Opiates - Any medicine that contains opium, and has the quality of inducing sleep or repose; a narcotic - Opium, morphine, heroin - The treatment for heroin addiction is methadone.
Hallucinogen - a psychoactive drug that induces hallucinations; apparent sights, sounds or other sensual experiences that do not actually exist or do not exist for other people. Produces altered sensory experiences.
Opiates / Hallucinogens 