Loratadine in Japan (the ingredient of Claritin): Claritin EX
Loratadine: how it is named on Japanese boxes, the product in this database that contains it, how its dose compares with US labels, and the rules for bringing it into Japan and taking it home. On 3 October 2026, PMDA's search of OTC package inserts returned 8 products containing loratadine.
What it is called on Japanese boxes
How loratadine is written on Japanese boxes, with the official English name from the JAN database or the Japanese Pharmacopoeia.
| Official English name | Name on Japanese boxes | Listed in |
|---|---|---|
| Loratadine | ロラタジン | JAN |
Loratadine in Japanese products
The amount of loratadine per dose and per day, as each package insert sets it.
On 3 October 2026, PMDA's search of OTC package inserts returned 8 products containing loratadine.
| Product | Amount | Most a day for adults | Class on the box |
|---|---|---|---|
| Claritin EX | 10 mg per dose of 1 tablet | 10 mg (1 dose a day) | 第2類医薬品 |
Each package insert sets its own dose. Follow the directions and dosage on the box you buy.
Japanese doses and US labels
US doses come from the OTC labels on DailyMed.
| Product | Where | Amount | Most a day for adults |
|---|---|---|---|
| Claritin EX | Japan, package insert | 10 mg per dose of 1 tablet | 10 mg (1 dose a day) |
| Claritin 24 Hour tablets | US, OTC label | 10 mg per tablet | 10 mg (1 tablet in 24 hours) |
Follow the directions and dosage exactly.That is the wording of the Japanese package inserts. The table lines up what each product's own directions say; it is not a guide to how much to take.
The directions on the US labels, as printed
Bringing it into Japan
Medicine with loratadine that you bring for your own use counts towards Japan's supply limits for medicine.
Taking it home
Frequently asked questions
Is loratadine sold over the counter in Japan?
On 3 October 2026, PMDA's search of OTC package inserts returned 8 products containing loratadine. In this database: Claritin EX.
How much Loratadine is in Claritin EX?
10 mg per dose of 1 tablet, and at most 10 mg (1 dose a day) by its package insert.
How does Claritin EX compare with Claritin 24 Hour tablets?
Claritin EX: 10 mg per dose of 1 tablet, at most 10 mg (1 dose a day) (Japanese package insert). Claritin 24 Hour tablets: 10 mg per tablet, at most 10 mg (1 tablet in 24 hours) (US label). Each product's directions apply only to that product.
Related items
PMDA package insert search (Japanese)
Sources for this page
- PMDA (Pharmaceuticals and Medical Devices Agency) OTC and guidance-required drug package insert search (一般用医薬品・要指導医薬品 添付文書等情報検索)checked October 3, 2026
- National Institute of Health Sciences Japanese Accepted Names for Pharmaceuticals (JAN) databasechecked October 3, 2026
- PMDA (Pharmaceuticals and Medical Devices Agency) クラリチンEX: package insert (添付文書)checked October 3, 2026
- DailyMed (US National Library of Medicine) Claritin: Claritin 24 Hour tablets labelchecked October 3, 2026
Compiled by Japan Japan !! · Updated October 3, 2026