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The largest voluntary dose of LSD ever taken was 750,000ug (7,500 street doses) in 1994. The individual suffered from residual effects for some time, though evidence of permanent damage was insufficient. The largest accidental overdose was a user who had mistakenly injected 320,000ug of LSD under the false conception that it was methamphetamine. http://www.erowid.org/references/refs_view.php?ID=1389

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15y ago

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