which category of drugs does lsd belong to?
Lysergic Acid Diethylamide (LSD) Lysergic acid diethylamide (LSD), also known as acid, belongs to a class of drugs known as hallucinogens, which distort perceptions of reality. LSD is the most potent mood- and perception-altering drug known: doses as small as 30 micrograms can produce effects lasting six to 12 hours.