Lysergic acid diethylamide, commonly known as LSD (from German Lysergsäurediethylamid) and by the nicknames acid and lucy, is a semisynthetic hallucinogenic drug derived from ergot, known for its potent psychological effects and serotonergic activity. LSD taken orally has an onset of action of 0.4 to 1.0 hours and a duration of 7 to 12 hours. In recreational settings it is commonly administered via tabs of blotter paper. LSD is extremely potent, with noticeable effects at doses as low as 20 micr…