Often referred to as acid or lucy, LSD can cause mystical, spiritual, or religious experiences. [13][14] At higher doses, it primarily induces visual and auditory hallucinations. [15][16] LSD is not considered addictive, because it does not produce compulsive drug-seeking behavior.

LSD是药效最强的致幻剂之一：通常25微克的剂量（一粒Delysid丸的量）足够引起药理反应 [30] ，100微克以上会致幻， [21]。 有效剂量是每公斤体重0.003到0.001微克 [12]。

Lysergic acid diethylamide (also known as Lysergide, LSD-25, LSD, L, Lucy, and Acid) is a classical psychedelic substance of the lysergamide class. [2] It is perhaps the most researched and culturally influential psychedelic substance, as well as the prototypal lysergamide.

LSD (lysergic acid diethylamide), first synthesized in 1938, is an extremely potent hallucinogen. Hallucinations are when you see, hear, feel, taste, or smell something that seems real but is …

LSD (lysergic acid diethylamide) is an iconic psychedelic drug popularized by Timothy Leary and others as part of the 1960s counterculture movement. LSD is a synthetic psychedelic compound, unlike naturally-occurring psychedelic compounds like psilocybin and psilocin.

In human volunteers, 198 trials were made to determine the threshold dose for recognition of lysergic acid diethylamide (LSD-25) and the effect upon this of chlorpromazine and phenoxybenzamine.

2006年4月1日 · Lysergic acid diethylamide (LSD-25 Sandoz) given orally in single doses as low as 20 micrograms produces depersonalization, derealization, and increased imagery in "normal" individuals. Larger doses are required to produce the same effect in psychotic patients.

Therapy: Research suggests that LSD combined with therapy can be effective at reducing anxiety for people with a life-threatening illness, and for treating alcoholism, obsessive-compulsive disorder, and cluster headaches.

In the main, reports dealing with LSD as a therapeutic instrument, cover such aspects as the effect of LSD on memory, as a catalyst to ventilation and as an aid in the development of transference, particularly through the reduction of various areas of resistance.

LSD is the best known and most researched psychedelic. It is the standard against which all other psychedelics are compared. It is active at extremely low doses and is most commonly available on blotter or in liquid form. Since 2013, some blotter and liquid "acid" being sold in the Americas and Europe contains NBOMe compounds instead of LSD.