Bringing Medicine Into Japan: Rules, Limits and Yakkan Shoumei

A calm, practical walk through Japan's personal-use medicine limits, the import certificate called yakkan shoumei, and how to pack your prescriptions with confidence.

Published October 20, 2026 at 3:11 PM JST | By Tokyo Paul

Quick answer: Travelers can usually bring personal medicine into Japan without paperwork if it stays within set limits: generally up to a one-month supply of prescription drugs and up to two months of most other medicines. Anything above those amounts needs an import certificate, often called yakkan shoumei, which must be obtained before you fly. Some medicines are controlled and need prior permission, so check first.

Packing medicine for Japan is one of those tasks that feels bigger than it is. Most visitors carry a small personal supply for a short trip, and Japan's rules were written with exactly that traveler in mind. The Ministry of Health, Labour and Welfare (MHLW) sets simple quantity limits, and a certificate system covers larger amounts. This guide explains the limits, what yakkan shoumei actually is, which products deserve a second look, and how to organize your bag so the airport step feels routine.

What are Japan's rules for bringing medicine?

Japan allows travelers to bring medicine for personal use as long as it stays within the published quantity limits. The MHLW describes these limits for individuals importing drugs, quasi-drugs, cosmetics and certain medical devices for their own use, and not for resale or sharing. Within the limits, no special certificate is needed. Beyond them, the traveler needs an import confirmation issued in advance.

The system exists so that visitors can manage their health while traveling and so that residents can safely order what they need. It also reflects the fact that some ingredients that are ordinary in one country are tightly controlled in another. That is why a short check before departure is worth the time, even when your medicine is common at home.

Because rules are updated from time to time, treat any article, this one included, as a friendly starting point. The MHLW pages and your nearest Japanese embassy or consulate are the final word, and they are listed at the end of this guide.

What quantity limits apply to personal medicine?

The limits depend on the type of product. Under the MHLW guidance, poisons, deadly poisons and prescription drugs can be brought in up to a one-month supply. Other drugs and quasi-drugs, which covers many over-the-counter products, are allowed up to a two-month supply.

External-use drugs such as ointments and eye drops, as long as they are not poisons or prescription items, are allowed up to 24 units per item. Cosmetics follow a similar idea: up to 24 per item, regardless of brand or color. Disposable contact lenses are allowed up to a two-month supply, and household medical devices such as an electric massager are limited to one set.

Injectable medicines and their syringes get their own rule. Up to a one-month supply is allowed, and only in the form of pre-filled syringes or self-injection kits. If your needs go beyond any of these lines, the next step is the import certificate rather than simply packing more.

What does yakkan shoumei mean?

Yakkan shoumei is the name many travelers and clinics use for the document that the MHLW officially calls an Import Confirmation, written in Japanese as yunyu kakunin-sho. Shoumei simply means certificate, and some embassy pages use both names side by side, which can be confusing at first.

In plain terms, it is a written approval from a regional Japanese health bureau that says you may bring a larger quantity of a given medicine for personal use. You show it to customs when you arrive. It is not a prescription, and it is not a health record. It is a permission slip for quantity.

You will see it described as a document you receive before leaving home. That timing matters because customs cannot create it for you at the airport.

When do you need a yakkan shoumei?

You need one when you plan to bring more than the allowed amount, or when your product falls into a category that is not covered by the standard limits. A person on a long study stay, a work assignment or an extended trip may therefore need one for ordinary prescription medicine, simply because a one-month supply will not last.

Travelers on short trips usually do not need one. A two-week holiday with a standard prescription falls comfortably inside the one-month limit, so the main job is packing the medicine properly and carrying supporting papers.

If you are unsure, it is better to ask early. The MHLW lists two regional bureaus that handle questions, and the one you contact depends on your arrival airport. Narita and Haneda are covered by the Kanto-Shinetsu bureau, while Kansai, Chubu Centrair and several other airports fall under the Kinki bureau.

How do you apply for the import certificate?

Applications are submitted to the relevant Regional Bureau of Health and Welfare before you travel, and the MHLW notes that some procedures can now be completed online. Processing takes time, so start well before your flight rather than the week of departure.

Expect to describe the medicine and the amount you plan to carry, and expect that supporting papers such as a prescription or doctor's letter may be requested. The MHLW refers applicants to a separate Q&A for importers that explains the details, and because requirements can change, read it before you start or write to the bureau for your arrival airport.

Once approved, print the certificate and keep it with your passport and the medicine. Customs officers may ask to see it at arrival, and having it ready keeps things smooth.

Which products need extra attention?

Some everyday products abroad contain ingredients that are restricted in Japan. Guidance published by a Japanese embassy page notes that certain cold and allergy products with pseudoephedrine, and products containing codeine, are not allowed. The practical habit is to read the ingredient list on each package before you pack and to compare it with the MHLW material.

The MHLW also says that products sold overseas with claims about boosting brain function or affecting mental state, and containing designated ingredients, are restricted unless used under a doctor's prescription or instruction. Self-medication during a stay is described as allowed. If a product has a stimulating or mood-related claim, it is worth a quick inquiry.

Prohibited and controlled drugs cannot be brought in under any circumstances without the proper permission. The key phrase to remember is that a medicine being legal and prescribed at home does not automatically mean it is allowed in.

What about narcotics and other controlled medicines?

Narcotics and stimulant raw materials are handled under stricter rules. The MHLW gives morphine and fentanyl as examples of narcotics and lisdexamfetamine as an example of a stimulant raw material. These cannot simply be carried in under the regular limits, and the MHLW explains that permission must be obtained from the regional bureau director in advance, for a specific patient.

Many treatments for pain, anxiety, sleep and attention conditions can fall into controlled categories, depending on the active ingredient. The Narcotics Control Department of the MHLW publishes lists and guidance, and it is the right place to check a specific product name. Allow generous lead time because these permissions are not instant.

If your medicine may be controlled, speak with your prescriber about a plan, and ask the bureau early. This is a matter of routine paperwork when done in advance, and it protects both your health and your trip.

How should you pack and carry medicine?

Keep medicine in its original, labeled packaging so the product name is clear. Carry it in your cabin bag rather than checked luggage, so it stays with you if a bag is delayed. Put only what you need in the bag, and keep the quantity within the limits for each product.

A short folder is a useful companion: a copy of your prescription, a letter from your doctor that lists each medicine by name along with the purpose, and a printed import certificate if you have one. Embassy guidance recommends carrying the prescription and a doctor's letter, and it is easy to do.

Medical devices for home use, such as a nebulizer or glucose meter, are generally fine in single sets. Carry the device manual or a doctor's note if the item is unusual, and check with your airline about any battery rules for medical equipment.

What if you run short during your trip?

Japan has a well-organized pharmacy and clinic network, and visitors can see a doctor if needed. Many neighborhood drugstores sell over-the-counter products, and pharmacists are generally happy to help when you show the package or the ingredient name. Your own medicine will not be an exact match, since brand names and strengths differ, so showing the generic ingredient is the most helpful approach.

For prescription-only medicine, a local clinic can advise on options after an examination, and an insurance policy for travelers can ease the cost. The Japan Visitor Hotline, run by the Japan National Tourism Organization, offers help in several languages around the clock for illness and emergencies.

Planning for a small buffer of medicine, within the limits, is a sensible habit. It means a delayed flight or an extra night away does not become a stressful event.

Frequently Asked Questions

Do travelers need a yakkan shoumei to bring prescription medicine to Japan?

Usually not for a short trip. Prescription medicine within a one-month supply can generally be carried in for personal use without a certificate. You would need an import certificate for larger amounts or special categories. Carry your prescription and a doctor's letter, and check current MHLW guidance before you travel.

Can travelers bring over-the-counter medicine to Japan?

Often yes, within limits. Most other drugs and quasi-drugs are allowed up to a two-month supply, and external-use products up to 24 units per item. Check the ingredient list, because some common cold and allergy ingredients are restricted, and keep the items in their original packaging.

How long does it take to get a yakkan shoumei?

The MHLW pages do not give a fixed processing time, so allow plenty of lead time. Apply well before your trip, and contact the regional bureau for your arrival airport if you have questions. The certificate must be in your hands before you leave home.

Keep Exploring

More guides from Tokyo Paul: Japanese Drugstores: What to Look For and How to Shop, Getting Help in Japan: Emergency Numbers and Clinics for Visitors and Travel Insurance for Japan: What Visitors Should Compare.