正せい露ろ丸がん

noun

Seirogan; herbal diarrhea medicine

A well-known Japanese over-the-counter herbal pill made from beechwood extract, traditionally used for diarrhea, stomachache, and digestive issues. The name is a proper noun but often used generically.

• お腹なかが痛いたいときは正せい露ろ丸がんを飲のみます。