Overseas visitors must carry their passport at all times while in Japan. It is a legal requirement and you may be asked by the police when checking your identification.
Passports must be valid for the duration of the holder's stay in Japan. Visa exemptions are provided for citizens of 68 countries and regions. The length of stay for tourist visits are up to 90 days although some countries are limited to 15 or 30 days. For further details please contact the Japanese Embassy in your locality and/or visit the website of the Ministry of Foreign Affairs of Japan.
The use or possession of some prescription and over-the-counter medicines, which are common overseas, may be illegal in Japan. All laws banning their import and use are strictly enforced. Examples of prohibited items include Vicks inhalers, medicines for allergies and sinus problems, cold and flu medication containing Pseudoephedrine, and painkillers containing, for example, codeine. Ignorance might not be considered a defence and visitors infrigining Japanese law may be detained and/or deported. For further details please contact the Japanese Embassy in your locality and/or visit the website of the Ministry of Foreign Affairs of Japan.
One month's supply is normally permitted into Japan when travelling with prescription medication that is permitted under Japanese law. You’re advised to bring a copy of your prescription and a letter from your doctor stating the medical condition that the medication has been prescribed to treat.