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Effects of drugs on driving , Hallucinogens

المؤلف:  Sue Jickells , Adam Negrusz (Editors)

المصدر:  Clarkes Analytical Forensic Toxicology

الجزء والصفحة:  p304-305

2026-10-26

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Effects of drugs on driving

Hallucinogens

Drugs with hallucinogenic properties have an obvious deleterious effect on driving. Inability to distinguish illusion from reality results in poor decision-making and consequently poorer driving. Drugs such as psilocibe mushrooms, mescaline, lysergide (LSD), ketamine and PCP can produce fully formed hallucinations, seeing objects, shapes or individuals that are not present, synaesthesias or blending of sensory information such as ‘seeing’ sounds, or ‘hearing’ colours. Ketamine and its psychomotor effects on driving have been evaluated (Mozayani 2002). Many other drugs can produce milder hallucinations, including, as noted earlier, cannabis and stimulants. Methylenedioxy-substituted amfetamines, such as MDMA, methylenedioxyamfetamine (MDA) or methylenedioxyethamfetamine (MDEA) can also produce hallucinations, particularly tactile ones that enhance sensitivity to touch. However, the predominant impairing effects of that class of compounds appear more related to their excitatory and stimulant properties.