Phencyclidine (PCP) is a mind-altering drug that may lead to hallucinations (a profound distortion in a person’s perception of reality). It is considered a dissociative drug, leading to a distortion of sights, colors, sounds, self, and one’s environment. PCP was developed in the 1950s as an intravenous anesthetic, but due to the serious neurotoxic side effects, its development for human medical us