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  1. LSD - Wikipedia

    LSD is extremely potent, with noticeable effects at doses as low as 20 micrograms and is sometimes taken in even smaller amounts for microdosing. Despite widespread use, no fatal human overdoses …

  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. LSD Drug Information - Narconon

    While LSD can be a dangerous drug, and one that is mostly abused by young people, it may be an advantage that the signs are LSD abuse are so distinctive, as this makes them easier for parents or …

  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. Recent Decisions - LSD.Law

    Track law school admission waves and decisions in real-time. See when schools release acceptances, waitlists, and rejections across the current admissions cycle.

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

    Dec 31, 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 laboratory.

  7. LSD - Meaning, Effects & Facts | HISTORY

    Jun 14, 2017 · LSD, or lysergic acid diethylamide, is a hallucinogenic drug that was first synthesized a Swiss scientist in the 1930s. During the Cold War, the CIA conducted clandestine experiments with …

  8. 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.

  9. LSD Toxicity: Background, Pathophysiology and Etiology, Epidemiology

    Mar 25, 2025 · LSD causes changes in thought, mood, and perception, with minimal effects on memory and orientation. The drug primarily produces so-called pseudohallucinations, which are illusions …

  10. LSD Fast Facts - United States Department of Justice

    LSD (lysergic acid diethylamide) is a synthetic (man-made) drug that has been abused for its hallucinogenic properties since the 1960s. If consumed in a sufficiently large dose, LSD produces …