If you take prescription or over-the-counter medication, plan ahead before coming to Japan. A medication legally prescribed or sold in your home country may be restricted or prohibited in Japan. A prescription from a doctor outside Japan does not, by itself, authorize you to bring that medication into the country. It is important to plan for your entire stay - not just your arrival. You need to understand both what you may bring and how you will continue treatment after your initial supply runs out.
Start Planning Several Months Before Traveling
Work with your healthcare provider to:
- Identify the active ingredients, strength, dosage, and quantity of every medication you plan to bring.
- Check whether each medication is permitted in Japan and whether advance approval or supporting documentation is required.
- Prepare a copy of your prescription and a letter from your healthcare provider identifying the medication and explaining its medical purpose.
- Make a plan for continuing treatment in Japan, including alternatives if your current medication is unavailable.
- Obtain copies of your prescriptions and any required medical letters.
Keep medication in its original, correctly labeled packaging. Allow sufficient time for any applications; approval is not guaranteed.
How Much Medication Can I Bring?
For many prescription medications, you may generally bring up to a one-month supply for personal use without an Import Confirmation (Yunyu Kakunin-sho). Larger quantities generally require an Import Confirmation obtained before departure.
This allowance does not apply to every medication. Controlled medications have separate requirements, and some substances are prohibited regardless of quantity.
Check the Ministry of Health, Labour and Welfare’s medication import guidance New Tab for current requirements and access to the online application system.
ADHD (Stimulant), Psychiatric, and Other Controlled Medications
Requirements depend on the medication’s active ingredient, legal classification, quantity, and formulation. Depending on these factors, medication may require advance permission or medical documentation, or may be prohibited.
For example, Adderall cannot be brought into Japan, nor is it available in Japan, even with a prescription. Other ADHD and psychiatric medications have different requirements.
Review the Narcotics Control Department’s guidance New Tab , including its controlled-substance lists, prohibited substances, application procedures, and contact information. Check whether permission is also needed to leave Japan with any remaining medication.