- 8A Geometry - Exposure to semantic concept network
- Acuity enhancement
- After images
- Analysis enhancement
- Auditory distortion
- Auditory enhancement
- Auditory hallucinations
- Autonomous entities
- Bodily control enhancement
- Colour enhancement
- Colour shifting
- Conceptual thinking
- Creativity enhancement
- Déjà vu
- Delusions
- Depth perception distortions
- Drifting
- Emotion enhancement
- External hallucinations
- Feelings of eternalism
- Feelings of interdependent opposites
- Feelings of self-design
- Geometry
- Immersion enhancement
- Increased heart rate
- Increased libido
- Internal hallucinations
- Laughter
- Magnification
- Memory suppression
- Multiple thought streams
- Muscle spasms
- Nausea
- Novelty enhancement
- Pattern recognition enhancement
- Personal bias suppression
- Personal meaning enhancement
- Personality regression
- Perspective alterations
- Perspective distortions
- Physical euphoria
- Pupil dilation
- Recursion
- Scenarios and plots
- Scenery slicing
- Settings, sceneries, and landscapes
- Simultaneous emotions
- Spirituality enhancement
- Spontaneous tactile sensations
- Stimulation
LSD
Aliases: lsd-25, acid, cid, lucy
Categories
Summary
LSD is a popular psychedelic with a relatively long history of use and research, and as such is known to be relatively safe despite its extremely high potency. It is the archetypical psychedelic to which all others are compared, and remains in popular usage.
Dose Information
Onset, Duration & After-effects
- Onset: 45-90 minutes
- Duration: 9-14 hours
- After-effects: 12-24 hours
Effects
- visual distortions
- a sense of childlike wonder
- brightening of colors
- racing thoughts
- hue shifts
- euphoria
- anxiety
- confusion
Helpful Links
Known Combinations
These combinations are considered extremely harmful and should always be avoided.
lithium: There is a large number of reports indicating a high seizure and psychosis risk from this combination.
There is considerable risk of physical harm when taking these combinations, they should be avoided where possible.
tramadol: Tramadol is well known to lower seizure threshold and psychedelics also cause occasional seizures.
These combinations are not usually physically harmful, but may produce undesirable effects.
amphetamines: Stimulants increase anxiety levels and the risk of thought loops which can lead to negative experiences
cannabis: Cannabis has an unexpectedly strong and somewhat unpredictable synergy with psychedelics.
cocaine: Stimulants increase anxiety levels and the risk of thought loops which can lead to negative experiences
Studies
- Agonistic activity of LSD and lisuride at cloned 5HT2A and 5HT2C receptors
- Alterations in responses to LSD in humans associated with chronic administration of tricyclic antidepressants, monoamine oxidase inhibitors or lithium...
- Chronic administration of serotonergic antidepressants attenuates the subjective effects of LSD in humans
- LSD toxicity: a suspected cause of death
- Influence of naloxone on the effects of LSD in monkeys.
- Coma, hyperthermia and bleeding associated with massive LSD overdose. A report of eight cases
- Ascorbic acid antagonizes the behavioural effects of LSD in cats
- Illicit use of LSD or psilocybin, but not MDMA or nonpsychedelic drugs, is associated with mystical experiences in a dose-dependent manner
- New Onset LSD Flashback Syndrome Triggered by the Initiation of SSRIs
- LSD and tryptamine effects on sleep/wakefulness and electrocorticogram patterns in intact cats
- Characterization of behavioral and endocrine effects of LSD on zebrafish
- Drug dreams in mescaline and LSD addiction
- Response of cluster headache to psilocybin and LSD
- LSD flashback syndrome exacerbated by selective serotonin reuptake inhibitor antidepressants in adolescents
- Metabolism of lysergic acid diethylamide (LSD) to 2-oxo-3-hydroxy LSD (O-H-LSD) in human liver microsomes and cryopreserved human hepatocytes
- LSD-induced entropic brain activity predicts subsequent personality change.