noun
hallucinogen; psychedelic drug
A substance that causes hallucinations. Often used in medical, legal, or drug-education contexts. The synonym 幻覚剤 is also common.
See also: 幻覚剤
幻覚薬の使用は法律で禁止されている。
The use of hallucinogens is prohibited by law.
He gave a lecture on the dangers of psychedelic drugs.