- 消毒药 xiāodúyào disinfectantdisinfectant; antiseptic; chemicals or medicine with germ-killing power
- 抗病毒药 kàngbìngdúyào antiviral medicineantiviral drugs used for treating viral infections
- 武大郎吃毒药 wǔdàlángchīdúyào [xiehouyu] to be stuck in a fatal dilemmaLiterally meaning "Wu Dalang drinks poison", a two-part allegorical saying where the second part is "die if you do, die if you don't"; used to describe a situation where one is doomed regardless of the choice made.
- 耐毒药 nàidúyào mithridate(literary) an ancient semi-mythical antidote or universal remedy against poison
- 解毒药 jiědúyào antidotemedicine used to counteract poison or detoxify the body