Healthcare & medicine
Can I bring more than one month's supply of medicine into Japan?
Yes, but quantities above Japan's simplified personal-import allowance require an Import Confirmation unless another controlled-substance rule applies. Prescription drugs are generally exempt from Import Confirmation only up to a one-month supply.
VerifiedExact primary sourceLast checked: 18 Aug 2026
What you need to know
Requirements & exceptions
- Prescription drugs: generally up to 1 month's supply without Import Confirmation.
- Other ordinary drugs/quasi-drugs: generally up to 2 months' supply without Import Confirmation.
- Controlled substances have separate rules and can require NCD permission or be prohibited regardless of quantity.
- For amounts over the ordinary allowance, obtain an Import Confirmation before travel.
Documents
- Passport/ID
- Insurance information if applicable
- Prescription/medical certificate
- Import Confirmation or NCD permit if required
Likely cost
No standard customs fee for lawful personal-use quantities, but medical certificates, translations, Import Confirmation/NCD documentation and replacement medicines may create costs.
Where to act
MHLW / Regional Bureau of Health and Welfare for Import Confirmation; Narcotics Control Department separately for controlled substances.