About 2,430,000 results
Open links in new tab
  1. LSD - Wikipedia

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

  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, …

  3. 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 …

  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. Side Effects of LSD: Short & Long-Term Health Effects of LSD (Acid)

    Jul 30, 2025 · Despite the lack of evidence supporting a classic picture of physiologic dependence and addiction development with LSD misuse, people can still be profoundly and negatively …

  6. LSD Manufacturing: Process, Chemistry, and Risks

    May 23, 2025 · Lysergic acid diethylamide (LSD) is one of the most potent psychedelic substances known, capable of producing profound changes in perception and consciousness. …

  7. 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 …

  8. LSD vs Acid: Understanding the Differences - Nova Recovery Center

    Jun 10, 2025 · Explore the differences between LSD vs acid. Discover their effects, risks, and the common names associated with them.

  9. LSD (acid) Abuse, Signs, Withdrawal, and Recovery

    LSD (lysergic acid diethylamide) is a synthetic hallucinogen derived from a fungus that grows on rye and other grains. It is classified as a Schedule I controlled substance, meaning it has no …

  10. Substance use - LSD: MedlinePlus Medical Encyclopedia

    May 4, 2024 · 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. …