folk medicine; traditional remedy
Refers to remedies or treatments passed down among common people, often using herbs or household ingredients, distinct from modern pharmaceuticals.
祖母は風邪に効く民間薬をよく知っている。
My grandmother knows many folk remedies for colds.
この地域では、古くから伝わる民間薬が今も使われている。
In this region, traditional folk medicines handed down from long ago are still used today.