Translation guide
A synthetic substance created to mimic the effects of existing illegal drugs while circumventing drug laws. In Japanese, the most common term is 脱法ドラッグ, but legal and media contexts may use other expressions.
Referring to synthetic drugs that are chemically modified to avoid legal restrictions, often sold as 'legal highs'.
Referring to designer drugs in laws, regulations, or formal documents.
Do not translate 'designer drug' literally as デザイナーの薬 (designer's medicine). This would be confusing and unnatural. Use the established terms above.
脱法ドラッグ emphasizes the legal loophole aspect, while 危険ドラッグ emphasizes the danger. Media often use 危険ドラッグ to discourage use. In casual conversation, 脱法ドラッグ is more neutral and common.
The most common and widely understood term for designer drugs. Literally 'law-evading drug'. Used in news and everyday conversation.
脱法ドラッグの使用が若者の間で広がっている。
The use of designer drugs is spreading among young people.
Direct loanword from English. Used in technical or medical contexts, but less common in everyday speech than 脱法ドラッグ.
デザイナードラッグの化学構造は規制を逃れるために設計されている。
The chemical structure of designer drugs is designed to evade regulations.
Literally 'dangerous drug'. Often used in official warnings and media campaigns to emphasize the risks. May refer to a broader category including synthetic cannabinoids and cathinones.
危険ドラッグによる健康被害が報告されている。
Health damage caused by dangerous drugs has been reported.
Literally 'legal drug'. Used to describe substances that are not yet controlled, but this term can be misleading as they are often later banned. Less common now due to stricter laws.
合法ドラッグと称して販売されていたが、実際は危険な成分が含まれていた。
It was sold as a legal drug, but actually contained dangerous ingredients.
Legal term for 'designated substances' under the Pharmaceutical and Medical Device Act. Used when a specific drug is officially controlled.
この成分は新たに指定薬物に追加された。
This ingredient has been newly added to the list of designated substances.
General term for 'controlled substances'. Broader than 指定薬物, covering all drugs under regulation.
規制薬物の密売が摘発された。
Illegal sales of controlled substances were uncovered.