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 human overdoses have been documented.
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 to hallucinate, seeing or hearing things that do not exist or are distorted. 1,2
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 decide to ...
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 cause hallucinations.