Permit RequiredNarcotic · Fentanyl

Is Fentanyl Legal in Japan?

Reviewed by Dr. Lo and Dr. Lee (PharmD)·Last updated

NCD permit required

Fentanyl (Duragesic) requires a Narcotics Control Department (NCD) import permit before travel to Japan. The permit application must be submitted at least 14 days before arrival, supported by a doctor's letter listing your diagnosis, dosage, and trip length. Without the permit, Fentanyl (Duragesic) is not allowed in Japan.

Japan status

Permit Required

Quantity threshold

Not applicable

Substance class

Narcotic

Why is Fentanyl controlled in Japan?

Fentanyl is a Schedule I narcotic under Japan's Narcotics and Psychotropics Control Law. Personal use is allowed with advance NCD permission.

How to apply for the NCD import permit

  1. 1Apply for the NCD import permit at least 14 days before your arrival date.
  2. 2Doctor's letter (dated within 3 months) must list: your full name, diagnosis, medical necessity, drug name, strength, daily dose, and the prescribing doctor's signature.
  3. 3Attach photos of original packaging showing drug name and strength.
  4. 4You must carry the import certificate with you and present it at customs — not in checked baggage.

Application form: Submit through the Japan Narcotics Control Department (NCD).

NCD import permit application

Frequently asked questions

Can I travel with a fentanyl patch to Japan?

Yes, with the NCD import permit. Bring unused patches in original sealed packaging and the patch you are currently wearing — disclose both on the permit application.

Related medications

Check your full travel kit

Fentanyl is just one medication — most travelers carry several. Our free checker reviews your entire prescription list against Japan’s import rules.

Check all my medications

Source: MHLW Narcotics Control Department — Controlled Substances List (12 Dec 2024). Page last reviewed 2026-05-31 by Dr. Lo and Dr. Lee (PharmD). Regulations change — verify with the MHLW Narcotics Control Department before travel. This page is for informational purposes and is not a substitute for advice from your prescribing physician or from a Japanese customs authority.