Jisho

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Noun
1. seirogan; beechwood extract popular as a herbal treatment for diarrhoea (diarrhea), etc.
Wikipedia definition
2. Seiroganis a pharmaceutical drug marketed in Japan, sold as a treatment of the digestive tract (especially as an antidiarrhoeal), whose main active ingredient is "wood creosote" (also wood-tar creosote, or beechwood creosote). The name is nominally a registered trademark of Taiko Pharmaceutical based in Suita, Osaka which is still the major market-share holder, but the enforceability of the tradename has been voided by the Supreme Court of Japan, which ruled seirogan to be a common generic name.
Read “Seirogan” on English Wikipedia
Read “正露丸” on Japanese Wikipedia
Read “Seirogan” on DBpedia
Other forms
征露丸 【せいろがん】

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