antidote

n. 解毒剂,解药

Do you have any antidote for a snakebite?

你有治疗毒蛇咬伤的解毒药吗？

An antidote against poison, especially a confection formerly held to be an antidote to all poisons.

解毒药解除毒性的解毒剂，尤指用来对付一切毒药的解毒膏