# Taiko Pharmaceutical 正露丸 100粒

- Name: Seirogan / 正露丸 / 大幸药品 正露丸 100粒
- Brand: Taiko Pharmaceutical / 大幸薬品
- Category: OTC Medicines & Health Goods
- Page: https://bestjapanbuy.com/en/p/taiko-seirogan-100/
- Updated: 2026-10-23

As of 2026-10-23, the lowest online price on Kakaku.com is JP¥1,093 (incl. tax); of the 21 destinations we check, it is restricted in all 21.

A century-old antidiarrheal with the bugle logo; main ingredient is wood creosote. Class 2 OTC drug; the Japanese package insert lists loose stools, diarrhea, and diarrhea caused by food poisoning, among others. It has a strong smell; a sugar-coated version is also sold.

- Good for: People who want antidiarrheal medicine for travel
- Not for: People who can't stand strong odors (see the sugar-coated Seirogan Toi A)

## Price in Japan

- Japan reference price incl. tax (Lowest online price, shipping not included): JP¥1,093
- Tax-free / after refund: JP¥994
- Flights: OK on the plane

## Taking it home (by destination)

| Destination | Result | Notes |
| --- | --- | --- |
| Mainland China | △ Restricted | Medicines: reasonable amounts for personal use only; keep the original packaging and leaflet |
| Hong Kong | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| Macao | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| Taiwan | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| Singapore | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| South Korea | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| United States | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| Thailand | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| Malaysia | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| Philippines | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| Vietnam | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| Indonesia | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| India | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| Australia | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| New Zealand | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| Canada | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| United Kingdom | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| Germany | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| France | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| Italy | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |
| Spain | △ Restricted | Medicines: rules on quantities and ingredients differ by country. Bring only a reasonable personal supply and keep the leaflet and original packaging. |

## Specs

| Item | Value |
| --- | --- |
| Brand | Taiko Pharmaceutical / 大幸薬品 |
| Model | 正露丸 100粒 |
| Type | Stomach / digestive |
| Japanese drug classification | Class 2 OTC drug (第2類医薬品) |
| Contains ephedrine-type / codeine-type ingredients (per ingredient list) | No |
| Volume / count | 100 pills |
| Main ingredients (per package) | Wood creosote, phellodendron bark powder, etc. (5 crude drugs) |

## Reviews

TBD

## Frequently asked questions

### Can I take Taiko Pharmaceutical 正露丸 100粒 home from Japan?

Of the 21 destinations we check, it is restricted in all 21.

### How much is the Taiko Pharmaceutical 正露丸 100粒 in Japan tax-free?

As of 2026-10-23, the lowest online price on Kakaku.com is JP¥1,093 including tax. Tax-free or after the refund it is JP¥994. It costs less than JP¥5,000 (excl. tax) on its own, so you need to combine purchases at one store on one day to buy tax-free. From Nov 1, 2026, you pay the tax-included price in store and get the tax refunded when you leave Japan (a fee may apply).

### Where can I buy the Taiko Pharmaceutical 正露丸 100粒 in Japan?

Sold at drugstores and pharmacies in Japan. The price we list is from Kakaku.com (2026-10-23); prices in store may differ.


## Sources

- Specs: [Taiko Pharmaceutical official site](https://www.seirogan.co.jp/seirogan/products/seirogan/)
- Japan price: [Kakaku.com](https://kakaku.com/medicine-item/K0000545957/) (2026-10-23)

> Data from BestJapanBuy (bestjapanbuy.com). Please credit and link to the page when using it. Prices are for reference only; check in store.
> Translated with AI; the Chinese version is authoritative.