Hallucinogenic drug and Psychoactive drug

Hallucinogenic drug noun - A psychoactive drug that induces hallucinations or altered sensory experiences.

Psychoactive drug and hallucinogenic drug are semantically related. In some cases you can use "Psychoactive drug" instead a noun phrase "Hallucinogenic drug".

Psychoactive drug noun - A drug that can produce mood changes and distorted perceptions.

Hallucinogenic drug and psychoactive drug are semantically related. Sometimes you can replace phrase "Hallucinogenic drug" with "Psychoactive drug", this phrases are similar.