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Legality · Ketamine

Is Ketamine legal in Japan?

Confirmed against a primary sourceVerified July 13, 2026
Legal status
Classified as a narcotic (麻薬) under the Narcotics and Psychotropics Control Act (controlled since 2007), administered by the MHLW Narcotics Control Department.
Consequences if caught
Unauthorised possession or use of a narcotic is a criminal offence (imprisonment, typically up to about 7 years), with heavier penalties for trafficking; foreign prescriptions do not exempt.
If prescribed or medical
Available but tightly restricted — handled only through licensed narcotics handlers and medical use.
Documentation
Carry any prescription medicine in original packaging with your doctor's prescription and confirm with Japan's MHLW/NCD before travel. This substance is not specifically confirmed by a reachable source.
Primary sources
  • Narcotics and Psychotropics Control Act (麻薬及び向精神薬取締法)
  • ncd.mhlw.go.jp