
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 …
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.
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, …
LSD | Definition, Psychological Effects, & Ergot Fungus | Britannica
Nov 25, 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 …
LSD: What to Know - WebMD
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 …
LSD can induce a challenging experience, otherwise known as a “bad trip,” that is characterized by intense anxiety or panic, confusion, and combative behaviors. After an LSD trip, a user may …
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. …
Apr 5, 2023 · LSD was discovered in 1938 by Albert Hofmann, a Swiss chemist working at Sandoz Laboratories, who later became the first person to experience the drug’s psychoactive …
What Is LSD Drug? Effects, Dangers & Key Facts Explained
Sep 29, 2025 · LSD, or lysergic acid diethylamide, is a potent hallucinogenic drug known for its ability to drastically alter perception, mood, and thought. It is synthesized from lysergic acid, …
LSD - Alcohol and Drug Foundation
Key facts about LSD, its effects, and risks. Learn about its appearance, common forms, and impact on mental health. Knowledge to stay safe.