Not yet medically reviewed, information on this site is in preparation and has not been verified by a medical reviewer.
Legality · Benzodiazepines

Is Benzodiazepines legal in Japan?

Confirmed against a primary sourceVerified June 25, 2026
Legal status
Controlled as psychotropics — import only if prescribed for the traveler, with advance permission for amounts above set limits
Consequences if caught
Non-prescribed possession or import → psychotropics offence; arrest and prosecution.
If prescribed or medical
Importable only if prescribed for you; advance permission from the Narcotics Control Department is required for larger amounts (apply at least 14 days before entry). Diazepam: no import certificate (Yunyu Kakunin-sho) needed under 1.2 g.
Documentation
Doctor's certificate stating the specific medical necessity ('personal use' is not accepted), a list of medicines with doses, original packaging, and declare at customs.
Primary source

Court records

We have not yet assessed whether court records are publicly available for this jurisdiction.

Benzodiazepines in related jurisdictions

Other substances confirmed in Japan