A psychedelic refers to a specific class of hallucinogenic drugs that lead to changes in consciousness. Colloquially called “trips,” the vast majority of psychedelic compounds bind to serotonin 2A receptors. Some of the most common symptoms associated with psychedelic trips include auditory changes, visual hallucinations, and changes in overall states of consciousness. Some of the most common examples of psychedelic compounds include DMT, psilocybin, LSD, and mescaline. Most psychedelic drugs are classified as lysergamides, phenethylamines, and tryptamines. All of them bind to serotonin 5 HT2A receptors, which influence the flow of serotonin throughout the central nervous system. Psychedelic experiences can vary significantly depending on the compound taken, the dose taken, and prior experiences of the individual.