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.
He was arrested for drug use.
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').