antitoxin; antivenin; antivenom
Medical term for a substance that neutralizes a specific toxin, often used in the context of snakebites or bacterial infections.
If bitten by a venomous snake, it is necessary to administer antivenom immediately.
This antitoxin is effective against tetanus bacteria.
tetanus antitoxin
Compound of 抗 (こう, 'anti-') and 毒素 (どくそ, 'toxin'). The term is a direct calque from Western medical terminology, likely introduced in the late 19th or early 20th century.