LSD

LSD lysergic acid diethylamide.

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LSD (ls-d)

n.

Lysergic acid diethylamide; a crystalline compound derived from lysergic acid and used as a powerful hallucinogenic drug. Also called acid, lysergide.

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LSD,

abbreviation for lysergic acid diethylamide. See lysergide.

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LSD

a hallucinogenic compound (lysergic acid diethylamide), derived from lysergic acid, a constituent of ergot alkaloids; called also lysergide.

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LSD

d-Lysergic acid diethylamide A synthetic indole amine with hallucinogenic activity derived from ergot alkaloids, which produces mood elevations, sensory distortion, panic attacks, flashbacks Route Oral Dose LSD is 3000– to 5000-fold more potent that mescaline; in adults, 100-150 µg is enough for a 'trip' Clinical-psychomimetic effects Spatial and temporal distortion–hallucinogenic, illusions, animation, hyperacusis and background amplification, distortion of body image, sensory hallucinations with hearing of smells and sights, smelling of images and sounds, seeing smells and sounds, etc Sympathetic & parasympathetic effects Dilated pupils, ↑ heart rate, ↑ temperature, ↑ salivation, ↑ lacrimation, ↑ sweating, N&V, loss of appetite, sleeplessness, dry mouth, tremors Diagnosis Physical exam, laboratory methods: GC-MS–quantitative, HPLC, RIA–qualitative, TLC Adverse effects Bad trips with fear of insanity, depersonalization, panic attacks, flashbacks, which may occur 5-10 x/day, up to 18 months after last use of LSD. See Designer drugs, Hallucinogens, 'Ice.'.