Lysergic acid diethylamide, commonly known as LSD (from German Lysergsäure-diethylamid) and by the slang names acid and lucy, is a semisynthetic hallucinogenic drug derived from …

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 (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 …

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.

May 27, 2020 · LSD — casually known as acid — is a powerful hallucinogenic drug made from lysergic acid, a fungus that grows on grains like rye. You might also hear it referred to as …

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 …

Jul 30, 2025 · LSD is generally considered to be less harmful than other substances like alcohol, heroin, and cocaine, and overdoses are rare. 3 However, as with many illicit substances, there …

May 4, 2024 · It is an illegal street drug that comes as a white powder or clear colorless liquid. It is available in powder, liquid, tablet, or capsule form. LSD is usually taken by mouth. Some …

Dec 31, 2024 · Today, LSD is categorized as a Schedule I drug under the Controlled Substances Act, as it has no currently accepted medical use in the U.S. and has a high potential for abuse. …

Sep 29, 2025 · Learn what the LSD drug is, its effects on the brain, health risks, and key facts. Understand dangers and how treatment can help with LSD-related issues.