How to say "drug" in Japanese
- nounThe loanword from English; it is heard mainly for drugs in the sense of narcotics and other substances taken for their effects, and is seldom the word for ordinary medicine.
- 薬物やくぶつnounThe neutral, general word for a drug as a substance; this is what you hear in medical, scientific and legal discussion, and it also covers drugs of abuse.
- 薬剤やくざいnounA technical term for a medicine or medicinal agent; it belongs to pharmaceutical and scientific writing rather than everyday talk about taking a drug.
- 薬品やくひんnounMedicine thought of as a product or chemical preparation rather than as a substance; this is the word for medicines you buy and use, and it also covers chemical products generally.
- 麻薬まやくnounSpecifically narcotics: habit-forming, legally controlled drugs. This is the word of law-enforcement and news reporting about illegal drugs, and it is not used for ordinary medicine.
For medicine, choose 薬品 or the more technical 薬剤; for a drug as a substance, including drugs of abuse, use 薬物; 「ドラッグ」 is the loanword for such drugs, and 麻薬 means narcotics specifically.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
This browser can't play pronunciations (needs Safari 18.4 or later, or Chrome / Edge / Firefox).


