is highly purified and is expected to reduce adverse reactions.
She was bitten twice by a rattlesnakes. Neither bite required antivenin, though both times her arm swelled and turned black and blue.