入藥

to use in medicine

to enter / to go into / to join / to become a member of / to confirm or agree with / abbr. for 入聲|入声[ru4 sheng1]

medicine / drug / substance used for a specific purpose (e.g. poisoning, explosion, fermenting) / CL:種|种[zhong3],服[fu4],味[wei4] / to poison