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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 psychedelic drug derived from ergot, known for its …

  2. LSD (Acid): Effects, Hazards & Extent of Use - Drugs.com

    LSD is synthetically made from lysergic acid, which is found in ergot, a fungus that grows on rye and other grains. It is so potent its doses tend to be in the microgram (mcg) range. It's effects, often …

  3. 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.

  4. LSD (Acid): Side Effects, Risks, and How It Affects the Brain

    Jun 10, 2025 · Learn about LSD, including its physical and mental effects, potential risks, and legal status. Understand how this hallucinogen affects the brain and body.

  5. LSD - Alcohol and Drug Foundation

    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 person …

  6. LSD: Effects, Risks, Tips, and More - Healthline

    May 27, 2020 · Lucy, acid, dots — whatever you want to call it, LSD is one of the most well-known hallucinogens. Here's a look at what it feels like, the risks involved, and how to stay safe if you …

  7. LSD | Definition, Psychological Effects, & Ergot Fungus ...

    Jul 8, 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.

  8. LSD Manufacturing: Process, Chemistry, and Risks

    May 23, 2025 · Explore how LSD is made, the chemical process involved, key ingredients, associated risks, and the ethical debate over its production and use.

  9. LSD & Brain Chemistry: Effects, Risks, & Potential Benefits

    Feb 26, 2025 · LSD impacts serotonin pathways, changing mood, perception, and cognition. Explore its neurological effects, risks, and possible therapeutic uses.

  10. Substance use - LSD: MedlinePlus Medical Encyclopedia

    LSD affects the action of a brain chemical called serotonin. Serotonin helps control behavior, mood, the senses, and thinking. LSD is in a class of drugs called hallucinogens. These are substances that …