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Can LSD cause disturbing flashbacks?

Topics: Drugs  

Background

LSD flashbacks are a phenomenon where a previous hallucinogenic experiences are recalled vividly in a non-induced state.
 


Expert Opinions

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Psychiatrist
Evidence supports the association of LSD use with panic reactions, prolonged schizoaffective psychoses and post-hallucinogen perceptual disorder, the latter being present continually for as long as 5 years.     
01 Oct 1993   Source
Disagree
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Researcher
As an adverse effect of the use of LSD, research suggests that flashbacks have a very tenuous relationship with the chemical itself. Not only do most users claim not to have flashbacks, but also less than 10% of those who do report flashbacks report them as being unpleasant.     
01 Mar 1998   Source