Lysergic acid diethylamide, commonly known as LSD (from German Lysergsäure-diethylamid) and by the slang names acid and lucy, is a semisynthetic hallucinogenic drug derived from …

LSD (lysergic acid diethylamide), also called “acid,” is a type of synthetic and mind-altering substance (psychedelic). This belongs to a class of drugs called hallucinogens. When you take …

What is LSD? Lysergic acid diethylamide (LSD) is a potent hallucinogen that has a high potential for abuse and currently has no accepted medical use in treatment in the United States.

LSD (lysergic acid diethylamide), first synthesized in 1938, is an extremely potent hallucinogen. Hallucinations are when you see, hear, feel, taste, or smell something that seems real but is not.

LSD use among high school students is a particular concern. More than 8 percent of high school seniors in the United States used the drug at least once in their lifetime, and nearly 4 percent …

Oct 17, 2025 · LSD, potent synthetic hallucinogenic drug that can be derived from the ergot alkaloids of the fungus Claviceps purpurea. LSD is prepared by chemical synthesis in a …

What is LSD? LSD (lysergic acid diethylamide) is a psychedelic drug, which means it can affect all senses, altering a person’s thinking, sense of time and emotions. Psychedelics can cause a …