ETYM Latin antidotum, Greek antidoton (sc. farmakon), from antidotos given against; anti against + didonai to give: cf. French antidote. Related to Dose.
Drug used to counteract a poison. For instance, acetylcysteine is an antidote to paracetamol and is administered to prevent liver damage following overdosage.
Stops or controls the effects of a poison; SYN. counterpoison.