noun, noun which may take the genitive case particle 'no'
drug use
Refers to the consumption or administration of drugs, typically illicit or controlled substances, but can also include medication in context.
薬物使用が原因で逮捕された。
He was arrested for drug use.
薬物使用の防止キャンペーンが行われている。
A campaign to prevent drug use is being conducted.
薬物乱用 specifically means 'drug abuse', implying excessive or harmful use, while 薬物使用 is a more neutral term for 'drug use'.
Compound of 薬物 (yakubutsu, 'drug') and 使用 (shiyō, 'use').