Psychedelic drug The term "psychedelic" refers to a category of psychoactive substances that make profound alteration of notion, believed, psychological condition, and conduct. These involve classic psychedelics which include LSD, mescaline, psilocybin, DMT, ayahuasca, and peyote; dissociatives like ketamine, nitrous oxide, alcohol, and barbiturates; and stimulants like MDMA and metha... https://warde050oet3.wikijournalist.com/user