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  1. LSD - Wikipedia

    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 …

  2. LSD: What to Know - WebMD

    Jun 10, 2025 · 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 …

  3. Recent Law School Decisions & Admission Waves - LSD

    Mar 31, 2026 · Our law school decision tracker helps you understand what's happening across the admissions landscape in real-time. Law schools release decisions in waves—groups of applicants …

  4. LSD - DEA.gov

    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.

  5. LSD | Definition, Psychological Effects, & Ergot Fungus | Britannica

    Mar 23, 2026 · 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 laboratory.

  6. The Pharmacology of Lysergic Acid Diethylamide: A Review

    Lysergic acid diethylamide (LSD) was synthesized in 1938 and its psychoactive effects discovered in 1943.

  7. LSD Throughout Time – The Diversity of Drugs: History, Effects, and ...

    LSD effects are typically felt about 30 minutes after consumption and last 8-12 hours. People who consume LSD can experience euphoria, irregular or fast heart rate, and visual and auditory …

  8. Lysergic acid diethylamide (LSD), commonly referred to as “acid,” is a synthetic hallucinogen. LSD is very potent; only microgram amounts are required to produce overt hallucinations. LSD has been …

  9. LSD - Get Smart About Drugs

    Mar 17, 2025 · LSD What is it? Very strong hallucinogen sold on streets that is odorless and colorless with high potential for misuse.

  10. What is LSD (Acid): History, Classification & Effects | Leafly

    May 9, 2024 · Are LSD and acid the same drug? Learn about the history, forms, effects and drug classification of LSD with Leafly.